/* ******************************************************************************
* Copyright (c) 2006-2012 XMind Ltd. and others.
*
* This file is a part of XMind 3. XMind releases 3 and
* above are dual-licensed under the Eclipse Public License (EPL),
* which is available at http://www.eclipse.org/legal/epl-v10.html
* and the GNU Lesser General Public License (LGPL),
* which is available at http://www.gnu.org/licenses/lgpl.html
* See http://www.xmind.net/license.html for details.
*
* Contributors:
* XMind Ltd. - initial API and implementation
*******************************************************************************/
package org.xmind.ui.internal.fishbone.structures;
import java.util.List;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.PositionConstants;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Insets;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.Rectangle;
import org.xmind.gef.GEF;
import org.xmind.gef.draw2d.IAnchor;
import org.xmind.gef.draw2d.IReferencedFigure;
import org.xmind.gef.draw2d.ReferencedLayoutData;
import org.xmind.gef.draw2d.geometry.Geometry;
import org.xmind.gef.draw2d.geometry.IPrecisionTransformer;
import org.xmind.gef.draw2d.geometry.PrecisionDimension;
import org.xmind.gef.draw2d.geometry.PrecisionInsets;
import org.xmind.gef.draw2d.geometry.PrecisionPoint;
import org.xmind.gef.draw2d.geometry.PrecisionRectangle;
import org.xmind.gef.graphicalpolicy.IStructure;
import org.xmind.gef.part.IPart;
import org.xmind.ui.branch.AbstractBranchStructure;
import org.xmind.ui.branch.BoundaryLayoutHelper;
import org.xmind.ui.branch.IBranchPolicy;
import org.xmind.ui.branch.IInsertion;
import org.xmind.ui.branch.Insertion;
import org.xmind.ui.internal.fishbone.Fishbone;
import org.xmind.ui.internal.fishbone.decorations.MainFishboneBranchDecoration;
import org.xmind.ui.mindmap.IBranchPart;
import org.xmind.ui.mindmap.IBranchRangePart;
import org.xmind.ui.mindmap.INodePart;
import org.xmind.ui.mindmap.IPlusMinusPart;
import org.xmind.ui.mindmap.ISummaryPart;
import org.xmind.ui.mindmap.ITopicPart;
import org.xmind.ui.mindmap.MindMapUI;
import org.xmind.ui.tools.ParentSearchKey;
public class MainFishboneStructure extends AbstractBranchStructure {
private static final double sin = Math.sin(Math
.toRadians(Fishbone.RotateAngle));
private static final double cos = Math.cos(Math
.toRadians(Fishbone.RotateAngle));
private static final double fMajor = 0.5d;
private static final double fMinor = 5d;
private final IMainDirection direction;
public MainFishboneStructure(IMainDirection direction) {
this.direction = direction;
}
protected void addExtraSpaces(IBranchPart branch, ReferencedLayoutData data) {
super.addExtraSpaces(branch, data);
Insets insets = new Insets();
if (direction == IMainDirection.LeftHeaded) {
insets.right = MainFishboneBranchDecoration.TailLength + 5;
} else {
insets.left = MainFishboneBranchDecoration.TailLength + 5;
}
data.addMargins(insets);
}
protected void doFillPlusMinus(IBranchPart branch,
IPlusMinusPart plusMinus, LayoutInfo info) {
Point ref = info.getReference();
MainFishboneData fd = getCastedData(branch);
fd.setOrigin(ref);
Rectangle topicBounds = info.getCheckedClientArea();
topicBounds = fd.hf.tr(topicBounds);
IFigure figure = plusMinus.getFigure();
Dimension size = figure.getPreferredSize();
int x = topicBounds.right() + 1;
int y = ref.y - size.height / 2;
Rectangle r = new Rectangle(x, y, size.width, size.height);
info.put(figure, fd.hf.rr(r));
}
protected void doFillSubBranches(IBranchPart branch,
List<IBranchPart> subBranches, LayoutInfo info) {
double mainSpacing = getMajorSpacing(branch) * fMajor;
double subSpacing = getMinorSpacing(branch) * fMinor;
Point ref = info.getReference();
MainFishboneData fd = getCastedData(branch);
fd.setOrigin(ref);
Rectangle refBounds = info.getCheckedClientArea();
refBounds = fd.hf.tr(refBounds);
fd.upSide.start(refBounds.right() + mainSpacing);
fd.downSide.start(fd.upSide.right + subSpacing);
int num = subBranches.size();
IInsertion insertion = getCurrentInsertion(branch);
BoundaryLayoutHelper helper = getBoundaryLayoutHelper(branch);
