package net.miginfocom.layout;
import java.util.*;
/*
* License (BSD):
* ==============
*
* Copyright (c) 2004, Mikael Grev, MiG InfoCom AB. (miglayout (at) miginfocom (dot) com)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
* Neither the name of the MiG InfoCom AB nor the names of its contributors may be
* used to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* @version 1.0
* @author Mikael Grev, MiG InfoCom AB
* Date: 2006-sep-08
*/
/**
* Holds components in a grid. Does most of the logic behind the layout manager.
*/
public final class Grid {
public static final boolean TEST_GAPS = true;
private static final Float[] GROW_100 = new Float[] { ResizeConstraint.WEIGHT_100 };
private static final DimConstraint DOCK_DIM_CONSTRAINT = new DimConstraint();
static {
DOCK_DIM_CONSTRAINT.setGrowPriority(0);
}
/**
* This is the maximum grid position for "normal" components. Docking
* components use the space out to <code>MAX_DOCK_GRID</code> and below 0.
*/
private static final int MAX_GRID = 30000;
/**
* Docking components will use the grid coordinates
* <code>-MAX_DOCK_GRID -> 0</code> and
* <code>MAX_GRID -> MAX_DOCK_GRID</code>.
*/
private static final int MAX_DOCK_GRID = 32767;
/**
* A constraint used for gaps.
*/
private static final ResizeConstraint GAP_RC_CONST = new ResizeConstraint(
200, ResizeConstraint.WEIGHT_100, 50, null);
private static final ResizeConstraint GAP_RC_CONST_PUSH = new ResizeConstraint(
200, ResizeConstraint.WEIGHT_100, 50, ResizeConstraint.WEIGHT_100);
/**
* The constraints. Never <code>null</code>.
*/
private final LC lc;
/**
* The parent that is layout out and this grid is done for. Never
* <code>null</code>.
*/
private final ContainerWrapper container;
/**
* An x, y array implemented as a sparse array to accommodate for any grid
* size without wasting memory (or rather 15 bit (0-MAX_GRID * 0-MAX_GRID).
*/
private final LinkedHashMap<Integer, Cell> grid = new LinkedHashMap<Integer, Cell>(); // [(y
// <<
// 16)
// +
// x]
// ->
// Cell.
// null
// key
// for
// absolute
// positioned
// compwraps
private HashMap<Integer, BoundSize> wrapGapMap = null; // Row or Column
// index depending
// in the dimension
// that "wraps".
// Normally row
// indexes but may
// be column indexes
// if "flowy". 0
// means before
// first row/col.
/**
* The size of the grid. Row count and column count.
*/
private final TreeSet<Integer> rowIndexes = new TreeSet<Integer>(),
colIndexes = new TreeSet<Integer>();
/**
* The row and column specifications.
*/
private final AC rowConstr, colConstr;
/**
* The in the constructor calculated min/pref/max sizes of the rows and
* columns.
*/
private FlowSizeSpec colFlowSpecs = null, rowFlowSpecs = null;
/**
* Components that are connections in one dimension (such as baseline
* alignment for instance) are grouped together and stored here. One for
* each row/column.
*/
private final ArrayList<LinkedDimGroup>[] colGroupLists, rowGroupLists; // [(start)row/col
// number]
/**
* The in the constructor calculated min/pref/max size of the whole grid.
*/
private int[] width = null, height = null;
/**
* If debug is on contains the bounds for things to paint when calling
* {@link ContainerWrapper#paintDebugCell(int, int, int, int)}
*/
private ArrayList<int[]> debugRects = null; // [x, y, width, height]
/**
* If any of the absolute coordinates for component bounds has links the
* name of the target is in this Set. Since it requires some memory and
* computations this is checked at the creation so that the link information
* is only created if needed later.
* <p>
* The boolean is true for groups id:s and null for normal id:s.
*/
private HashMap<String, Boolean> linkTargetIDs = null;
private final int dockOffY, dockOffX;
private final Float[] pushXs, pushYs;
private final ArrayList<LayoutCallback> callbackList;
/**
* Constructor.
*
* @param container
* The container that will be laid out.
* @param lc
* The form flow constraints.
* @param rowConstr
* The rows specifications. If more cell rows are required, the
* last element will be used for when there is no corresponding
* element in this array.
* @param colConstr
* The columns specifications. If more cell rows are required,
* the last element will be used for when there is no
* corresponding element in this array.
* @param ccMap
* The map containing the parsed constraints for each child
* component of <code>parent</code>. Will not be alterted.
* @param callbackList
* A list of callbacks or <code>null</code> if none. Will not be
* alterted.
*/
public Grid(ContainerWrapper container, LC lc, AC rowConstr, AC colConstr,
Map<ComponentWrapper, CC> ccMap,
ArrayList<LayoutCallback> callbackList) {
this.lc = lc;
this.rowConstr = rowConstr;
this.colConstr = colConstr;
this.container = container;
this.callbackList = callbackList;
int wrap = lc.getWrapAfter() != 0 ? lc.getWrapAfter()
: (lc.isFlowX() ? colConstr : rowConstr).getConstaints().length;
final ComponentWrapper[] comps = container.getComponents();
boolean hasTagged = false; // So we do not have to sort if it will not
// do any good
boolean hasPushX = false, hasPushY = false;
boolean hitEndOfRow = false;
final int[] cellXY = new int[2];
final ArrayList<int[]> spannedRects = new ArrayList<int[]>(2);
final DimConstraint[] specs = (lc.isFlowX() ? rowConstr : colConstr)
.getConstaints();
int sizeGroupsX = 0, sizeGroupsY = 0;
int[] dockInsets = null; // top, left, bottom, right insets for docks.
LinkHandler.clearTemporaryBounds(container.getLayout());
for (int i = 0; i < comps.length;) {
ComponentWrapper comp = comps[i];
CC rootCc = getCC(comp, ccMap);
addLinkIDs(rootCc);
int hideMode = comp.isVisible() ? -1
: rootCc.getHideMode() != -1 ? rootCc.getHideMode() : lc
.getHideMode();
if (hideMode == 3) { // To work with situations where there are
// components that does not have a layout
// manager, or not this one.
setLinkedBounds(comp, rootCc, comp.getX(), comp.getY(),
comp.getWidth(), comp.getHeight(), rootCc.isExternal());
i++;
continue; // The "external" component should not be handled
// further.
}
if (rootCc.getHorizontal().getSizeGroup() != null)
sizeGroupsX++;
if (rootCc.getVertical().getSizeGroup() != null)
sizeGroupsY++;
// Special treatment of absolute positioned components.
UnitValue[] pos = getPos(comp, rootCc);
BoundSize[] cbSz = getCallbackSize(comp);
if (pos != null || rootCc.isExternal()) {
CompWrap cw = new CompWrap(comp, rootCc, hideMode, pos, cbSz);
Cell cell = grid.get(null);
if (cell == null) {
grid.put(null, new Cell(cw));
} else {
cell.compWraps.add(cw);
}
if (rootCc.isBoundsInGrid() == false || rootCc.isExternal()) {
setLinkedBounds(comp, rootCc, comp.getX(), comp.getY(),
comp.getWidth(), comp.getHeight(),
rootCc.isExternal());
i++;
continue;
}
}
if (rootCc.getDockSide() != -1) {
if (dockInsets == null)
dockInsets = new int[] { -MAX_DOCK_GRID, -MAX_DOCK_GRID,
MAX_DOCK_GRID, MAX_DOCK_GRID };
addDockingCell(dockInsets, rootCc.getDockSide(), new CompWrap(
comp, rootCc, hideMode, pos, cbSz));
i++;
continue;
}
Boolean cellFlowX = rootCc.getFlowX();
Cell cell = null;
if (rootCc.isNewline()) {
wrap(cellXY, rootCc.getNewlineGapSize());
} else if (hitEndOfRow) {
wrap(cellXY, null);
}
hitEndOfRow = false;
final boolean rowNoGrid = lc.isNoGrid()
|| ((DimConstraint) LayoutUtil.getIndexSafe(specs,
lc.isFlowX() ? cellXY[1] : cellXY[0])).isNoGrid();
// Move to a free y, x if no absolute grid specified
int cx = rootCc.getCellX();
int cy = rootCc.getCellY();
if ((cx < 0 || cy < 0) && rowNoGrid == false
&& rootCc.getSkip() == 0) { // 3.7.2: If skip, don't find an
// empty cell first.
while (isCellFree(cellXY[1], cellXY[0], spannedRects) == false) {
if (Math.abs(increase(cellXY, 1)) >= wrap)
wrap(cellXY, null);
}
} else {
if (cx >= 0 && cy >= 0) {
if (cy >= 0) {
cellXY[0] = cx;
cellXY[1] = cy;
} else { // Only one coordinate is specified. Use the
// current row (flowx) or column (flowy) to fill
// in.
if (lc.isFlowX()) {
cellXY[0] = cx;
} else {
cellXY[1] = cx;
}
}
}
cell = getCell(cellXY[1], cellXY[0]); // Might be null
}
// Skip a number of cells. Changed for 3.6.1 to take wrap into
// account and thus "skip" to the next and possibly more rows.
for (int s = 0, skipCount = rootCc.getSkip(); s < skipCount; s++) {
do {
if (Math.abs(increase(cellXY, 1)) >= wrap)
wrap(cellXY, null);
} while (isCellFree(cellXY[1], cellXY[0], spannedRects) == false);
}
// If cell is not created yet, create it and set it.
if (cell == null) {
int spanx = Math.min(rowNoGrid && lc.isFlowX() ? LayoutUtil.INF
: rootCc.getSpanX(), MAX_GRID - cellXY[0]);
int spany = Math.min(
rowNoGrid && !lc.isFlowX() ? LayoutUtil.INF : rootCc
.getSpanY(), MAX_GRID - cellXY[1]);
cell = new Cell(spanx, spany, cellFlowX != null ? cellFlowX
: lc.isFlowX());
setCell(cellXY[1], cellXY[0], cell);
// Add a rectangle so we can know that spanned cells occupy more
// space.
if (spanx > 1 || spany > 1)
spannedRects.add(new int[] { cellXY[0], cellXY[1], spanx,
spany });
}
// Add the one, or all, components that split the grid position to
// the same Cell.
boolean wrapHandled = false;
int splitLeft = rowNoGrid ? LayoutUtil.INF : rootCc.getSplit() - 1;
boolean splitExit = false;
final boolean spanRestOfRow = (lc.isFlowX() ? rootCc.getSpanX()
: rootCc.getSpanY()) == LayoutUtil.INF;
for (; splitLeft >= 0 && i < comps.length; splitLeft--) {
ComponentWrapper compAdd = comps[i];
CC cc = getCC(compAdd, ccMap);
addLinkIDs(cc);
boolean visible = compAdd.isVisible();
hideMode = visible ? -1 : cc.getHideMode() != -1 ? cc
.getHideMode() : lc.getHideMode();
if (cc.isExternal() || hideMode == 3) {
i++;
splitLeft++; // Added for 3.5.5 so that these components
// does not "take" a split slot.
continue; // To work with situations where there are
// components that does not have a layout
// manager, or not this one.
