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/*******************************************************************************
* Copyright (c) 2004, 2007 Mylyn project committers and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.editors;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ToolBarManager;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.mylyn.internal.provisional.commons.ui.CommonImages;
import org.eclipse.mylyn.internal.tasks.core.TaskComment;
import org.eclipse.mylyn.tasks.core.IRepositoryPerson;
import org.eclipse.mylyn.tasks.core.ITaskComment;
import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
import org.eclipse.mylyn.tasks.ui.TasksUiImages;
import org.eclipse.mylyn.tasks.ui.editors.AbstractAttributeEditor;
import org.eclipse.mylyn.tasks.ui.editors.AbstractTaskEditorPart;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.forms.IFormColors;
import org.eclipse.ui.forms.events.ExpansionAdapter;
import org.eclipse.ui.forms.events.ExpansionEvent;
import org.eclipse.ui.forms.events.HyperlinkAdapter;
import org.eclipse.ui.forms.events.HyperlinkEvent;
import org.eclipse.ui.forms.widgets.ExpandableComposite;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.ImageHyperlink;
import org.eclipse.ui.forms.widgets.Section;
/**
* @author Robert Elves
* @author Steffen Pingel
*/
public class TaskEditorCommentPart extends AbstractTaskEditorPart {
private static final String KEY_EDITOR = "viewer";
private static final int DESCRIPTION_WIDTH = 79 * 7; // 500;
private static final String LABEL_REPLY = "Reply";
private Section section;
private List<ExpandableComposite> commentComposites;
private List<TaskAttribute> comments;
private boolean hasIncoming;
public TaskEditorCommentPart() {
setPartName("Comments");
}
private void expandComment(FormToolkit toolkit, Composite composite, Composite toolBarComposite,
final TaskComment taskComment, boolean expanded) {
toolBarComposite.setVisible(expanded);
if (expanded && composite.getData(KEY_EDITOR) == null) {
// create viewer
TaskAttribute textAttribute = getTaskData().getAttributeMapper().getAssoctiatedAttribute(
taskComment.getTaskAttribute());
AbstractAttributeEditor editor = createAttributeEditor(textAttribute);
if (editor != null) {
editor.setDecorationEnabled(false);
editor.createControl(composite, toolkit);
editor.getControl().addMouseListener(new MouseAdapter() {
@Override
public void mouseDown(MouseEvent e) {
getTaskEditorPage().selectionChanged(taskComment);
}
});
composite.setData(KEY_EDITOR, editor);
GridDataFactory.fillDefaults().hint(DESCRIPTION_WIDTH, SWT.DEFAULT).applyTo(editor.getControl());
getTaskEditorPage().getAttributeEditorToolkit().adapt(editor);
getTaskEditorPage().reflow();
}
} else if (!expanded && composite.getData(KEY_EDITOR) != null) {
// dispose viewer
AbstractAttributeEditor editor = (AbstractAttributeEditor) composite.getData(KEY_EDITOR);
editor.getControl().setMenu(null);
editor.getControl().dispose();
composite.setData(KEY_EDITOR, null);
getTaskEditorPage().reflow();
}
getTaskEditorPage().selectionChanged(taskComment);
}
private void initialize() {
comments = getTaskData().getAttributeMapper().getAttributesByType(getTaskData(), TaskAttribute.TYPE_COMMENT);
if (comments.size() > 0) {
for (TaskAttribute commentAttribute : comments) {
if (getModel().hasIncomingChanges(commentAttribute)) {
hasIncoming = true;
break;
}
}
}
}
@Override
public void createControl(Composite parent, final FormToolkit toolkit) {
initialize();
section = createSection(parent, toolkit, hasIncoming);
section.setText(section.getText() + " (" + comments.size() + ")");
final Composite composite = toolkit.createComposite(section);
section.setClient(composite);
composite.setLayout(new GridLayout(1, false));
GridDataFactory.fillDefaults().grab(true, false).applyTo(composite);
if (comments.isEmpty()) {
section.setEnabled(false);
} else {
commentComposites = new ArrayList<ExpandableComposite>();
for (final TaskAttribute commentAttribute : comments) {
boolean hasIncomingChanges = getModel().hasIncomingChanges(commentAttribute);
final TaskComment taskComment = new TaskComment(getModel().getTaskRepository(), getModel().getTask(),
commentAttribute);
getTaskData().getAttributeMapper().updateTaskComment(taskComment, commentAttribute);
int style = ExpandableComposite.TREE_NODE | ExpandableComposite.LEFT_TEXT_CLIENT_ALIGNMENT;
if (hasIncomingChanges) {
style |= ExpandableComposite.EXPANDED;
}
final ExpandableComposite commentComposite = toolkit.createExpandableComposite(composite, style);
commentComposite.setLayout(new GridLayout());
commentComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
commentComposite.setTitleBarForeground(toolkit.getColors().getColor(IFormColors.TITLE));
commentComposites.add(commentComposite);
// always visible
Composite titleComposite = toolkit.createComposite(commentComposite);
commentComposite.setTextClient(titleComposite);
RowLayout rowLayout = new RowLayout();
rowLayout.pack = true;
rowLayout.marginLeft = 0;
rowLayout.marginBottom = 0;
rowLayout.marginTop = 0;
titleComposite.setLayout(rowLayout);
titleComposite.setBackground(null);
ImageHyperlink expandCommentHyperlink = createTitleHyperLink(toolkit, titleComposite, taskComment);
