package org.xmind.ui.internal.spreadsheet;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.osgi.util.NLS;
import org.xmind.core.ITopic;
import org.xmind.core.IWorkbook;
import org.xmind.core.event.CoreEvent;
import org.xmind.core.event.ICoreEventRegister;
import org.xmind.gef.ArraySourceProvider;
import org.xmind.gef.EditDomain;
import org.xmind.gef.ISourceProvider;
import org.xmind.gef.IViewer;
import org.xmind.gef.command.Command;
import org.xmind.gef.command.CompoundCommand;
import org.xmind.gef.command.ICommandStack;
import org.xmind.gef.graphicalpolicy.IStructure;
import org.xmind.gef.part.IPart;
import org.xmind.ui.branch.IBranchPolicy;
import org.xmind.ui.commands.AddTopicCommand;
import org.xmind.ui.commands.CreateTopicCommand;
import org.xmind.ui.commands.ModifyLabelCommand;
import org.xmind.ui.commands.ModifyTitleTextCommand;
import org.xmind.ui.internal.MindMapMessages;
import org.xmind.ui.internal.spreadsheet.structures.Chart2;
import org.xmind.ui.internal.spreadsheet.structures.Row2;
import org.xmind.ui.internal.spreadsheet.structures.SpreadsheetColumnStructure;
import org.xmind.ui.mindmap.AbstractInfoItemContributor;
import org.xmind.ui.mindmap.IBranchPart;
import org.xmind.ui.mindmap.IInfoPart;
import org.xmind.ui.mindmap.ITopicPart;
import org.xmind.ui.util.MindMapUtils;
public class AddRowInfoItemContributor extends AbstractInfoItemContributor {
private static class AddRowAction extends Action {
private IViewer viewer;
private ITopic chartTopic;
public AddRowAction(IViewer viewer, ITopic chartTopic) {
this.viewer = viewer;
this.chartTopic = chartTopic;
}
public void run() {
EditDomain domain = viewer.getEditDomain();
if (domain == null)
return;
ICommandStack cs = domain.getCommandStack();
if (cs == null)
return;
IPart part = viewer.findPart(chartTopic);
IBranchPart branch = MindMapUtils.findBranch(part);
if (branch == null)
return;
IStructure sa = branch.getBranchPolicy().getStructure(branch);
if (sa instanceof SpreadsheetColumnStructure) {
SpreadsheetColumnStructure ca = (SpreadsheetColumnStructure) sa;
Chart2 chart = ca.getChart(branch);
String newRowTitle = createRowHead(branch, chart);
List<Command> cmds = new ArrayList<Command>();
List<ITopic> children = chartTopic.getChildren(ITopic.ATTACHED);
ISourceProvider colProvider;
IWorkbook workbook = chartTopic.getOwnedWorkbook();
int childrenSize;
if (children.isEmpty()) {
CreateTopicCommand createCol = new CreateTopicCommand(
workbook);
cmds.add(createCol);
colProvider = createCol;
cmds.add(createSetTitleTextCommand(chartTopic.isRoot(),
chartTopic.getChildren(ITopic.ATTACHED).size(),
colProvider));
cmds.add(new AddTopicCommand(colProvider, chartTopic));
childrenSize = 0;
} else {
ITopic colTopic = children.get(0);
colProvider = new ArraySourceProvider(colTopic);
childrenSize = colTopic.getChildren(ITopic.ATTACHED).size();
}
CreateTopicCommand createCell = new CreateTopicCommand(
workbook);
cmds.add(createCell);
cmds.add(createSetTitleTextCommand(false, childrenSize,
createCell));
cmds.add(new ModifyLabelCommand(createCell,
Collections.singletonList(newRowTitle)));
cmds.add(new AddTopicCommand(createCell, colProvider));
cs.execute(new CompoundCommand(Messages.Command_AddRow, cmds));
viewer.setSelection(
new StructuredSelection(createCell.getSource()));
}
}
private Command createSetTitleTextCommand(boolean isRoot,
int childrenSize, ISourceProvider sourceProvider) {
String newTitle;
int index = childrenSize + 1;
if (isRoot) {
newTitle = NLS.bind(MindMapMessages.TitleText_MainTopic, index);
} else {
newTitle = NLS.bind(MindMapMessages.TitleText_Subtopic, index);
}
return new ModifyTitleTextCommand(sourceProvider, newTitle);
}
private String createRowHead(IBranchPart branch, Chart2 chart) {
int numRows = chart.getNumValidRows();
String newColumnHead = NLS.bind(Messages.Label_pattern,
numRows + 1);
while (containsRowHead(branch, chart, newColumnHead)) {
numRows++;
String newName = NLS.bind(Messages.Label_pattern, numRows + 1);
if (newColumnHead.equals(newName))
break;
newColumnHead = newName;
}
return newColumnHead;
}
private boolean containsRowHead(IBranchPart branch, Chart2 chart,
String newColumnTitle) {
for (Row2 row : chart.getRows()) {
if (newColumnTitle.equals(row.getHead().toString()))
return true;
}
return false;
}
}
public IAction createAction(ITopicPart topicPart, ITopic topic) {
IBranchPart branch = MindMapUtils.findBranch(topicPart);
if (branch != null) {
IViewer viewer = branch.getSite().getViewer();
if (viewer != null) {
if (isStructureAlgorithmId(branch,
Spreadsheet.SPREADSHEET_STRUCTURE_COLUMN_ID)) {
return new AddRowAction(viewer, topic);
}
}
}
return null;
}
private boolean isStructureAlgorithmId(IBranchPart branch,
String expectedValue) {
String id = (String) MindMapUtils.getCache(branch,
IBranchPolicy.CACHE_STRUCTURE_ID);
// if (id == null)
// return expectedValue != null;
return id != null && id.equals(expectedValue);
}
protected void registerTopicEvent(ITopicPart topicPart, ITopic topic,
ICoreEventRegister register) {
}
protected void handleTopicEvent(IInfoPart infoPart, CoreEvent event) {
}
protected void handleTopicEvent(ITopicPart topicPart, CoreEvent event) {
}
}