}
hasPushX |= (visible || hideMode > 1)
&& (cc.getPushX() != null);
hasPushY |= (visible || hideMode > 1)
&& (cc.getPushY() != null);
if (cc != rootCc) { // If not first in a cell
if (cc.isNewline() || cc.isBoundsInGrid() == false
|| cc.getDockSide() != -1)
break;
if (splitLeft > 0 && cc.getSkip() > 0) {
splitExit = true;
break;
}
pos = getPos(compAdd, cc);
cbSz = getCallbackSize(compAdd);
}
CompWrap cw = new CompWrap(compAdd, cc, hideMode, pos, cbSz);
cell.compWraps.add(cw);
cell.hasTagged |= cc.getTag() != null;
hasTagged |= cell.hasTagged;
if (cc != rootCc) {
if (cc.getHorizontal().getSizeGroup() != null)
sizeGroupsX++;
if (cc.getVertical().getSizeGroup() != null)
sizeGroupsY++;
}
i++;
if ((cc.isWrap() || (spanRestOfRow && splitLeft == 0))) {
if (cc.isWrap()) {
wrap(cellXY, cc.getWrapGapSize());
} else {
hitEndOfRow = true;
}
wrapHandled = true;
break;
}
}
if (wrapHandled == false && rowNoGrid == false) {
int span = lc.isFlowX() ? cell.spanx : cell.spany;
if (Math.abs((lc.isFlowX() ? cellXY[0] : cellXY[1])) + span >= wrap) {
hitEndOfRow = true;
} else {
increase(cellXY, splitExit ? span - 1 : span);
}
}
}
// If there were size groups, calculate the largest values in the groups
// (for min/pref/max) and enforce them on the rest in the group.
if (sizeGroupsX > 0 || sizeGroupsY > 0) {
HashMap<String, int[]> sizeGroupMapX = sizeGroupsX > 0 ? new HashMap<String, int[]>(
sizeGroupsX) : null;
HashMap<String, int[]> sizeGroupMapY = sizeGroupsY > 0 ? new HashMap<String, int[]>(
sizeGroupsY) : null;
ArrayList<CompWrap> sizeGroupCWs = new ArrayList<CompWrap>(
Math.max(sizeGroupsX, sizeGroupsY));
for (Cell cell : grid.values()) {
for (int i = 0; i < cell.compWraps.size(); i++) {
CompWrap cw = cell.compWraps.get(i);
String sgx = cw.cc.getHorizontal().getSizeGroup();
String sgy = cw.cc.getVertical().getSizeGroup();
if (sgx != null || sgy != null) {
if (sgx != null && sizeGroupMapX != null)
addToSizeGroup(sizeGroupMapX, sgx, cw.horSizes);
if (sgy != null && sizeGroupMapY != null)
addToSizeGroup(sizeGroupMapY, sgy, cw.verSizes);
sizeGroupCWs.add(cw);
}
}
}
// Set/equalize the sizeGroups to same the values.
for (CompWrap cw : sizeGroupCWs) {
if (sizeGroupMapX != null)
cw.setSizes(sizeGroupMapX.get(cw.cc.getHorizontal()
.getSizeGroup()), true); // Target method handles
// null sizes
if (sizeGroupMapY != null)
cw.setSizes(sizeGroupMapY.get(cw.cc.getVertical()
.getSizeGroup()), false); // Target method handles
// null sizes
}
} // Component loop
// If there were size groups, calculate the largest values in the groups
// (for min/pref/max) and enforce them on the rest in the group.
if (sizeGroupsX > 0 || sizeGroupsY > 0) {
HashMap<String, int[]> sizeGroupMapX = sizeGroupsX > 0 ? new HashMap<String, int[]>(
sizeGroupsX) : null;
HashMap<String, int[]> sizeGroupMapY = sizeGroupsY > 0 ? new HashMap<String, int[]>(
sizeGroupsY) : null;
ArrayList<CompWrap> sizeGroupCWs = new ArrayList<CompWrap>(
Math.max(sizeGroupsX, sizeGroupsY));
for (Cell cell : grid.values()) {
for (int i = 0; i < cell.compWraps.size(); i++) {
CompWrap cw = cell.compWraps.get(i);
String sgx = cw.cc.getHorizontal().getSizeGroup();
String sgy = cw.cc.getVertical().getSizeGroup();
if (sgx != null || sgy != null) {
if (sgx != null && sizeGroupMapX != null)
addToSizeGroup(sizeGroupMapX, sgx, cw.horSizes);
if (sgy != null && sizeGroupMapY != null)
addToSizeGroup(sizeGroupMapY, sgy, cw.verSizes);
sizeGroupCWs.add(cw);
}
}
}
// Set/equalize the sizeGroups to same the values.
for (CompWrap cw : sizeGroupCWs) {
if (sizeGroupMapX != null)
cw.setSizes(sizeGroupMapX.get(cw.cc.getHorizontal()
.getSizeGroup()), true); // Target method handles
// null sizes
if (sizeGroupMapY != null)
cw.setSizes(sizeGroupMapY.get(cw.cc.getVertical()
.getSizeGroup()), false); // Target method handles
// null sizes
}
}
if (hasTagged)
sortCellsByPlatform(grid.values(), container);
// Calculate gaps now that the cells are filled and we know all adjacent
// components.
boolean ltr = LayoutUtil.isLeftToRight(lc, container);
for (Cell cell : grid.values()) {
ArrayList<CompWrap> cws = cell.compWraps;
for (int i = 0, lastI = cws.size() - 1; i <= lastI; i++) {
CompWrap cw = cws.get(i);
ComponentWrapper cwBef = i > 0 ? cws.get(i - 1).comp : null;
ComponentWrapper cwAft = i < lastI ? cws.get(i + 1).comp : null;
String tag = getCC(cw.comp, ccMap).getTag();
CC ccBef = cwBef != null ? getCC(cwBef, ccMap) : null;
CC ccAft = cwAft != null ? getCC(cwAft, ccMap) : null;
cw.calcGaps(cwBef, ccBef, cwAft, ccAft, tag, cell.flowx, ltr);
}
}
dockOffX = getDockInsets(colIndexes);
dockOffY = getDockInsets(rowIndexes);
// Add synthetic indexes for empty rows and columns so they can get a
// size
for (int i = 0, iSz = rowConstr.getCount(); i < iSz; i++)
rowIndexes.add(i);
for (int i = 0, iSz = colConstr.getCount(); i < iSz; i++)
colIndexes.add(i);
colGroupLists = divideIntoLinkedGroups(false);
rowGroupLists = divideIntoLinkedGroups(true);
pushXs = hasPushX || lc.isFillX() ? getDefaultPushWeights(false) : null;
pushYs = hasPushY || lc.isFillY() ? getDefaultPushWeights(true) : null;
if (LayoutUtil.isDesignTime(container))
saveGrid(container, grid);
}
private static CC getCC(ComponentWrapper comp,
Map<ComponentWrapper, CC> ccMap) {
CC cc = ccMap.get(comp);
return cc != null ? cc : new CC();
}
private void addLinkIDs(CC cc) {
String[] linkIDs = cc.getLinkTargets();
for (String linkID : linkIDs) {
if (linkTargetIDs == null)
linkTargetIDs = new HashMap<String, Boolean>();
linkTargetIDs.put(linkID, null);
}
}
/**
* If the container (parent) that this grid is laying out has changed its
* bounds, call this method to clear any cached values.
*/
public void invalidateContainerSize() {
colFlowSpecs = null;
}
/**
* Does the actual layout. Uses many values calculated in the constructor.
*
* @param bounds
* The bounds to layout against. Normally that of the parent. [x,
* y, width, height].
* @param alignX
* The alignment for the x-axis.
* @param alignY
* The alignment for the y-axis.
* @param debug
* If debug information should be saved in {@link #debugRects}.
* @param checkPrefChange
* If a check should be done to see if the setting of any new
* bounds changes the preferred size of a component.
* @return If the layout has probably changed the preferred size and there
* is need for a new layout (normally only SWT).
*/
public boolean layout(int[] bounds, UnitValue alignX, UnitValue alignY,
boolean debug, boolean checkPrefChange) {
if (debug)
debugRects = new ArrayList<int[]>();
checkSizeCalcs();
resetLinkValues(true, true);
layoutInOneDim(bounds[2], alignX, false, pushXs);
layoutInOneDim(bounds[3], alignY, true, pushYs);
HashMap<String, Integer> endGrpXMap = null, endGrpYMap = null;
int compCount = container.getComponentCount();
// Transfer the calculated bound from the ComponentWrappers to the
// actual Components.
boolean layoutAgain = false;
if (compCount > 0) {
for (int j = 0; j < (linkTargetIDs != null ? 2 : 1); j++) { // First
// do
// the
// calculations
// (maybe
// more
// than
// once)
// then
// set
// the
// bounds
// when
// done
boolean doAgain;
int count = 0;
do {
doAgain = false;
for (Cell cell : grid.values()) {
ArrayList<CompWrap> compWraps = cell.compWraps;
for (int i = 0, iSz = compWraps.size(); i < iSz; i++) {
CompWrap cw = compWraps.get(i);
if (j == 0) {
doAgain |= doAbsoluteCorrections(cw, bounds);
if (doAgain == false) { // If we are going to do
// this again, do not
// bother this time
// around
if (cw.cc.getHorizontal().getEndGroup() != null)
endGrpXMap = addToEndGroup(endGrpXMap,
cw.cc.getHorizontal()
.getEndGroup(), cw.x
+ cw.w);
if (cw.cc.getVertical().getEndGroup() != null)
endGrpYMap = addToEndGroup(endGrpYMap,
cw.cc.getVertical()
.getEndGroup(), cw.y
+ cw.h);
}
// @since 3.7.2 Needed or absolute "pos"
// pointing to "visual" or "container" didn't
// work if
// their bounds changed during the layout cycle.
// At least not in SWT.
if (linkTargetIDs != null
&& (linkTargetIDs.containsKey("visual") || linkTargetIDs
.containsKey("container")))
layoutAgain = true;
}
if (linkTargetIDs == null || j == 1) {
if (cw.cc.getHorizontal().getEndGroup() != null)
cw.w = endGrpXMap.get(cw.cc.getHorizontal()
.getEndGroup()) - cw.x;
if (cw.cc.getVertical().getEndGroup() != null)
cw.h = endGrpYMap.get(cw.cc.getVertical()
.getEndGroup()) - cw.y;
cw.x += bounds[0];
cw.y += bounds[1];
layoutAgain |= cw
.transferBounds(checkPrefChange
&& !layoutAgain);
if (callbackList != null) {
for (LayoutCallback callback : callbackList)
callback.correctBounds(cw.comp);
}
}
}
}
clearGroupLinkBounds();
if (++count > ((compCount << 3) + 10)) {
System.err
.println("Unstable cyclic dependency in absolute linked values!");
break;
}
} while (doAgain);
}
}
// Add debug shapes for the "cells". Use the CompWraps as base for
// inding the cells.
if (debug) {
for (Cell cell : grid.values()) {
ArrayList<CompWrap> compWraps = cell.compWraps;
for (int i = 0, iSz = compWraps.size(); i < iSz; i++) {
CompWrap cw = compWraps.get(i);
LinkedDimGroup hGrp = getGroupContaining(colGroupLists, cw);
LinkedDimGroup vGrp = getGroupContaining(rowGroupLists, cw);
if (hGrp != null && vGrp != null)
debugRects.add(new int[] {
hGrp.lStart + bounds[0]
- (hGrp.fromEnd ? hGrp.lSize : 0),
vGrp.lStart + bounds[1]
- (vGrp.fromEnd ? vGrp.lSize : 0),
hGrp.lSize, vGrp.lSize });
}
}
}
return layoutAgain;
}
public void paintDebug() {
if (debugRects != null) {
container.paintDebugOutline();
ArrayList<int[]> painted = new ArrayList<int[]>();
for (int i = 0, iSz = debugRects.size(); i < iSz; i++) {
int[] r = debugRects.get(i);
if (painted.contains(r) == false) {
container.paintDebugCell(r[0], r[1], r[2], r[3]);
painted.add(r);
}
}
for (Cell cell : grid.values()) {
ArrayList<CompWrap> compWraps = cell.compWraps;
for (int i = 0, iSz = compWraps.size(); i < iSz; i++)
compWraps.get(i).comp.paintDebugOutline();
}
}
}
public ContainerWrapper getContainer() {
return container;
}
public final int[] getWidth() {
checkSizeCalcs();
return width.clone();
}
public final int[] getHeight() {
checkSizeCalcs();
return height.clone();
}
private void checkSizeCalcs() {
if (colFlowSpecs == null) {
colFlowSpecs = calcRowsOrColsSizes(true);
rowFlowSpecs = calcRowsOrColsSizes(false);
width = getMinPrefMaxSumSize(true);
height = getMinPrefMaxSumSize(false);
if (linkTargetIDs == null) {
resetLinkValues(false, true);
} else {
// This call makes some components flicker on SWT. They get
// their bounds changed twice since
// the change might affect the absolute size adjustment below.
