/* ******************************************************************************
* 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.spreadsheet.structures;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Insets;
import org.eclipse.draw2d.geometry.Rectangle;
import org.xmind.ui.branch.BranchStructureData;
import org.xmind.ui.branch.IInsertion;
import org.xmind.ui.internal.spreadsheet.Spreadsheet;
import org.xmind.ui.mindmap.IBoundaryPart;
import org.xmind.ui.mindmap.IBranchPart;
import org.xmind.ui.util.MindMapUtils;
public class Cell extends BranchStructureData {
private Chart ownedChart;
private Row ownedRow;
private Column ownedColumn;
private List<Item> items = new ArrayList<Item>();
private Dimension prefContentSize = null;
private int contentHeight = -1;
private Rectangle bounds = null;
public Cell(Chart ownedChart, Row ownedRow, Column ownedColumn) {
super(ownedRow.getHead());
this.ownedChart = ownedChart;
this.ownedRow = ownedRow;
this.ownedColumn = ownedColumn;
}
public Chart getOwnedChart() {
return ownedChart;
}
public Column getOwnedColumn() {
return ownedColumn;
}
public Row getOwnedRow() {
return ownedRow;
}
void addItem(Item item) {
items.add(item);
item.setOwnedCell(this);
}
void removeItem(Item item) {
items.remove(item);
item.setOwnedCell(null);
}
public List<Item> getItems() {
return items;
}
public Dimension getPrefContentSize() {
if (prefContentSize == null) {
prefContentSize = calcPrefContentSize();
}
return prefContentSize;
}
private Dimension calcPrefContentSize() {
int w = 0;
int h = 0;
int minorSpacing = getOwnedRow().getMinorSpacing();
Iterator<Item> it = items.iterator();
while (it.hasNext()) {
int bw = 0;
int bh = 0;
Item item = it.next();
IBranchPart parent = item.getBranch().getParentBranch();
if (parent != null) {
List<IBoundaryPart> boundaries = parent.getBoundaries();
if (!boundaries.isEmpty()) {
for (IBoundaryPart boundary : boundaries) {
List<IBranchPart> enclosingBranches = boundary
.getEnclosingBranches();
if (enclosingBranches.contains(item.getBranch())) {
Insets ins = boundary.getFigure().getInsets();
bw = ins.getWidth();
if (boundary.getTitle() != null
&& boundary.getTitle().getFigure() != null)
bw += 5;
}
if ((!enclosingBranches.isEmpty()) && item.getBranch()
.equals(enclosingBranches.get(0))) {
bh = boundary.getFigure().getInsets().getHeight();
if (boundary.getTitle() != null && boundary
.getTitle().getFigure() != null) {
Dimension s = boundary.getTitle().getFigure()
.getPreferredSize();
bh += s.height;
}
}
}
}
}
IFigure itemFigure = item.getBranch().getFigure();
Dimension size = itemFigure.getPreferredSize();
w = Math.max(w, size.width + bw);
h += size.height;
if (it.hasNext())
h += minorSpacing + bh;
}
return new Dimension(w, h);
}
public int getContentHeight() {
if (contentHeight < 0) {
contentHeight = calcContentHeight();
}
return contentHeight;
}
private int calcContentHeight() {
if (!items.isEmpty()) {
Item first = items.get(0);
Item last = items.get(items.size() - 1);
int height = last.getBranch().getFigure().getBounds().bottom()
- first.getBranch().getFigure().getBounds().y;
IInsertion ins = (IInsertion) MindMapUtils.getCache(getBranch(),
IInsertion.CACHE_INSERTION);
if (ins != null
&& (ins.getIndex() == 0 || ins.getIndex() == items.size())
&& getOwnedColumn().getHead()
.equals(MindMapUtils.getCache(getBranch(),
Spreadsheet.KEY_INSERTION_COLUMN_HEAD))) {
height += ins.getSize().height
+ getOwnedRow().getMinorSpacing();
}
int bh = 0;
for (Item item : items) {
IBranchPart parent = item.getBranch().getParentBranch();
if (parent != null) {
List<IBoundaryPart> boundaries = parent.getBoundaries();
if (!boundaries.isEmpty()) {
for (IBoundaryPart boundary : boundaries) {
List<IBranchPart> enclosingBranches = boundary
.getEnclosingBranches();
if ((!enclosingBranches.isEmpty())
&& item.getBranch()
.equals(enclosingBranches.get(0))) {
bh = boundary.getFigure().getInsets()
.getHeight()
- getOwnedChart().getMinorSpacing();
if (boundary.getTitle() != null && boundary
.getTitle().getFigure() != null) {
Dimension s = boundary.getTitle()
.getFigure().getPreferredSize();
bh += s.height;
}
}
}
}
}
}
return height + bh;
}
return 0;
}
public Item findItem(IBranchPart itemBranch) {
for (Item item : items) {
if (item.getBranch() == itemBranch)
return item;
}
return null;
}
public Item getPreviousItem(Item item) {
int index = getItemIndex(item);
if (index > 0)
return items.get(index - 1);
return null;
}
public Item getNextItem(Item item) {
int index = getItemIndex(item);
if (index < items.size() - 1)
return items.get(index + 1);
return null;
}
public int getItemIndex(Item item) {
return items.indexOf(item);
}
public int getX() {
return getOwnedColumn().getLeft();
}
public int getY() {
return getOwnedRow().getTop();
}
public int getWidth() {
return getOwnedColumn().getWidth();
}
public int getHeight() {
return getOwnedRow().getHeight();
}
public Rectangle getBounds() {
if (bounds == null) {
bounds = new Rectangle(getX(), getY(), getWidth(), getHeight());
}
return bounds;
}
public String toString() {
return "[" + getOwnedRow().toString() + ", " //$NON-NLS-1$ //$NON-NLS-2$
+ getOwnedColumn().toString() + "]"; //$NON-NLS-1$
}
}