// int y = ref.y;
Side lastSide = fd.downSide;
double width = 0.0;
for (int i = 0; i < num; i++) {
IBranchPart subBranch = subBranches.get(i);
IFigure subBranchFigure = subBranch.getFigure();
Insets ins = helper.getInsets(subBranch);
boolean upwards = getCastedData(branch).isUpwardBranch(i);
Side side = upwards ? fd.upSide : fd.downSide;
IPrecisionTransformer pvf = fd.pvf;
pvf.setEnabled(!upwards);
// PrecisionInsets fChildBorder = pvf.ti(fd.phf
// .ti(new PrecisionInsets(subBranchFigure.getInsets())));
PrecisionInsets fChildBorder = pvf.ti(fd.phf
.ti(new PrecisionInsets(ins)));
if (fChildBorder.left != 0) {
side.useRight = false;
}
PrecisionRectangle childBounds = new PrecisionRectangle();
double joint;
double rotatedBottom;
IBranchPolicy branchPolicy = subBranch.getBranchPolicy();
IStructure sa = branchPolicy.getStructure(subBranch);
FishboneData sub = getFishboneData(subBranch, sa);
if (sub != null) {
PrecisionInsets fChildBranchRotated = pvf.ti(fd.phf
.ti(sub.rBranchRefIns));
PrecisionInsets fChildBranchNormal = fd.phf
.ti(sub.branchRefIns);
PrecisionInsets fChildTopicNormal = fd.phf.ti(sub.topicRefIns);
double left = fChildBranchRotated.left + fChildBorder.left;
double bottom = fChildBranchRotated.bottom + mainSpacing
+ fChildBorder.bottom;
double jointOff = left
- (bottom * cos - fChildTopicNormal.bottom) / sin;
if (side.useRight) {
double rotatedSpacing = (fChildBranchNormal.top + fChildTopicNormal.bottom)
/ sin;
joint = side.rotatedBottom + rotatedSpacing;
} else {
joint = Math.max(side.right, side.right + jointOff);
}
if (!upwards || i > 0) {
joint = Math.max(joint, lastSide.lastJoint + subSpacing);
}
Dimension size = subBranchFigure.getPreferredSize();
childBounds.setSize(size.width, size.height);
childBounds.x = joint - jointOff;
if (side == fd.upSide) {
childBounds.y = ref.y - size.height - mainSpacing
- fChildBorder.bottom;
} else {
childBounds.y = ref.y + mainSpacing + fChildBorder.bottom;///////////
}
if (fChildBorder.getHeight() != 0)
if (width <= childBounds.right())
width = childBounds.right();
rotatedBottom = joint
+ (fChildBranchNormal.bottom - fChildTopicNormal.bottom)
/ sin + subSpacing;
} else {
PrecisionInsets childBranchNormal = new PrecisionInsets(
((IReferencedFigure) subBranchFigure)
.getReferenceDescription());
PrecisionInsets fChildBranchNormal = pvf.ti(fd.phf
.ti(childBranchNormal));
double bottom = fChildBranchNormal.bottom + mainSpacing;
double rotatedSpacing = fChildBranchNormal.top * cos / sin;
if (side.useRight) {
joint = side.rotatedBottom + rotatedSpacing;
} else {
joint = side.right;
}
if (!upwards || i > 0) {
joint = Math.max(joint, lastSide.lastJoint + subSpacing);
}
double jointOff = bottom * cos / sin;
Dimension size = subBranchFigure.getPreferredSize();
childBounds.setSize(size.width, size.height);
childBounds.x = joint + jointOff;
if (side == fd.upSide) {
childBounds.y = ref.y - size.height - mainSpacing
- fChildBorder.bottom;////
} else {
childBounds.y = ref.y + mainSpacing + fChildBorder.bottom;//
}
if (fChildBorder.getHeight() != 0)
if (width <= childBounds.right())
width = childBounds.right();
rotatedBottom = joint + fChildBranchNormal.getWidth()
+ fChildBranchNormal.bottom * cos / sin + subSpacing;
}
if (insertion != null && i >= insertion.getIndex()) {
childBounds.x += insertion.getSize().width;
}
IPrecisionTransformer phf = fd.phf;
PrecisionRectangle precRect = phf.rr(childBounds);
Rectangle rect = precRect.toDraw2DRectangle();
info.put(subBranchFigure, rect);
side.lastJoint = joint;
side.useRight = fChildBorder.right == 0;
side.rotatedBottom = rotatedBottom;
if (side.useRight)
side.right = childBounds.right() + subSpacing / 3;
else
side.right = width + subSpacing / 3;
lastSide = side;
}
}
private FishboneData getFishboneData(IBranchPart subBranch, IStructure sa) {
if (sa instanceof SubFishboneStructure) {
return ((SubFishboneStructure) sa).getCastedData(subBranch)
.getFishboneData();
}
return null;
}
protected Object createStructureData(IBranchPart branch) {
return new MainFishboneData(branch, direction.isTransformerEnabled());
}