// There's no way around this that
// I know of.
layout(new int[4], null, null, false, false);
resetLinkValues(false, false);
}
adjustSizeForAbsolute(true);
adjustSizeForAbsolute(false);
}
}
private UnitValue[] getPos(ComponentWrapper cw, CC cc) {
UnitValue[] cbPos = null;
if (callbackList != null) {
for (int i = 0; i < callbackList.size() && cbPos == null; i++)
cbPos = callbackList.get(i).getPosition(cw); // NOT a copy!
}
// If one is null, return the other (which many also be null)
UnitValue[] ccPos = cc.getPos(); // A copy!!
if (cbPos == null || ccPos == null)
return cbPos != null ? cbPos : ccPos;
// Merge
for (int i = 0; i < 4; i++) {
UnitValue cbUv = cbPos[i];
if (cbUv != null)
ccPos[i] = cbUv;
}
return ccPos;
}
private BoundSize[] getCallbackSize(ComponentWrapper cw) {
if (callbackList != null) {
for (LayoutCallback callback : callbackList) {
BoundSize[] bs = callback.getSize(cw); // NOT a copy!
if (bs != null)
return bs;
}
}
return null;
}
private static int getDockInsets(TreeSet<Integer> set) {
int c = 0;
for (Integer i : set) {
if (i < -MAX_GRID) {
c++;
} else {
break; // Since they are sorted we can break
}
}
return c;
}
/**
* @param cw
* Never <code>null</code>.
* @param cc
* Never <code>null</code>.
* @param external
* The bounds should be stored even if they are not in
* {@link #linkTargetIDs}.
* @return If a change has been made.
*/
private boolean setLinkedBounds(ComponentWrapper cw, CC cc, int x, int y,
int w, int h, boolean external) {
String id = cc.getId() != null ? cc.getId() : cw.getLinkId();
if (id == null)
return false;
String gid = null;
int grIx = id.indexOf('.');
if (grIx != -1) {
gid = id.substring(0, grIx);
id = id.substring(grIx + 1);
}
Object lay = container.getLayout();
boolean changed = false;
if (external
|| (linkTargetIDs != null && linkTargetIDs.containsKey(id)))
changed = LinkHandler.setBounds(lay, id, x, y, w, h, !external,
false);
if (gid != null
&& (external || (linkTargetIDs != null && linkTargetIDs
.containsKey(gid)))) {
if (linkTargetIDs == null)
linkTargetIDs = new HashMap<String, Boolean>(4);
linkTargetIDs.put(gid, Boolean.TRUE);
changed |= LinkHandler.setBounds(lay, gid, x, y, w, h, !external,
true);
}
return changed;
}
/**
* Go to next cell.
*
* @param p
* The point to increase
* @param cnt
* How many cells to advance.
* @return The new value in the "incresing" dimension.
*/
private int increase(int[] p, int cnt) {
return lc.isFlowX() ? (p[0] += cnt) : (p[1] += cnt);
}
/**
* Wraps to the next row or column depending on if horizontal flow or
* vertical flow is used.
*
* @param cellXY
* The point to wrap and thus set either x or y to 0 and increase
* the other one.
* @param gapSize
* The gaps size specified in a "wrap XXX" or "newline XXX" or
* <code>null</code> if none.
*/
private void wrap(int[] cellXY, BoundSize gapSize) {
boolean flowx = lc.isFlowX();
cellXY[0] = flowx ? 0 : cellXY[0] + 1;
cellXY[1] = flowx ? cellXY[1] + 1 : 0;
if (gapSize != null) {
if (wrapGapMap == null)
wrapGapMap = new HashMap<Integer, BoundSize>(8);
wrapGapMap.put(cellXY[flowx ? 1 : 0], gapSize);
}
// add the row/column so that the gap in the last row/col will not be
// removed.
if (flowx) {
rowIndexes.add(cellXY[1]);
} else {
colIndexes.add(cellXY[0]);
}
}
/**
* Sort components (normally buttons in a button bar) so they appear in the
* correct order.
*
* @param cells
* The cells to sort.
* @param parent
* The parent.
*/
private static void sortCellsByPlatform(Collection<Cell> cells,
ContainerWrapper parent) {
String order = PlatformDefaults.getButtonOrder();
String orderLo = order.toLowerCase();
int unrelSize = PlatformDefaults.convertToPixels(1, "u", true, 0,
parent, null);
if (unrelSize == UnitConverter.UNABLE)
throw new IllegalArgumentException(
"'unrelated' not recognized by PlatformDefaults!");
int[] gapUnrel = new int[] { unrelSize, unrelSize, LayoutUtil.NOT_SET };
int[] flGap = new int[] { 0, 0, LayoutUtil.NOT_SET };
for (Cell cell : cells) {
if (cell.hasTagged == false)
continue;
CompWrap prevCW = null;
boolean nextUnrel = false;
boolean nextPush = false;
ArrayList<CompWrap> sortedList = new ArrayList<CompWrap>(
cell.compWraps.size());
for (int i = 0, iSz = orderLo.length(); i < iSz; i++) {
char c = orderLo.charAt(i);
if (c == '+' || c == '_') {
nextUnrel = true;
if (c == '+')
nextPush = true;
} else {
String tag = PlatformDefaults.getTagForChar(c);
if (tag != null) {
for (int j = 0, jSz = cell.compWraps.size(); j < jSz; j++) {
CompWrap cw = cell.compWraps.get(j);
if (tag.equals(cw.cc.getTag())) {
if (Character.isUpperCase(order.charAt(i))) {
int min = PlatformDefaults
.getMinimumButtonWidth().getPixels(
0, parent, cw.comp);
if (min > cw.horSizes[LayoutUtil.MIN])
cw.horSizes[LayoutUtil.MIN] = min;
correctMinMax(cw.horSizes);
}
sortedList.add(cw);
if (nextUnrel) {
(prevCW != null ? prevCW : cw)
.mergeGapSizes(gapUnrel,
cell.flowx, prevCW == null);
if (nextPush) {
cw.forcedPushGaps = 1;
nextUnrel = false;
nextPush = false;
}
}
// "unknown" components will always get an
// Unrelated gap.
if (c == 'u')
nextUnrel = true;
prevCW = cw;
}
}
}
}
}
// If we have a gap that was supposed to push but no more components
// was found to but the "gap before" then compensate.
if (sortedList.size() > 0) {
CompWrap cw = sortedList.get(sortedList.size() - 1);
if (nextUnrel) {
cw.mergeGapSizes(gapUnrel, cell.flowx, false);
if (nextPush)
cw.forcedPushGaps |= 2;
}
// Remove first and last gap if not set explicitly.
if (cw.cc.getHorizontal().getGapAfter() == null)
cw.setGaps(flGap, 3);
cw = sortedList.get(0);
if (cw.cc.getHorizontal().getGapBefore() == null)
cw.setGaps(flGap, 1);
}
// Exchange the unsorted CompWraps for the sorted one.
if (cell.compWraps.size() == sortedList.size()) {
cell.compWraps.clear();
} else {
cell.compWraps.removeAll(sortedList);
}
cell.compWraps.addAll(sortedList);
}
}
private Float[] getDefaultPushWeights(boolean isRows) {
ArrayList<LinkedDimGroup>[] groupLists = isRows ? rowGroupLists
: colGroupLists;
Float[] pushWeightArr = GROW_100; // Only create specific if any of the
// components have grow.
for (int i = 0, ix = 1; i < groupLists.length; i++, ix += 2) {
ArrayList<LinkedDimGroup> grps = groupLists[i];
Float rowPushWeight = null;
for (LinkedDimGroup grp : grps) {
for (int c = 0; c < grp._compWraps.size(); c++) {
CompWrap cw = grp._compWraps.get(c);
int hideMode = cw.comp.isVisible() ? -1 : cw.cc
.getHideMode() != -1 ? cw.cc.getHideMode() : lc
.getHideMode();
Float pushWeight = hideMode < 2 ? (isRows ? cw.cc
.getPushY() : cw.cc.getPushX()) : null;
if (rowPushWeight == null
|| (pushWeight != null && pushWeight.floatValue() > rowPushWeight
.floatValue()))
rowPushWeight = pushWeight;
}
}
if (rowPushWeight != null) {
if (pushWeightArr == GROW_100)
pushWeightArr = new Float[(groupLists.length << 1) + 1];
pushWeightArr[ix] = rowPushWeight;
}
}
return pushWeightArr;
}
private void clearGroupLinkBounds() {
if (linkTargetIDs == null)
return;
for (Map.Entry<String, Boolean> o : linkTargetIDs.entrySet()) {
if (o.getValue() == Boolean.TRUE)
LinkHandler.clearBounds(container.getLayout(), o.getKey());
}
}
private void resetLinkValues(boolean parentSize, boolean compLinks) {
Object lay = container.getLayout();
if (compLinks)
LinkHandler.clearTemporaryBounds(lay);
boolean defIns = !hasDocks();
int parW = parentSize ? lc.getWidth().constrain(container.getWidth(),
getParentSize(container, true), container) : 0;
int parH = parentSize ? lc.getHeight().constrain(container.getHeight(),
getParentSize(container, false), container) : 0;
int insX = LayoutUtil.getInsets(lc, 0, defIns).getPixels(0, container,
null);
int insY = LayoutUtil.getInsets(lc, 1, defIns).getPixels(0, container,
null);
int visW = parW
- insX
- LayoutUtil.getInsets(lc, 2, defIns).getPixels(0, container,
null);
int visH = parH
- insY
- LayoutUtil.getInsets(lc, 3, defIns).getPixels(0, container,
null);
LinkHandler.setBounds(lay, "visual", insX, insY, visW, visH, true,
false);
LinkHandler.setBounds(lay, "container", 0, 0, parW, parH, true, false);
}
/**
* Returns the {@link net.miginfocom.layout.Grid.LinkedDimGroup} that has
* the {@link net.miginfocom.layout.Grid.CompWrap} <code>cw</code>.
*
* @param groupLists
* The lists to search in.
* @param cw
* The component wrap to find.
* @return The linked group or <code>null</code> if none had the component
* wrap.