expandCommentHyperlink.setFont(commentComposite.getFont());
expandCommentHyperlink.addHyperlinkListener(new HyperlinkAdapter() {
@Override
public void linkActivated(HyperlinkEvent e) {
EditorUtil.toggleExpandableComposite(!commentComposite.isExpanded(), commentComposite);
}
});
// only visible when section is expanded
final Composite buttonComposite = toolkit.createComposite(titleComposite);
RowLayout buttonCompLayout = new RowLayout();
buttonCompLayout.marginBottom = 0;
buttonCompLayout.marginTop = 0;
buttonComposite.setLayout(buttonCompLayout);
buttonComposite.setBackground(null);
buttonComposite.setVisible(commentComposite.isExpanded());
createReplyHyperlink(buttonComposite, toolkit, taskComment);
final Composite commentTextComposite = toolkit.createComposite(commentComposite);
commentComposite.setClient(commentTextComposite);
GridLayout ecLayout = new GridLayout();
ecLayout.marginHeight = 0;
ecLayout.marginBottom = 3;
ecLayout.marginLeft = 15;
commentTextComposite.setLayout(ecLayout);
commentTextComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
// TODO code for outline
//getTaskEditorPage().addSelectableControl(taskComment, expandableComposite);
commentComposite.addExpansionListener(new ExpansionAdapter() {
@Override
public void expansionStateChanged(ExpansionEvent event) {
expandComment(toolkit, commentTextComposite, buttonComposite, taskComment, event.getState());
}
});
if (hasIncomingChanges) {
commentComposite.setBackground(getTaskEditorPage().getAttributeEditorToolkit().getColorIncoming());
expandComment(toolkit, commentTextComposite, buttonComposite, taskComment, true);
}
}
}
setSection(toolkit, section);
}
private ImageHyperlink createTitleHyperLink(final FormToolkit toolkit, final Composite toolbarComp,
final ITaskComment taskComment) {
ImageHyperlink formHyperlink = toolkit.createImageHyperlink(toolbarComp, SWT.NONE);
formHyperlink.setBackground(null);
formHyperlink.setForeground(toolkit.getColors().getColor(IFormColors.TITLE));
IRepositoryPerson author = taskComment.getAuthor();
if (author != null
&& author.getPersonId().equalsIgnoreCase(getTaskEditorPage().getTaskRepository().getUserName())) {
formHyperlink.setImage(CommonImages.getImage(CommonImages.PERSON_ME_NARROW));
} else {
formHyperlink.setImage(CommonImages.getImage(CommonImages.PERSON_NARROW));
}
StringBuilder sb = new StringBuilder();
if (taskComment.getNumber() >= 0) {
sb.append(taskComment.getNumber());
sb.append(": ");
}
if (author != null) {
if (author.getName() != null) {
sb.append(author.getName());
formHyperlink.setToolTipText(author.getPersonId());
} else {
sb.append(author.getPersonId());
}
}
if (taskComment.getCreationDate() != null) {
sb.append(", ");
sb.append(getTaskEditorPage().getAttributeEditorToolkit().formatDate(taskComment.getCreationDate()));
}
formHyperlink.setText(sb.toString());
formHyperlink.setEnabled(true);
formHyperlink.setUnderlined(false);
return formHyperlink;
}
private ImageHyperlink createReplyHyperlink(Composite composite, FormToolkit toolkit, final ITaskComment taskComment) {
final ImageHyperlink replyLink = new ImageHyperlink(composite, SWT.NULL);
toolkit.adapt(replyLink, true, true);
replyLink.setImage(CommonImages.getImage(TasksUiImages.COMMENT_REPLY));
replyLink.setToolTipText(LABEL_REPLY);
// no need for the background - transparency will take care of it
replyLink.setBackground(null);
// replyLink.setBackground(section.getTitleBarGradientBackground());
replyLink.addHyperlinkListener(new HyperlinkAdapter() {
@Override
public void linkActivated(HyperlinkEvent e) {
AbstractReplyToCommentAction.reply(getTaskEditorPage(), taskComment, taskComment.getText());
}
@Override
public void linkEntered(HyperlinkEvent e) {
replyLink.setUnderlined(true);
}
@Override
public void linkExited(HyperlinkEvent e) {
replyLink.setUnderlined(false);
}
});
return replyLink;
}
@Override
protected void fillToolBar(ToolBarManager barManager) {
if (comments.isEmpty()) {
return;
}
Action collapseAllAction = new Action("") {
@Override
public void run() {
hideAllComments();
}
};
collapseAllAction.setImageDescriptor(CommonImages.COLLAPSE_ALL);
collapseAllAction.setToolTipText("Collapse All Comments");
barManager.add(collapseAllAction);
Action expandAllAction = new Action("") {
@Override
public void run() {
expandAllComments();
}
};
expandAllAction.setImageDescriptor(CommonImages.EXPAND_ALL);
expandAllAction.setToolTipText("Expand All Comments");
barManager.add(expandAllAction);
}
private void hideAllComments() {
try {
getTaskEditorPage().setReflow(false);
for (ExpandableComposite composite : commentComposites) {
if (composite.isDisposed()) {
continue;
}
if (composite.isExpanded()) {
EditorUtil.toggleExpandableComposite(false, composite);
}
}
} finally {
getTaskEditorPage().setReflow(true);
}
getTaskEditorPage().reflow();
}
private void expandAllComments() {
try {
getTaskEditorPage().setReflow(false);
if (section != null) {
section.setExpanded(true);
}
for (ExpandableComposite composite : commentComposites) {
if (composite.isDisposed()) {
continue;
}
if (!composite.isExpanded()) {
EditorUtil.toggleExpandableComposite(true, composite);
}
}
} finally {
getTaskEditorPage().setReflow(true);
}
getTaskEditorPage().reflow();
}
}
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