protected boolean isValidStructureData(IBranchPart branch, Object data) {
return super.isValidStructureData(branch, data)
&& (data instanceof MainFishboneData);
}
protected MainFishboneData getCastedData(IBranchPart branch) {
return (MainFishboneData) super.getStructureData(branch);
}
public int calcChildDistance(IBranchPart branch, ParentSearchKey key) {
Point childRef = key.getFigure().getReference();
Point branchRef = getReference(branch);
MainFishboneData fd = getCastedData(branch);
fd.setOrigin(branchRef);
PrecisionPoint source = calcSourceAnchorLocation(branch);
int jointOffset = calcChildJointOffset(branch, key.getFeedback(),
source);
if (jointOffset > 0) {
int range;
Rectangle childrenNodesBounds = getChildrenNodesBounds(branch);
if (childrenNodesBounds != null) {
Rectangle r = fd.hf.tr(childrenNodesBounds);
range = r.right() - branchRef.x + MindMapUI.SEARCH_RANGE / 2;
} else {
range = MindMapUI.SEARCH_RANGE;
}
if (jointOffset < range) {
int dy = Math.abs(childRef.y - branchRef.y);
if (dy < MindMapUI.SEARCH_RANGE)
return dy;
}
}
return super.calcChildDistance(branch, key);
}
private PrecisionPoint calcSourceAnchorLocation(IBranchPart branch) {
return ((INodePart) branch.getTopicPart()).getSourceAnchor(branch)
.getLocation(getSourceOrientation(branch), 0);
}
private Rectangle getChildrenNodesBounds(IBranchPart branch) {
Rectangle r = null;
for (IBranchPart subbranch : branch.getSubBranches()) {
r = Geometry.union(r, subbranch.getTopicPart().getFigure()
.getBounds());
}
return r;
}
private int calcChildJointOffset(IBranchPart branch, IBranchPart child,
PrecisionPoint source) {
double angle = calcChildRotateAngle(branch, child);
PrecisionPoint target = calcChildTargetLocation(branch, child, source);
PrecisionDimension d = target.getDifference(source);
int w = (int) Math.floor(d.height / Math.tan(Math.toRadians(angle))
+ 0.0000001);
int offset = (int) Math.floor(d.width - w + 0.0000001);
if (direction == IMainDirection.RightHeaded)
return -offset;
return offset;
}
private PrecisionPoint calcChildTargetLocation(IBranchPart branch,
IBranchPart child, PrecisionPoint source) {
ITopicPart topic = child.getTopicPart();
if (topic instanceof INodePart) {
IAnchor anchor = ((INodePart) topic).getTargetAnchor(branch);
if (anchor != null) {
return anchor.getLocation(getChildTargetOrientation(branch,
child), 0);
}
}
return new PrecisionPoint(getReference(child));
}
public boolean isChildUpwards(IBranchPart branch, IBranchPart child) {
return isChildUpwards(branch, child, branch.getSubBranches().indexOf(
child));
}
private boolean isChildUpwards(IBranchPart branch, IBranchPart child,
int childIndex) {
if (childIndex < 0) {
Point branchRef = getReference(branch);
Point childRef = getReference(child);
return childRef.y < branchRef.y;
}
return getCastedData(branch).isUpwardBranch(childIndex);
}
private Point getReference(IBranchPart branch) {
ITopicPart topic = branch.getTopicPart();
if (topic != null)
return ((IReferencedFigure) topic.getFigure()).getReference();
return ((IReferencedFigure) branch.getFigure()).getReference();
}
private double calcChildRotateAngle(IBranchPart branch, IBranchPart child) {
return isChildUpwards(branch, child) ? direction.getUpRotated()
.getRotateAngle() : direction.getDownRotated().getRotateAngle();
// return direction.getChildRotateAngle(isChildUpwards(branch, child));
}
public int calcChildIndex(IBranchPart branch, ParentSearchKey key) {
return calcChildIndex(branch, key, false);
}
private int calcChildIndex(IBranchPart branch, ParentSearchKey key,
boolean withDisabled) {
if (branch.getSubBranches().isEmpty() || branch.isFolded())
return withDisabled ? 0 : -1;
PrecisionPoint source = calcSourceAnchorLocation(branch);
int jointOffset = calcChildJointOffset(branch, key.getFeedback(),
source);
List<IBranchPart> subBranches = branch.getSubBranches();
int num = subBranches.size();
IInsertion lastInsertion = getCurrentInsertion(branch);
int ret = 0;
for (int i = 0; i < num; i++) {
IBranchPart subBranch = subBranches.get(i);
int j = calcChildJointOffset(branch, subBranch, source);
if (lastInsertion != null && i >= lastInsertion.getIndex()) {