*/
private static LinkedDimGroup getGroupContaining(
ArrayList<LinkedDimGroup>[] groupLists, CompWrap cw) {
for (ArrayList<LinkedDimGroup> groups : groupLists) {
for (int j = 0, jSz = groups.size(); j < jSz; j++) {
ArrayList<CompWrap> cwList = groups.get(j)._compWraps;
for (int k = 0, kSz = cwList.size(); k < kSz; k++) {
if (cwList.get(k) == cw)
return groups.get(j);
}
}
}
return null;
}
private boolean doAbsoluteCorrections(CompWrap cw, int[] bounds) {
boolean changed = false;
int[] stSz = getAbsoluteDimBounds(cw, bounds[2], true);
if (stSz != null)
cw.setDimBounds(stSz[0], stSz[1], true);
stSz = getAbsoluteDimBounds(cw, bounds[3], false);
if (stSz != null)
cw.setDimBounds(stSz[0], stSz[1], false);
// If there is a link id, store the new bounds.
if (linkTargetIDs != null)
changed = setLinkedBounds(cw.comp, cw.cc, cw.x, cw.y, cw.w, cw.h,
false);
return changed;
}
private void adjustSizeForAbsolute(boolean isHor) {
int[] curSizes = isHor ? width : height;
Cell absCell = grid.get(null);
if (absCell == null || absCell.compWraps.size() == 0)
return;
ArrayList<CompWrap> cws = absCell.compWraps;
int maxEnd = 0;
for (int j = 0, cwSz = absCell.compWraps.size(); j < cwSz + 3; j++) { // "Do Again"
// max
// absCell.compWraps.size()
// +
// 3
// times.
boolean doAgain = false;
for (int i = 0; i < cwSz; i++) {
CompWrap cw = cws.get(i);
int[] stSz = getAbsoluteDimBounds(cw, 0, isHor);
int end = stSz[0] + stSz[1];
if (maxEnd < end)
maxEnd = end;
// If there is a link id, store the new bounds.
if (linkTargetIDs != null)
doAgain |= setLinkedBounds(cw.comp, cw.cc, stSz[0],
stSz[0], stSz[1], stSz[1], false);
}
if (doAgain == false)
break;
// We need to check this again since the coords may be smaller this
// round.
maxEnd = 0;
clearGroupLinkBounds();
}
maxEnd += LayoutUtil.getInsets(lc, isHor ? 3 : 2, !hasDocks())
.getPixels(0, container, null);
if (curSizes[LayoutUtil.MIN] < maxEnd)
curSizes[LayoutUtil.MIN] = maxEnd;
if (curSizes[LayoutUtil.PREF] < maxEnd)
curSizes[LayoutUtil.PREF] = maxEnd;
}
private int[] getAbsoluteDimBounds(CompWrap cw, int refSize, boolean isHor) {
if (cw.cc.isExternal()) {
if (isHor) {
return new int[] { cw.comp.getX(), cw.comp.getWidth() };
} else {
return new int[] { cw.comp.getY(), cw.comp.getHeight() };
}
}
int[] plafPad = lc.isVisualPadding() ? cw.comp.getVisualPadding()
: null;
UnitValue[] pad = cw.cc.getPadding();
// If no changes do not create a lot of objects
if (cw.pos == null && plafPad == null && pad == null)
return null;
// Set start
int st = isHor ? cw.x : cw.y;
int sz = isHor ? cw.w : cw.h;
// If absolute, use those coordinates instead.
if (cw.pos != null) {
UnitValue stUV = cw.pos != null ? cw.pos[isHor ? 0 : 1] : null;
UnitValue endUV = cw.pos != null ? cw.pos[isHor ? 2 : 3] : null;
int minSz = cw.getSize(LayoutUtil.MIN, isHor);
int maxSz = cw.getSize(LayoutUtil.MAX, isHor);
sz = Math.min(Math.max(cw.getSize(LayoutUtil.PREF, isHor), minSz),
maxSz);
if (stUV != null) {
st = stUV.getPixels(stUV.getUnit() == UnitValue.ALIGN ? sz
: refSize, container, cw.comp);
if (endUV != null) // if (endUV == null &&
// cw.cc.isBoundsIsGrid() == true)
sz = Math.min(
Math.max((isHor ? (cw.x + cw.w) : (cw.y + cw.h))
- st, minSz), maxSz);
}
if (endUV != null) {
if (stUV != null) { // if (stUV != null ||
// cw.cc.isBoundsIsGrid()) {
sz = Math.min(Math.max(
endUV.getPixels(refSize, container, cw.comp) - st,
minSz), maxSz);
} else {
st = endUV.getPixels(refSize, container, cw.comp) - sz;
}
}
}
// If constraint has padding -> correct the start/size
if (pad != null) {
UnitValue uv = pad[isHor ? 1 : 0];
int p = uv != null ? uv.getPixels(refSize, container, cw.comp) : 0;
st += p;
uv = pad[isHor ? 3 : 2];
sz += -p
+ (uv != null ? uv.getPixels(refSize, container, cw.comp)
: 0);
}
// If the plaf converter has padding -> correct the start/size
if (plafPad != null) {
int p = plafPad[isHor ? 1 : 0];
st += p;
sz += -p + (plafPad[isHor ? 3 : 2]);
}
return new int[] { st, sz };
}
private void layoutInOneDim(int refSize, UnitValue align, boolean isRows,
Float[] defaultPushWeights) {
boolean fromEnd = !(isRows ? lc.isTopToBottom() : LayoutUtil
.isLeftToRight(lc, container));
DimConstraint[] primDCs = (isRows ? rowConstr : colConstr)
.getConstaints();
FlowSizeSpec fss = isRows ? rowFlowSpecs : colFlowSpecs;
ArrayList<LinkedDimGroup>[] rowCols = isRows ? rowGroupLists
: colGroupLists;
int[] rowColSizes = LayoutUtil.calculateSerial(fss.sizes,
fss.resConstsInclGaps, defaultPushWeights, LayoutUtil.PREF,
refSize);
if (LayoutUtil.isDesignTime(container)) {
TreeSet<Integer> indexes = isRows ? rowIndexes : colIndexes;
int[] ixArr = new int[indexes.size()];
int ix = 0;
for (Integer i : indexes)
ixArr[ix++] = i;
putSizesAndIndexes(container.getComponent(), rowColSizes, ixArr,
isRows);
}
int curPos = align != null ? align.getPixels(
refSize - LayoutUtil.sum(rowColSizes), container, null) : 0;
if (fromEnd)
curPos = refSize - curPos;
for (int i = 0; i < rowCols.length; i++) {
ArrayList<LinkedDimGroup> linkedGroups = rowCols[i];
int scIx = i - (isRows ? dockOffY : dockOffX);
int bIx = i << 1;
int bIx2 = bIx + 1;
curPos += (fromEnd ? -rowColSizes[bIx] : rowColSizes[bIx]);
DimConstraint primDC = scIx >= 0 ? primDCs[scIx >= primDCs.length ? primDCs.length - 1
: scIx]
: DOCK_DIM_CONSTRAINT;
int rowSize = rowColSizes[bIx2];
for (LinkedDimGroup group : linkedGroups) {
int groupSize = rowSize;
if (group.span > 1)
groupSize = LayoutUtil.sum(
rowColSizes,
bIx2,
Math.min((group.span << 1) - 1, rowColSizes.length
- bIx2 - 1));
group.layout(primDC, curPos, groupSize, group.span);
}
curPos += (fromEnd ? -rowSize : rowSize);
}
}
private static void addToSizeGroup(HashMap<String, int[]> sizeGroups,
String sizeGroup, int[] size) {
int[] sgSize = sizeGroups.get(sizeGroup);
if (sgSize == null) {
sizeGroups.put(sizeGroup, new int[] { size[LayoutUtil.MIN],
size[LayoutUtil.PREF], size[LayoutUtil.MAX] });
} else {
sgSize[LayoutUtil.MIN] = Math.max(size[LayoutUtil.MIN],
sgSize[LayoutUtil.MIN]);
sgSize[LayoutUtil.PREF] = Math.max(size[LayoutUtil.PREF],
sgSize[LayoutUtil.PREF]);
sgSize[LayoutUtil.MAX] = Math.min(size[LayoutUtil.MAX],
sgSize[LayoutUtil.MAX]);
}
}
private static HashMap<String, Integer> addToEndGroup(
HashMap<String, Integer> endGroups, String endGroup, int end) {
if (endGroup != null) {
if (endGroups == null)
endGroups = new HashMap<String, Integer>(2);
Integer oldEnd = endGroups.get(endGroup);
if (oldEnd == null || end > oldEnd)
endGroups.put(endGroup, end);
}
return endGroups;
}
/**
* Calculates Min, Preferred and Max size for the columns OR rows.
*
* @param isHor
* If it is the horizontal dimension to calculate.
* @return The sizes in a {@link net.miginfocom.layout.Grid.FlowSizeSpec}.
*/
private FlowSizeSpec calcRowsOrColsSizes(boolean isHor) {
ArrayList<LinkedDimGroup>[] groupsLists = isHor ? colGroupLists
: rowGroupLists;
Float[] defPush = isHor ? pushXs : pushYs;
int refSize = isHor ? container.getWidth() : container.getHeight();
BoundSize cSz = isHor ? lc.getWidth() : lc.getHeight();
if (cSz.isUnset() == false)
refSize = cSz.constrain(refSize, getParentSize(container, isHor),
container);
DimConstraint[] primDCs = (isHor ? colConstr : rowConstr)
.getConstaints();
TreeSet<Integer> primIndexes = isHor ? colIndexes : rowIndexes;
int[][] rowColBoundSizes = new int[primIndexes.size()][];
HashMap<String, int[]> sizeGroupMap = new HashMap<String, int[]>(2);
DimConstraint[] allDCs = new DimConstraint[primIndexes.size()];
Iterator<Integer> primIt = primIndexes.iterator();
for (int r = 0; r < rowColBoundSizes.length; r++) {
int cellIx = primIt.next();
int[] rowColSizes = new int[3];
if (cellIx >= -MAX_GRID && cellIx <= MAX_GRID) { // If not dock cell
allDCs[r] = primDCs[cellIx >= primDCs.length ? primDCs.length - 1
: cellIx];
} else {
allDCs[r] = DOCK_DIM_CONSTRAINT;
}
ArrayList<LinkedDimGroup> groups = groupsLists[r];
int[] groupSizes = new int[] {
getTotalGroupsSizeParallel(groups, LayoutUtil.MIN, false),
getTotalGroupsSizeParallel(groups, LayoutUtil.PREF, false),
LayoutUtil.INF };
correctMinMax(groupSizes);
BoundSize dimSize = allDCs[r].getSize();
for (int sType = LayoutUtil.MIN; sType <= LayoutUtil.MAX; sType++) {
int rowColSize = groupSizes[sType];
UnitValue uv = dimSize.getSize(sType);
if (uv != null) {
// If the size of the column is a link to some other size,
// use that instead
int unit = uv.getUnit();
if (unit == UnitValue.PREF_SIZE) {
rowColSize = groupSizes[LayoutUtil.PREF];
} else if (unit == UnitValue.MIN_SIZE) {
rowColSize = groupSizes[LayoutUtil.MIN];
} else if (unit == UnitValue.MAX_SIZE) {
rowColSize = groupSizes[LayoutUtil.MAX];
} else {
rowColSize = uv.getPixels(refSize, container, null);
}
} else if (cellIx >= -MAX_GRID && cellIx <= MAX_GRID
&& rowColSize == 0) {
rowColSize = LayoutUtil.isDesignTime(container) ? LayoutUtil
.getDesignTimeEmptySize() : 0; // Empty rows with no
// size set gets XX
// pixels if design
// time
}
rowColSizes[sType] = rowColSize;
}
correctMinMax(rowColSizes);
addToSizeGroup(sizeGroupMap, allDCs[r].getSizeGroup(), rowColSizes);
rowColBoundSizes[r] = rowColSizes;
}
// Set/equalize the size groups to same the values.
if (sizeGroupMap.size() > 0) {
for (int r = 0; r < rowColBoundSizes.length; r++) {
if (allDCs[r].getSizeGroup() != null)
rowColBoundSizes[r] = sizeGroupMap.get(allDCs[r]
.getSizeGroup());
}
}
// Add the gaps
ResizeConstraint[] resConstrs = getRowResizeConstraints(allDCs);
boolean[] fillInPushGaps = new boolean[allDCs.length + 1];
int[][] gapSizes = getRowGaps(allDCs, refSize, isHor, fillInPushGaps);
FlowSizeSpec fss = mergeSizesGapsAndResConstrs(resConstrs,
fillInPushGaps, rowColBoundSizes, gapSizes);
// Spanning components are not handled yet. Check and adjust the
// multi-row min/pref they enforce.
adjustMinPrefForSpanningComps(allDCs, defPush, fss, groupsLists);
return fss;
}
private static int getParentSize(ComponentWrapper cw, boolean isHor) {
ComponentWrapper p = cw.getParent();
return p != null ? (isHor ? cw.getWidth() : cw.getHeight()) : 0;
}
private int[] getMinPrefMaxSumSize(boolean isHor) {
int[][] sizes = isHor ? colFlowSpecs.sizes : rowFlowSpecs.sizes;
int[] retSizes = new int[3];
BoundSize sz = isHor ? lc.getWidth() : lc.getHeight();
for (int i = 0; i < sizes.length; i++) {
if (sizes[i] != null) {
int[] size = sizes[i];
for (int sType = LayoutUtil.MIN; sType <= LayoutUtil.MAX; sType++) {
if (sz.getSize(sType) != null) {
if (i == 0)
retSizes[sType] = sz.getSize(sType).getPixels(
getParentSize(container, isHor), container,
null);
} else {
int s = size[sType];
if (s != LayoutUtil.NOT_SET) {
if (sType == LayoutUtil.PREF) {
int bnd = size[LayoutUtil.MAX];
if (bnd != LayoutUtil.NOT_SET && bnd < s)
s = bnd;
bnd = size[LayoutUtil.MIN];
if (bnd > s) // Includes s == LayoutUtil.NOT_SET
// since < 0.
s = bnd;
}
retSizes[sType] += s; // MAX compensated below.
}
// So that MAX is always correct.
if (size[LayoutUtil.MAX] == LayoutUtil.NOT_SET
|| retSizes[LayoutUtil.MAX] > LayoutUtil.INF)
retSizes[LayoutUtil.MAX] = LayoutUtil.INF;
}
}
}
}
correctMinMax(retSizes);
return retSizes;
}
private static ResizeConstraint[] getRowResizeConstraints(
DimConstraint[] specs) {
ResizeConstraint[] resConsts = new ResizeConstraint[specs.length];
for (int i = 0; i < resConsts.length; i++)
resConsts[i] = specs[i].resize;
return resConsts;
}
private static ResizeConstraint[] getComponentResizeConstraints(
ArrayList<CompWrap> compWraps, boolean isHor) {
ResizeConstraint[] resConsts = new ResizeConstraint[compWraps.size()];
for (int i = 0; i < resConsts.length; i++) {
CC fc = compWraps.get(i).cc;
resConsts[i] = fc.getDimConstraint(isHor).resize;
// Always grow docking components in the correct dimension.
int dock = fc.getDockSide();
if (isHor ? (dock == 0 || dock == 2) : (dock == 1 || dock == 3)) {
ResizeConstraint dc = resConsts[i];
resConsts[i] = new ResizeConstraint(dc.shrinkPrio, dc.shrink,
dc.growPrio, ResizeConstraint.WEIGHT_100);
}
}
return resConsts;
}
private static boolean[] getComponentGapPush(ArrayList<CompWrap> compWraps,
boolean isHor) {
// Make one element bigger and or the after gap with the next before
// gap.
boolean[] barr = new boolean[compWraps.size() + 1];
for (int i = 0; i < barr.length; i++) {
boolean push = i > 0
&& compWraps.get(i - 1).isPushGap(isHor, false);
if (push == false && i < (barr.length - 1))
push = compWraps.get(i).isPushGap(isHor, true);
barr[i] = push;
}
return barr;
}
/**
* Returns the row gaps in pixel sizes. One more than there are
* <code>specs</code> sent in.
*
* @param specs
* @param refSize
* @param isHor
* @param fillInPushGaps
* If the gaps are pushing. <b>NOTE!</b> this argument will be
* filled in and thus changed!
* @return The row gaps in pixel sizes. One more than there are
* <code>specs</code> sent in.
*/
private int[][] getRowGaps(DimConstraint[] specs, int refSize,
boolean isHor, boolean[] fillInPushGaps) {
BoundSize defGap = isHor ? lc.getGridGapX() : lc.getGridGapY();
if (defGap == null)
defGap = isHor ? PlatformDefaults.getGridGapX() : PlatformDefaults
.getGridGapY();
int[] defGapArr = defGap.getPixelSizes(refSize, container, null);
boolean defIns = !hasDocks();
UnitValue firstGap = LayoutUtil.getInsets(lc, isHor ? 1 : 0, defIns);
UnitValue lastGap = LayoutUtil.getInsets(lc, isHor ? 3 : 2, defIns);
int[][] retValues = new int[specs.length + 1][];
for (int i = 0, wgIx = 0; i < retValues.length; i++) {
DimConstraint specBefore = i > 0 ? specs[i - 1] : null;
DimConstraint specAfter = i < specs.length ? specs[i] : null;
// No gap if between docking components.
boolean edgeBefore = (specBefore == DOCK_DIM_CONSTRAINT || specBefore == null);
boolean edgeAfter = (specAfter == DOCK_DIM_CONSTRAINT || specAfter == null);
if (edgeBefore && edgeAfter)
continue;
BoundSize wrapGapSize = (wrapGapMap == null
|| isHor == lc.isFlowX() ? null : wrapGapMap.get(Integer
.valueOf(wgIx++)));
if (wrapGapSize == null) {
int[] gapBefore = specBefore != null ? specBefore.getRowGaps(
container, null, refSize, false) : null;
int[] gapAfter = specAfter != null ? specAfter.getRowGaps(
container, null, refSize, true) : null;
if (edgeBefore && gapAfter == null && firstGap != null) {
int bef = firstGap.getPixels(refSize, container, null);
retValues[i] = new int[] { bef, bef, bef };
} else if (edgeAfter && gapBefore == null && firstGap != null) {
int aft = lastGap.getPixels(refSize, container, null);
retValues[i] = new int[] { aft, aft, aft };
} else {
retValues[i] = gapAfter != gapBefore ? mergeSizes(gapAfter,
gapBefore) : new int[] { defGapArr[0],
defGapArr[1], defGapArr[2] };
}
if (specBefore != null && specBefore.isGapAfterPush()
|| specAfter != null && specAfter.isGapBeforePush())
fillInPushGaps[i] = true;
} else {
if (wrapGapSize.isUnset()) {
retValues[i] = new int[] { defGapArr[0], defGapArr[1],
defGapArr[2] };
} else {
retValues[i] = wrapGapSize.getPixelSizes(refSize,
container, null);
}
fillInPushGaps[i] = wrapGapSize.getGapPush();
}
}
return retValues;
}
private static int[][] getGaps(ArrayList<CompWrap> compWraps, boolean isHor) {
int compCount = compWraps.size();
int[][] retValues = new int[compCount + 1][];
retValues[0] = compWraps.get(0).getGaps(isHor, true);
for (int i = 0; i < compCount; i++) {
int[] gap1 = compWraps.get(i).getGaps(isHor, false);
int[] gap2 = i < compCount - 1 ? compWraps.get(i + 1).getGaps(
isHor, true) : null;
retValues[i + 1] = mergeSizes(gap1, gap2);
}
return retValues;
}
private boolean hasDocks() {
return (dockOffX > 0 || dockOffY > 0 || rowIndexes.last() > MAX_GRID || colIndexes
.last() > MAX_GRID);
}
/**
* Adjust min/pref size for columns(or rows) that has components that spans
* multiple columns (or rows).
*
* @param specs
* The specs for the columns or rows. Last index will be used if
* <code>count</code> is greater than this array's length.
* @param defPush
* The default grow weight if the specs does not have anyone that
* will grow. Comes from "push" in the CC.
* @param fss
* @param groupsLists
*/
private void adjustMinPrefForSpanningComps(DimConstraint[] specs,
Float[] defPush, FlowSizeSpec fss,
ArrayList<LinkedDimGroup>[] groupsLists) {
for (int r = groupsLists.length - 1; r >= 0; r--) { // Since 3.7.3
// Iterate from end
// to start. Will
// solve some
// multiple spanning
// components hard
// to solve
// problems.
ArrayList<LinkedDimGroup> groups = groupsLists[r];
for (LinkedDimGroup group : groups) {
if (group.span == 1)
continue;
int[] sizes = group.getMinPrefMax();
for (int s = LayoutUtil.MIN; s <= LayoutUtil.PREF; s++) {
int cSize = sizes[s];
if (cSize == LayoutUtil.NOT_SET)
continue;
int rowSize = 0;
int sIx = (r << 1) + 1;
int len = Math.min((group.span << 1), fss.sizes.length
- sIx) - 1;
for (int j = sIx; j < sIx + len; j++) {
int sz = fss.sizes[j][s];
if (sz != LayoutUtil.NOT_SET)
rowSize += sz;
}
if (rowSize < cSize && len > 0) {
for (int eagerness = 0, newRowSize = 0; eagerness < 4
&& newRowSize < cSize; eagerness++)
newRowSize = fss.expandSizes(specs, defPush, cSize,
sIx, len, s, eagerness);
}
}
}
}
}
/**
* For one dimension divide the component wraps into logical groups. One
* group for component wraps that share a common something, line the
* property to layout by base line.
*
* @param isRows
* If rows, and not columns, are to be divided.
* @return One <code>ArrayList<LinkedDimGroup></code> for every row/column.