j -= lastInsertion.getSize().width;
}
int hint = j;
if (jointOffset < hint)
return ret;
if (withDisabled || subBranch.getFigure().isEnabled())
ret++;
}
return withDisabled ? num : -1;
}
private static final Dimension INSERTION_SIZE = new Dimension(30, 1);
public IInsertion calcInsertion(IBranchPart branch, ParentSearchKey key) {
return new Insertion(branch, calcChildIndex(branch, key, true),
INSERTION_SIZE);
}
public IPart calcChildNavigation(IBranchPart branch,
IBranchPart sourceChild, String navReqType, boolean sequential) {
if (GEF.REQ_NAV_DOWN.equals(navReqType)
|| GEF.REQ_NAV_UP.equals(navReqType)) {
int childIndex = sourceChild.getBranchIndex();
boolean upwards = isChildUpwards(branch, sourceChild, childIndex);
if ((upwards && GEF.REQ_NAV_DOWN.equals(navReqType))
|| (!upwards && GEF.REQ_NAV_UP.equals(navReqType))) {
for (int i = childIndex - 1; i >= 0; i--) {
IBranchPart sub = branch.getSubBranches().get(i);
if (isChildUpwards(branch, sub, i) != upwards)
return sub.getTopicPart();
}
return getSubTopicPart(branch, childIndex + 1);
}
} else {
boolean next = (direction == IMainDirection.LeftHeaded && GEF.REQ_NAV_RIGHT
.equals(navReqType))
|| (direction == IMainDirection.RightHeaded && GEF.REQ_NAV_LEFT
.equals(navReqType));
boolean prev = (direction == IMainDirection.LeftHeaded && GEF.REQ_NAV_LEFT
.equals(navReqType))
|| (direction == IMainDirection.RightHeaded && GEF.REQ_NAV_RIGHT
.equals(navReqType));
if (next || prev) {
int childIndex = sourceChild.getBranchIndex();
boolean upwards = isChildUpwards(branch, sourceChild,
childIndex);
for (int i = prev ? childIndex - 1 : childIndex + 1; prev ? i >= 0
: i < branch.getSubBranches().size();) {
IBranchPart sub = branch.getSubBranches().get(i);
if (isChildUpwards(branch, sourceChild, i) == upwards) {
return sub.getTopicPart();
}
if (prev) {
i--;
} else {
i++;
}
}
if (prev && !sequential) {
IPart prevTopic = getSubTopicPart(branch, childIndex - 1);
if (prevTopic != null)
return prevTopic;
return branch.getTopicPart();
}
return getSubTopicPart(branch, childIndex + 1);
}
}
return super.calcChildNavigation(branch, sourceChild, navReqType,
sequential);
}
public IPart calcNavigation(IBranchPart branch, String navReqType) {
if (direction == IMainDirection.RightHeaded) {
if (GEF.REQ_NAV_LEFT.equals(navReqType)) {
return getSubTopicPart(branch, 0);
}
} else {
if (GEF.REQ_NAV_RIGHT.equals(navReqType)) {
return getSubTopicPart(branch, 0);
}
}
return super.calcNavigation(branch, navReqType);
}
public int getChildTargetOrientation(IBranchPart branch,
IBranchPart subBranch) {
int index = branch.getSubBranches().indexOf(subBranch);
if (index < 0)
return direction == IMainDirection.RightHeaded ? PositionConstants.EAST
: PositionConstants.WEST;
if (isChildUpwards(branch, subBranch, index)) {
if (direction == IMainDirection.RightHeaded)
return PositionConstants.EAST;
return PositionConstants.WEST;
}
if (direction == IMainDirection.RightHeaded)
return PositionConstants.WEST;
return PositionConstants.EAST;
}
public int getSourceOrientation(IBranchPart branch) {
if (direction == IMainDirection.RightHeaded)
return PositionConstants.WEST;
return PositionConstants.EAST;
}
public int getRangeGrowthDirection(IBranchPart branch,
IBranchRangePart range) {
if (direction == IMainDirection.RightHeaded)
return PositionConstants.WEST;
return PositionConstants.EAST;
}
public int getSummaryDirection(IBranchPart branch, ISummaryPart summary) {
List<IBranchPart> enclosing = summary.getEnclosingBranches();
if (!enclosing.isEmpty()) {
if (getCastedData(branch).isUpwardBranch(
enclosing.get(0).getBranchIndex()))
return PositionConstants.NORTH;
return PositionConstants.SOUTH;
}
return PositionConstants.NORTH;
}
public int getQuickMoveOffset(IBranchPart branch, IBranchPart child,
int direction) {
if (direction == PositionConstants.EAST) {
if (this.direction == IMainDirection.RightHeaded)
return -1;
return 1;
} else if (direction == PositionConstants.WEST) {
if (this.direction == IMainDirection.RightHeaded)
return 1;
return -1;
}
return super.getQuickMoveOffset(branch, child, direction);
}
}