*/
private ArrayList<LinkedDimGroup>[] divideIntoLinkedGroups(boolean isRows) {
boolean fromEnd = !(isRows ? lc.isTopToBottom() : LayoutUtil
.isLeftToRight(lc, container));
TreeSet<Integer> primIndexes = isRows ? rowIndexes : colIndexes;
TreeSet<Integer> secIndexes = isRows ? colIndexes : rowIndexes;
DimConstraint[] primDCs = (isRows ? rowConstr : colConstr)
.getConstaints();
ArrayList<LinkedDimGroup>[] groupLists = new ArrayList[primIndexes
.size()];
int gIx = 0;
for (int i : primIndexes) {
DimConstraint dc;
if (i >= -MAX_GRID && i <= MAX_GRID) { // If not dock cell
dc = primDCs[i >= primDCs.length ? primDCs.length - 1 : i];
} else {
dc = DOCK_DIM_CONSTRAINT;
}
ArrayList<LinkedDimGroup> groupList = new ArrayList<LinkedDimGroup>(
2);
groupLists[gIx++] = groupList;
for (Integer ix : secIndexes) {
Cell cell = isRows ? getCell(i, ix) : getCell(ix, i);
if (cell == null || cell.compWraps.size() == 0)
continue;
int span = (isRows ? cell.spany : cell.spanx);
if (span > 1)
span = convertSpanToSparseGrid(i, span, primIndexes);
boolean isPar = (cell.flowx == isRows);
if ((isPar == false && cell.compWraps.size() > 1) || span > 1) {
int linkType = isPar ? LinkedDimGroup.TYPE_PARALLEL
: LinkedDimGroup.TYPE_SERIAL;
LinkedDimGroup lg = new LinkedDimGroup("p," + ix, span,
linkType, !isRows, fromEnd);
lg.setCompWraps(cell.compWraps);
groupList.add(lg);
} else {
for (int cwIx = 0; cwIx < cell.compWraps.size(); cwIx++) {
CompWrap cw = cell.compWraps.get(cwIx);
boolean rowBaselineAlign = (isRows
&& lc.isTopToBottom() && dc
.getAlignOrDefault(!isRows) == UnitValue.BASELINE_IDENTITY); // Disable
// baseline
// for
// bottomToTop
// since
// I
// can
// not
// verify
// it
// working.
boolean isBaseline = isRows
&& cw.isBaselineAlign(rowBaselineAlign);
String linkCtx = isBaseline ? "baseline" : null;
// Find a group with same link context and put it in
// that group.
boolean foundList = false;
for (int glIx = 0, lastGl = groupList.size() - 1; glIx <= lastGl; glIx++) {
LinkedDimGroup group = groupList.get(glIx);
if (group.linkCtx == linkCtx || linkCtx != null
&& linkCtx.equals(group.linkCtx)) {
group.addCompWrap(cw);
foundList = true;
break;
}
}
// If none found and at last add a new group.
if (foundList == false) {
int linkType = isBaseline ? LinkedDimGroup.TYPE_BASELINE
: LinkedDimGroup.TYPE_PARALLEL;
LinkedDimGroup lg = new LinkedDimGroup(linkCtx, 1,
linkType, !isRows, fromEnd);
lg.addCompWrap(cw);
groupList.add(lg);
}
}
}
}
}
return groupLists;
}
/**
* Spanning is specified in the uncompressed grid number. They can for
* instance be more than 60000 for the outer edge dock grid cells. When the
* grid is compressed and indexed after only the cells that area occupied
* the span is erratic. This method use the row/col indexes and corrects the
* span to be correct for the compressed grid.
*
* @param span
* The span un the uncompressed grid. <code>LayoutUtil.INF</code>
* will be interpreted to span the rest of the column/row
* excluding the surrounding docking components.
* @param indexes
* The indexes in the correct dimension.
* @return The converted span.
*/
private static int convertSpanToSparseGrid(int curIx, int span,
TreeSet<Integer> indexes) {
int lastIx = curIx + span;
int retSpan = 1;
for (Integer ix : indexes) {
if (ix <= curIx)
continue; // We have not arrived to the correct index yet
if (ix >= lastIx)
break;
retSpan++;
}
return retSpan;
}
private boolean isCellFree(int r, int c, ArrayList<int[]> occupiedRects) {
if (getCell(r, c) != null)
return false;
for (int[] rect : occupiedRects) {
if (rect[0] <= c && rect[1] <= r && rect[0] + rect[2] > c
&& rect[1] + rect[3] > r)
return false;
}
return true;
}
private Cell getCell(int r, int c) {
return grid.get(Integer.valueOf((r << 16) + c));
}
private void setCell(int r, int c, Cell cell) {
if (c < 0 || r < 0)
throw new IllegalArgumentException(
"Cell position cannot be negative. row: " + r + ", col: "
+ c);
if (c > MAX_GRID || r > MAX_GRID)
throw new IllegalArgumentException(
"Cell position out of bounds. Out of cells. row: " + r
+ ", col: " + c);
rowIndexes.add(r);
colIndexes.add(c);
grid.put((r << 16) + c, cell);
}
/**
* Adds a docking cell. That cell is outside the normal cell indexes.
*
* @param dockInsets
* The current dock insets. Will be updated!
* @param side
* top == 0, left == 1, bottom = 2, right = 3.
* @param cw
* The compwrap to put in a cell and add.
*/
private void addDockingCell(int[] dockInsets, int side, CompWrap cw) {
int r, c, spanx = 1, spany = 1;
switch (side) {
case 0:
case 2:
r = side == 0 ? dockInsets[0]++ : dockInsets[2]--;
c = dockInsets[1];
spanx = dockInsets[3] - dockInsets[1] + 1; // The +1 is for cell 0.
colIndexes.add(dockInsets[3]); // Make sure there is a receiving
// cell
break;
case 1:
case 3:
c = side == 1 ? dockInsets[1]++ : dockInsets[3]--;
r = dockInsets[0];
spany = dockInsets[2] - dockInsets[0] + 1; // The +1 is for cell 0.
rowIndexes.add(dockInsets[2]); // Make sure there is a receiving
// cell
break;
default:
throw new IllegalArgumentException("Internal error 123.");
}
rowIndexes.add(r);
colIndexes.add(c);
grid.put((r << 16) + c, new Cell(cw, spanx, spany, spanx > 1));
}
/**
* A simple representation of a cell in the grid. Contains a number of
* component wraps and if they span more than one cell.
*/
private static class Cell {
private final int spanx, spany;
private final boolean flowx;
private final ArrayList<CompWrap> compWraps = new ArrayList<CompWrap>(1);
private boolean hasTagged = false; // If one or more components have
// styles and need to be checked by
// the component sorter
private Cell(CompWrap cw) {
this(cw, 1, 1, true);
}
private Cell(int spanx, int spany, boolean flowx) {
this(null, spanx, spany, flowx);
}
private Cell(CompWrap cw, int spanx, int spany, boolean flowx) {
if (cw != null)
compWraps.add(cw);
this.spanx = spanx;
this.spany = spany;
this.flowx = flowx;
}
}
/**
* A number of component wraps that share a layout "something" <b>in one
* dimension</b>
*/
private static class LinkedDimGroup {
private static final int TYPE_SERIAL = 0;
private static final int TYPE_PARALLEL = 1;
private static final int TYPE_BASELINE = 2;
private final String linkCtx;
private final int span;
private final int linkType;
private final boolean isHor, fromEnd;
private ArrayList<CompWrap> _compWraps = new ArrayList<CompWrap>(4);
private int[] sizes = null;
private int lStart = 0, lSize = 0; // Currently mostly for debug
// painting
private LinkedDimGroup(String linkCtx, int span, int linkType,
boolean isHor, boolean fromEnd) {
this.linkCtx = linkCtx;
this.span = span;
this.linkType = linkType;
this.isHor = isHor;
this.fromEnd = fromEnd;
}
private void addCompWrap(CompWrap cw) {
_compWraps.add(cw);
sizes = null;
}
private void setCompWraps(ArrayList<CompWrap> cws) {
if (_compWraps != cws) {
_compWraps = cws;
sizes = null;
}
}
private void layout(DimConstraint dc, int start, int size, int spanCount) {
lStart = start;
lSize = size;
if (_compWraps.size() == 0)
return;
ContainerWrapper parent = _compWraps.get(0).comp.getParent();
if (linkType == TYPE_PARALLEL) {
layoutParallel(parent, _compWraps, dc, start, size, isHor,
fromEnd);
} else if (linkType == TYPE_BASELINE) {
layoutBaseline(parent, _compWraps, dc, start, size,
LayoutUtil.PREF, spanCount);
} else {
layoutSerial(parent, _compWraps, dc, start, size, isHor,
spanCount, fromEnd);
}
}
/**
* Returns the min/pref/max sizes for this cell. Returned array <b>must
* not be altered</b>
*
* @return A shared min/pref/max array of sizes. Always of length 3 and
* never <code>null</code>. Will always be of type STATIC and
* PIXEL.
*/
private int[] getMinPrefMax() {
if (sizes == null && _compWraps.size() > 0) {
sizes = new int[3];
for (int sType = LayoutUtil.MIN; sType <= LayoutUtil.PREF; sType++) {
if (linkType == TYPE_PARALLEL) {
sizes[sType] = getTotalSizeParallel(_compWraps, sType,
isHor);
} else if (linkType == TYPE_BASELINE) {
int[] aboveBelow = getBaselineAboveBelow(_compWraps,
sType, false);
sizes[sType] = aboveBelow[0] + aboveBelow[1];
} else {
sizes[sType] = getTotalSizeSerial(_compWraps, sType,
isHor);
}
}
sizes[LayoutUtil.MAX] = LayoutUtil.INF;
}
return sizes;
}
}
/**
* Wraps a {@link java.awt.Component} together with its constraint. Caches a
* lot of information about the component so for instance not the preferred
* size has to be calculated more than once.
*/
private final static class CompWrap {
private final ComponentWrapper comp;
private final CC cc;
private final UnitValue[] pos;
private int[][] gaps; // [top,left(actually
// before),bottom,right(actually
// after)][min,pref,max]
private final int[] horSizes = new int[3];
private final int[] verSizes = new int[3];
private int x = LayoutUtil.NOT_SET, y = LayoutUtil.NOT_SET,
w = LayoutUtil.NOT_SET, h = LayoutUtil.NOT_SET;
private int forcedPushGaps = 0; // 1 == before, 2 = after. Bitwise.
private CompWrap(ComponentWrapper c, CC cc, int eHideMode,
UnitValue[] pos, BoundSize[] callbackSz) {
this.comp = c;
this.cc = cc;
this.pos = pos;
if (eHideMode <= 0) {
BoundSize hBS = (callbackSz != null && callbackSz[0] != null) ? callbackSz[0]
: cc.getHorizontal().getSize();
BoundSize vBS = (callbackSz != null && callbackSz[1] != null) ? callbackSz[1]
: cc.getVertical().getSize();
int wHint = -1, hHint = -1; // Added for v3.7
if (comp.getWidth() > 0 && comp.getHeight() > 0) {
hHint = comp.getHeight();
wHint = comp.getWidth();
}
for (int i = LayoutUtil.MIN; i <= LayoutUtil.MAX; i++) {
horSizes[i] = getSize(hBS, i, true, hHint);
verSizes[i] = getSize(vBS, i, false, wHint > 0 ? wHint
: horSizes[i]);
}
correctMinMax(horSizes);
correctMinMax(verSizes);
}
if (eHideMode > 1) {
gaps = new int[4][];
for (int i = 0; i < gaps.length; i++)
gaps[i] = new int[3];
}
}
private int getSize(BoundSize uvs, int sizeType, boolean isHor,
int sizeHint) {
if (uvs == null || uvs.getSize(sizeType) == null) {
switch (sizeType) {
case LayoutUtil.MIN:
return isHor ? comp.getMinimumWidth(sizeHint) : comp
.getMinimumHeight(sizeHint);
case LayoutUtil.PREF:
return isHor ? comp.getPreferredWidth(sizeHint) : comp
.getPreferredHeight(sizeHint);
default:
return isHor ? comp.getMaximumWidth(sizeHint) : comp
.getMaximumHeight(sizeHint);
}
}
ContainerWrapper par = comp.getParent();
return uvs.getSize(sizeType).getPixels(
isHor ? par.getWidth() : par.getHeight(), par, comp);
}
private void calcGaps(ComponentWrapper before, CC befCC,
ComponentWrapper after, CC aftCC, String tag, boolean flowX,
boolean isLTR) {
ContainerWrapper par = comp.getParent();
int parW = par.getWidth();
int parH = par.getHeight();
BoundSize befGap = before != null ? (flowX ? befCC.getHorizontal()
: befCC.getVertical()).getGapAfter() : null;
BoundSize aftGap = after != null ? (flowX ? aftCC.getHorizontal()
: aftCC.getVertical()).getGapBefore() : null;
mergeGapSizes(
cc.getVertical().getComponentGaps(par, comp, befGap,
(flowX ? null : before), tag, parH, 0, isLTR),
false, true);
mergeGapSizes(
cc.getHorizontal().getComponentGaps(par, comp, befGap,
(flowX ? before : null), tag, parW, 1, isLTR),
true, true);
mergeGapSizes(
cc.getVertical().getComponentGaps(par, comp, aftGap,
(flowX ? null : after), tag, parH, 2, isLTR),
false, false);
mergeGapSizes(
cc.getHorizontal().getComponentGaps(par, comp, aftGap,
(flowX ? after : null), tag, parW, 3, isLTR), true,
false);
}
private void setDimBounds(int start, int size, boolean isHor) {
if (isHor) {
x = start;
w = size;
} else {
y = start;
h = size;
}
}
private boolean isPushGap(boolean isHor, boolean isBefore) {
if (isHor && ((isBefore ? 1 : 2) & forcedPushGaps) != 0)
return true; // Forced
DimConstraint dc = cc.getDimConstraint(isHor);
BoundSize s = isBefore ? dc.getGapBefore() : dc.getGapAfter();
return s != null && s.getGapPush();
}
/**
* @return If the preferred size have changed because of the new bounds.
*/
private boolean transferBounds(boolean checkPrefChange) {
comp.setBounds(x, y, w, h);
if (checkPrefChange && w != horSizes[LayoutUtil.PREF]) {
BoundSize vSz = cc.getVertical().getSize();
if (vSz.getPreferred() == null) {
if (comp.getPreferredHeight(-1) != verSizes[LayoutUtil.PREF])
return true;
}
}
return false;
}
private void setSizes(int[] sizes, boolean isHor) {
if (sizes == null)
return;
int[] s = isHor ? horSizes : verSizes;
s[LayoutUtil.MIN] = sizes[LayoutUtil.MIN];
s[LayoutUtil.PREF] = sizes[LayoutUtil.PREF];
s[LayoutUtil.MAX] = sizes[LayoutUtil.MAX];
}
private void setGaps(int[] minPrefMax, int ix) {
if (gaps == null)
gaps = new int[][] { null, null, null, null };
gaps[ix] = minPrefMax;
}
private void mergeGapSizes(int[] sizes, boolean isHor, boolean isTL) {
if (gaps == null)
gaps = new int[][] { null, null, null, null };
if (sizes == null)
return;
int gapIX = getGapIx(isHor, isTL);
int[] oldGaps = gaps[gapIX];
if (oldGaps == null) {
oldGaps = new int[] { 0, 0, LayoutUtil.INF };
gaps[gapIX] = oldGaps;
}
oldGaps[LayoutUtil.MIN] = Math.max(sizes[LayoutUtil.MIN],
oldGaps[LayoutUtil.MIN]);
oldGaps[LayoutUtil.PREF] = Math.max(sizes[LayoutUtil.PREF],
oldGaps[LayoutUtil.PREF]);
oldGaps[LayoutUtil.MAX] = Math.min(sizes[LayoutUtil.MAX],
oldGaps[LayoutUtil.MAX]);
}
private int getGapIx(boolean isHor, boolean isTL) {
return isHor ? (isTL ? 1 : 3) : (isTL ? 0 : 2);
}
private int getSizeInclGaps(int sizeType, boolean isHor) {
return filter(sizeType,
getGapBefore(sizeType, isHor) + getSize(sizeType, isHor)
+ getGapAfter(sizeType, isHor));
}
private int getSize(int sizeType, boolean isHor) {
return filter(sizeType, isHor ? horSizes[sizeType]
: verSizes[sizeType]);
}
private int getGapBefore(int sizeType, boolean isHor) {
int[] gaps = getGaps(isHor, true);
return gaps != null ? filter(sizeType, gaps[sizeType]) : 0;
}
private int getGapAfter(int sizeType, boolean isHor) {
int[] gaps = getGaps(isHor, false);
return gaps != null ? filter(sizeType, gaps[sizeType]) : 0;
}
private int[] getGaps(boolean isHor, boolean isTL) {
return gaps[getGapIx(isHor, isTL)];
}
private int filter(int sizeType, int size) {
if (size == LayoutUtil.NOT_SET)
return sizeType != LayoutUtil.MAX ? 0 : LayoutUtil.INF;
return constrainSize(size);
}
private boolean isBaselineAlign(boolean defValue) {
Float g = cc.getVertical().getGrow();
if (g != null && g.intValue() != 0)
return false;
UnitValue al = cc.getVertical().getAlign();
return (al != null ? al == UnitValue.BASELINE_IDENTITY : defValue)
&& comp.hasBaseline();
}
private int getBaseline(int sizeType) {
return comp.getBaseline(getSize(sizeType, true),
getSize(sizeType, false));
}
}
// ***************************************************************************************
// * Helper Methods
// ***************************************************************************************
private static void layoutBaseline(ContainerWrapper parent,
ArrayList<CompWrap> compWraps, DimConstraint dc, int start,
int size, int sizeType, int spanCount) {
int[] aboveBelow = getBaselineAboveBelow(compWraps, sizeType, true);
int blRowSize = aboveBelow[0] + aboveBelow[1];
CC cc = compWraps.get(0).cc;
// Align for the whole baseline component array
UnitValue align = cc.getVertical().getAlign();
if (spanCount == 1 && align == null)
align = dc.getAlignOrDefault(false);
if (align == UnitValue.BASELINE_IDENTITY)
align = UnitValue.CENTER;
int offset = start
+ aboveBelow[0]
+ (align != null ? Math.max(0,
align.getPixels(size - blRowSize, parent, null)) : 0);
for (int i = 0, iSz = compWraps.size(); i < iSz; i++) {
CompWrap cw = compWraps.get(i);
cw.y += offset;
if (cw.y + cw.h > start + size)
cw.h = start + size - cw.y;
}
}
private static void layoutSerial(ContainerWrapper parent,
ArrayList<CompWrap> compWraps, DimConstraint dc, int start,
int size, boolean isHor, int spanCount, boolean fromEnd) {
FlowSizeSpec fss = mergeSizesGapsAndResConstrs(
getComponentResizeConstraints(compWraps, isHor),
getComponentGapPush(compWraps, isHor),
getComponentSizes(compWraps, isHor), getGaps(compWraps, isHor));
Float[] pushW = dc.isFill() ? GROW_100 : null;
int[] sizes = LayoutUtil.calculateSerial(fss.sizes,
fss.resConstsInclGaps, pushW, LayoutUtil.PREF, size);
setCompWrapBounds(parent, sizes, compWraps,
dc.getAlignOrDefault(isHor), start, size, isHor, fromEnd);
}
private static void setCompWrapBounds(ContainerWrapper parent,
int[] allSizes, ArrayList<CompWrap> compWraps, UnitValue rowAlign,
int start, int size, boolean isHor, boolean fromEnd) {
int totSize = LayoutUtil.sum(allSizes);
CC cc = compWraps.get(0).cc;
UnitValue align = correctAlign(cc, rowAlign, isHor, fromEnd);
int cSt = start;
int slack = size - totSize;
if (slack > 0 && align != null) {
int al = Math.min(slack,
Math.max(0, align.getPixels(slack, parent, null)));
cSt += (fromEnd ? -al : al);
}
for (int i = 0, bIx = 0, iSz = compWraps.size(); i < iSz; i++) {
CompWrap cw = compWraps.get(i);
if (fromEnd) {
cSt -= allSizes[bIx++];
cw.setDimBounds(cSt - allSizes[bIx], allSizes[bIx], isHor);
cSt -= allSizes[bIx++];
} else {
cSt += allSizes[bIx++];
cw.setDimBounds(cSt, allSizes[bIx], isHor);
cSt += allSizes[bIx++];
}
}
}
private static void layoutParallel(ContainerWrapper parent,
ArrayList<CompWrap> compWraps, DimConstraint dc, int start,
int size, boolean isHor, boolean fromEnd) {
int[][] sizes = new int[compWraps.size()][]; // [compIx][gapBef,compSize,gapAft]
for (int i = 0; i < sizes.length; i++) {
CompWrap cw = compWraps.get(i);
DimConstraint cDc = cw.cc.getDimConstraint(isHor);
ResizeConstraint[] resConstr = new ResizeConstraint[] {
cw.isPushGap(isHor, true) ? GAP_RC_CONST_PUSH
: GAP_RC_CONST,
cDc.resize,
cw.isPushGap(isHor, false) ? GAP_RC_CONST_PUSH
: GAP_RC_CONST, };
int[][] sz = new int[][] { cw.getGaps(isHor, true),
(isHor ? cw.horSizes : cw.verSizes),
cw.getGaps(isHor, false) };
Float[] pushW = dc.isFill() ? GROW_100 : null;
sizes[i] = LayoutUtil.calculateSerial(sz, resConstr, pushW,
LayoutUtil.PREF, size);
}
UnitValue rowAlign = dc.getAlignOrDefault(isHor);
setCompWrapBounds(parent, sizes, compWraps, rowAlign, start, size,
isHor, fromEnd);
}
private static void setCompWrapBounds(ContainerWrapper parent,
int[][] sizes, ArrayList<CompWrap> compWraps, UnitValue rowAlign,
int start, int size, boolean isHor, boolean fromEnd) {
for (int i = 0; i < sizes.length; i++) {
CompWrap cw = compWraps.get(i);
UnitValue align = correctAlign(cw.cc, rowAlign, isHor, fromEnd);
int[] cSizes = sizes[i];
int gapBef = cSizes[0];
int cSize = cSizes[1]; // No Math.min(size, cSizes[1]) here!
int gapAft = cSizes[2];
int cSt = fromEnd ? start - gapBef : start + gapBef;
int slack = size - cSize - gapBef - gapAft;
if (slack > 0 && align != null) {
int al = Math.min(slack,
Math.max(0, align.getPixels(slack, parent, null)));
cSt += (fromEnd ? -al : al);
}
cw.setDimBounds(fromEnd ? cSt - cSize : cSt, cSize, isHor);
}
}
private static UnitValue correctAlign(CC cc, UnitValue rowAlign,
boolean isHor, boolean fromEnd) {
UnitValue align = (isHor ? cc.getHorizontal() : cc.getVertical())
.getAlign();
if (align == null)
align = rowAlign;
if (align == UnitValue.BASELINE_IDENTITY)
align = UnitValue.CENTER;
if (fromEnd) {
if (align == UnitValue.LEFT)
align = UnitValue.RIGHT;
else if (align == UnitValue.RIGHT)
align = UnitValue.LEFT;
}
return align;
}
private static int[] getBaselineAboveBelow(ArrayList<CompWrap> compWraps,
int sType, boolean centerBaseline) {
int maxAbove = Short.MIN_VALUE;
int maxBelow = Short.MIN_VALUE;
for (int i = 0, iSz = compWraps.size(); i < iSz; i++) {
CompWrap cw = compWraps.get(i);
int height = cw.getSize(sType, false);
if (height >= LayoutUtil.INF)
return new int[] { LayoutUtil.INF / 2, LayoutUtil.INF / 2 };
int baseline = cw.getBaseline(sType);
int above = baseline + cw.getGapBefore(sType, false);
maxAbove = Math.max(above, maxAbove);
maxBelow = Math.max(
height - baseline + cw.getGapAfter(sType, false), maxBelow);
if (centerBaseline)
cw.setDimBounds(-baseline, height, false);
}
return new int[] { maxAbove, maxBelow };
}
private static int getTotalSizeParallel(ArrayList<CompWrap> compWraps,
int sType, boolean isHor) {
int size = sType == LayoutUtil.MAX ? LayoutUtil.INF : 0;
for (int i = 0, iSz = compWraps.size(); i < iSz; i++) {
CompWrap cw = compWraps.get(i);
int cwSize = cw.getSizeInclGaps(sType, isHor);
if (cwSize >= LayoutUtil.INF)
return LayoutUtil.INF;
if (sType == LayoutUtil.MAX ? cwSize < size : cwSize > size)
size = cwSize;
}
return constrainSize(size);
}
private static int getTotalSizeSerial(ArrayList<CompWrap> compWraps,
int sType, boolean isHor) {
int totSize = 0;
for (int i = 0, iSz = compWraps.size(), lastGapAfter = 0; i < iSz; i++) {
CompWrap wrap = compWraps.get(i);
int gapBef = wrap.getGapBefore(sType, isHor);
if (gapBef > lastGapAfter)
totSize += gapBef - lastGapAfter;
totSize += wrap.getSize(sType, isHor);
totSize += (lastGapAfter = wrap.getGapAfter(sType, isHor));
if (totSize >= LayoutUtil.INF)
return LayoutUtil.INF;
}
return constrainSize(totSize);
}
private static int getTotalGroupsSizeParallel(
ArrayList<LinkedDimGroup> groups, int sType, boolean countSpanning) {
int size = sType == LayoutUtil.MAX ? LayoutUtil.INF : 0;
for (int i = 0, iSz = groups.size(); i < iSz; i++) {
LinkedDimGroup group = groups.get(i);
if (countSpanning || group.span == 1) {
int grpSize = group.getMinPrefMax()[sType];
if (grpSize >= LayoutUtil.INF)
return LayoutUtil.INF;
if (sType == LayoutUtil.MAX ? grpSize < size : grpSize > size)
size = grpSize;
}
}
return constrainSize(size);
}
/**
* @param compWraps
* @param isHor
* @return Might contain LayoutUtil.NOT_SET
*/
private static int[][] getComponentSizes(ArrayList<CompWrap> compWraps,
boolean isHor) {
int[][] compSizes = new int[compWraps.size()][];
for (int i = 0; i < compSizes.length; i++) {
CompWrap cw = compWraps.get(i);
compSizes[i] = isHor ? cw.horSizes : cw.verSizes;
}
return compSizes;
}
/**
* Merges sizes and gaps together with Resize Constraints. For gaps
* {@link #GAP_RC_CONST} is used.
*
* @param resConstr
* One resize constriant for every row/component. Can be lesser
* in length and the last element should be used for missing
* elements.
* @param gapPush
* If the corresponding gap should be considered pushing and thus
* want to take free space if left over. Should be one more than
* resConstrs!
* @param minPrefMaxSizes
* The sizes (min/pref/max) for every row/component.
* @param gapSizes
* The gaps before and after each row/component packed in one
* double sized array.
* @return A holder for the merged values.
*/
private static FlowSizeSpec mergeSizesGapsAndResConstrs(
ResizeConstraint[] resConstr, boolean[] gapPush,
int[][] minPrefMaxSizes, int[][] gapSizes) {
int[][] sizes = new int[(minPrefMaxSizes.length << 1) + 1][]; // Make
// room
// for
// gaps
// around.
ResizeConstraint[] resConstsInclGaps = new ResizeConstraint[sizes.length];
sizes[0] = gapSizes[0];
for (int i = 0, crIx = 1; i < minPrefMaxSizes.length; i++, crIx += 2) {
// Component bounds and constraints
resConstsInclGaps[crIx] = resConstr[i];
sizes[crIx] = minPrefMaxSizes[i];
sizes[crIx + 1] = gapSizes[i + 1];
if (sizes[crIx - 1] != null)
resConstsInclGaps[crIx - 1] = gapPush[i < gapPush.length ? i
: gapPush.length - 1] ? GAP_RC_CONST_PUSH
: GAP_RC_CONST;
if (i == (minPrefMaxSizes.length - 1) && sizes[crIx + 1] != null)
resConstsInclGaps[crIx + 1] = gapPush[(i + 1) < gapPush.length ? (i + 1)
: gapPush.length - 1] ? GAP_RC_CONST_PUSH
: GAP_RC_CONST;
}
// Check for null and set it to 0, 0, 0.
for (int i = 0; i < sizes.length; i++) {
if (sizes[i] == null)
sizes[i] = new int[3];
}
return new FlowSizeSpec(sizes, resConstsInclGaps);
}
private static int[] mergeSizes(int[] oldValues, int[] newValues) {
if (oldValues == null)
return newValues;
if (newValues == null)
return oldValues;
int[] ret = new int[oldValues.length];
for (int i = 0; i < ret.length; i++)
ret[i] = mergeSizes(oldValues[i], newValues[i], true);
return ret;
}
private static int mergeSizes(int oldValue, int newValue, boolean toMax) {
if (oldValue == LayoutUtil.NOT_SET || oldValue == newValue)
return newValue;
if (newValue == LayoutUtil.NOT_SET)
return oldValue;
return toMax != oldValue > newValue ? newValue : oldValue;
}
private static int constrainSize(int s) {
return s > 0 ? (s < LayoutUtil.INF ? s : LayoutUtil.INF) : 0;
}
private static void correctMinMax(int s[]) {
if (s[LayoutUtil.MIN] > s[LayoutUtil.MAX])
s[LayoutUtil.MIN] = s[LayoutUtil.MAX]; // Since MAX is almost always
// explicitly set use that
if (s[LayoutUtil.PREF] < s[LayoutUtil.MIN])
s[LayoutUtil.PREF] = s[LayoutUtil.MIN];
if (s[LayoutUtil.PREF] > s[LayoutUtil.MAX])
s[LayoutUtil.PREF] = s[LayoutUtil.MAX];
}
private static final class FlowSizeSpec {
private final int[][] sizes; // [row/col index][min, pref, max]
private final ResizeConstraint[] resConstsInclGaps; // [row/col index]
private FlowSizeSpec(int[][] sizes, ResizeConstraint[] resConstsInclGaps) {
this.sizes = sizes;
this.resConstsInclGaps = resConstsInclGaps;
}
/**
* @param specs
* The specs for the columns or rows. Last index will be used
* of <code>fromIx + len</code> is greater than this array's
* length.
* @param targetSize
* The size to try to meet.
* @param defGrow
* The default grow weight if the specs does not have anyone
* that will grow. Comes from "push" in the CC.
* @param fromIx
* @param len
* @param sizeType
* @param eagerness
* How eager the algorithm should be to try to expand the
* sizes.
* <ul>
* <li>0 - Grow only rows/columns which have the
* <code>sizeType</code> set to be the containing components
* AND which has a grow weight > 0.
* <li>1 - Grow only rows/columns which have the
* <code>sizeType</code> set to be the containing components
* AND which has a grow weight > 0 OR unspecified.
* <li>2 - Grow all rows/columns that have a grow weight >
* 0.
* <li>3 - Grow all rows/columns that have a grow weight >
* 0 OR unspecified.
* </ul>
* @return The new size.
*/
private int expandSizes(DimConstraint[] specs, Float[] defGrow,
int targetSize, int fromIx, int len, int sizeType, int eagerness) {
ResizeConstraint[] resConstr = new ResizeConstraint[len];
int[][] sizesToExpand = new int[len][];
for (int i = 0; i < len; i++) {
int[] minPrefMax = sizes[i + fromIx];
sizesToExpand[i] = new int[] { minPrefMax[sizeType],
minPrefMax[LayoutUtil.PREF], minPrefMax[LayoutUtil.MAX] };
if (eagerness <= 1 && i % 2 == 0) { // (i % 2 == 0) means only
// odd indexes, which is
// only rows/col indexes and
// not gaps.
int cIx = (i + fromIx - 1) >> 1;
DimConstraint spec = (DimConstraint) LayoutUtil
.getIndexSafe(specs, cIx);
BoundSize sz = spec.getSize();
if ((sizeType == LayoutUtil.MIN && sz.getMin() != null && sz
.getMin().getUnit() != UnitValue.MIN_SIZE)
|| (sizeType == LayoutUtil.PREF
&& sz.getPreferred() != null && sz
.getPreferred().getUnit() != UnitValue.PREF_SIZE)) {
continue;
}
}
resConstr[i] = (ResizeConstraint) LayoutUtil.getIndexSafe(
resConstsInclGaps, i + fromIx);
}
Float[] growW = (eagerness == 1 || eagerness == 3) ? extractSubArray(
specs, defGrow, fromIx, len) : null;
int[] newSizes = LayoutUtil.calculateSerial(sizesToExpand,
resConstr, growW, LayoutUtil.PREF, targetSize);
int newSize = 0;
for (int i = 0; i < len; i++) {
int s = newSizes[i];
sizes[i + fromIx][sizeType] = s;
newSize += s;
}
return newSize;
}
}
private static Float[] extractSubArray(DimConstraint[] specs, Float[] arr,
int ix, int len) {
if (arr == null || arr.length < ix + len) {
Float[] growLastArr = new Float[len];
// Handle a group where some rows (first one/few and/or last
// one/few) are docks.
for (int i = ix + len - 1; i >= 0; i -= 2) {
int specIx = (i >> 1);
if (specs[specIx] != DOCK_DIM_CONSTRAINT) {
growLastArr[i - ix] = ResizeConstraint.WEIGHT_100;
return growLastArr;
}
}
return growLastArr;
}
Float[] newArr = new Float[len];
for (int i = 0; i < len; i++)
newArr[i] = arr[ix + i];
return newArr;
}
private static WeakHashMap[] PARENT_ROWCOL_SIZES_MAP = null;
private static synchronized void putSizesAndIndexes(Object parComp,
int[] sizes, int[] ixArr, boolean isRows) {
if (PARENT_ROWCOL_SIZES_MAP == null) // Lazy since only if designing in
// IDEs
PARENT_ROWCOL_SIZES_MAP = new WeakHashMap[] { new WeakHashMap(4),
new WeakHashMap(4) };
PARENT_ROWCOL_SIZES_MAP[isRows ? 0 : 1].put(parComp, new int[][] {
ixArr, sizes });
}
static synchronized int[][] getSizesAndIndexes(Object parComp,
boolean isRows) {
if (PARENT_ROWCOL_SIZES_MAP == null)
return null;
return (int[][]) PARENT_ROWCOL_SIZES_MAP[isRows ? 0 : 1].get(parComp);
}
private static WeakHashMap<Object, LinkedHashMap<Integer, Cell>> PARENT_GRIDPOS_MAP = null;
private static synchronized void saveGrid(ComponentWrapper parComp,
LinkedHashMap<Integer, Cell> grid) {
if (PARENT_GRIDPOS_MAP == null) // Lazy since only if designing in IDEs
PARENT_GRIDPOS_MAP = new WeakHashMap<Object, LinkedHashMap<Integer, Cell>>();
PARENT_GRIDPOS_MAP.put(parComp.getComponent(), grid);
}
static synchronized HashMap<Object, int[]> getGridPositions(Object parComp) {
if (PARENT_GRIDPOS_MAP == null)
return null;
LinkedHashMap<Integer, Cell> grid = PARENT_GRIDPOS_MAP.get(parComp);
if (grid == null)
return null;
HashMap<Object, int[]> retMap = new HashMap<Object, int[]>();
for (Map.Entry<Integer, Cell> e : grid.entrySet()) {
Cell cell = e.getValue();
Integer xyInt = e.getKey();
if (xyInt != null) {
int x = xyInt & 0x0000ffff;
int y = xyInt >> 16;
for (CompWrap cw : cell.compWraps)
retMap.put(cw.comp.getComponent(), new int[] { x, y,
cell.spanx, cell.spany });
}
}
return retMap;
}
}