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/*******************************************************************************
* Copyright (c) 2011 Frank Becker 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
*
* Contributors:
* Frank Becker - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.bugzilla.ui.editor;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import org.eclipse.jface.action.ToolBarManager;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.mylyn.commons.ui.CommonUiUtil;
import org.eclipse.mylyn.internal.bugzilla.core.BugzillaAttribute;
import org.eclipse.mylyn.internal.tasks.ui.editors.EditorUtil;
import org.eclipse.mylyn.internal.tasks.ui.notifications.TaskDiffUtil;
import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
import org.eclipse.mylyn.tasks.ui.editors.AbstractAttributeEditor;
import org.eclipse.mylyn.tasks.ui.editors.AbstractTaskEditorPart;
import org.eclipse.mylyn.tasks.ui.editors.LayoutHint;
import org.eclipse.mylyn.tasks.ui.editors.LayoutHint.ColumnSpan;
import org.eclipse.mylyn.tasks.ui.editors.LayoutHint.RowSpan;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
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.swt.widgets.Label;
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.widgets.ExpandableComposite;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.Section;
@SuppressWarnings("restriction")
public class BugzillaFlagPart extends AbstractTaskEditorPart {
private static final int LABEL_WIDTH = 110;
private static final int COLUMN_WIDTH = 140;
private static final int COLUMN_GAP = 20;
private static final int MULTI_COLUMN_WIDTH = COLUMN_WIDTH + 5 + COLUMN_GAP + LABEL_WIDTH + 5 + COLUMN_WIDTH;
private static final int MULTI_ROW_HEIGHT = 55;
private boolean hasIncoming;
private List<AbstractAttributeEditor> flagEditors;
private String infoOverlayText = null;
private String infoOverlayTooltipText = null;
public BugzillaFlagPart() {
setPartName(Messages.BugzillaFlagPart_Flags_PartName);
}
@Override
public void createControl(Composite parent, FormToolkit toolkit) {
initialize();
int style = ExpandableComposite.TWISTIE | ExpandableComposite.LEFT_TEXT_CLIENT_ALIGNMENT;
if (hasIncoming) {
style |= ExpandableComposite.EXPANDED;
}
Section flagSection = createSection(parent, toolkit, style);
EditorUtil.setTitleBarForeground(flagSection, toolkit.getColors().getColor(IFormColors.TITLE));
GridLayout gl = new GridLayout();
GridData gd = new GridData(SWT.FILL, SWT.NONE, false, false);
gd.horizontalSpan = 4;
flagSection.setLayout(gl);
flagSection.setLayoutData(gd);
Composite flagComposite = toolkit.createComposite(flagSection);
GridLayout flagsLayout = EditorUtil.createSectionClientLayout();
flagsLayout.numColumns = 4;
flagsLayout.horizontalSpacing = 7;
flagsLayout.verticalSpacing = 6;
flagComposite.setLayout(flagsLayout);
GridData flagsData = new GridData(GridData.FILL_BOTH);
flagsData.horizontalSpan = 1;
flagsData.grabExcessVerticalSpace = false;
flagComposite.setLayoutData(flagsData);
GridDataFactory.fillDefaults().align(SWT.FILL, SWT.TOP).grab(true, false).applyTo(flagComposite);
createAttributeControls(flagComposite, toolkit, flagsLayout.numColumns);
flagSection.setClient(flagComposite);
toolkit.paintBordersFor(flagComposite);
setSection(toolkit, flagSection);
}
private void initialize() {
hasIncoming = false;
flagEditors = new ArrayList<AbstractAttributeEditor>();
int used = 0;
int unused = 0;
String usedDetail = ""; //$NON-NLS-1$
String unusedDetail = ""; //$NON-NLS-1$
Map<String, TaskAttribute> attributes = getTaskData().getRoot().getAttributes();
for (TaskAttribute attribute : attributes.values()) {
if (!BugzillaAttribute.KIND_FLAG.equals(attribute.getMetaData().getKind())) {
continue;
}
TaskAttribute stateAttribute = attribute.getAttribute("state"); //$NON-NLS-1$
if (stateAttribute == null) {
continue;
}
String val = stateAttribute.getValue();
if (val != null && !val.equals("") && !val.equals(" ")) { //$NON-NLS-1$ //$NON-NLS-2$
if (used > 0) {
usedDetail += ", "; //$NON-NLS-1$
}
used++;
usedDetail += stateAttribute.getMetaData().getLabel();
} else {
if (unused > 0) {
unusedDetail += ", "; //$NON-NLS-1$
}
unused++;
unusedDetail += stateAttribute.getMetaData().getLabel();
}
AbstractAttributeEditor attributeEditor = createAttributeEditor(attribute);
if (attributeEditor != null) {
flagEditors.add(attributeEditor);
if (getModel().hasIncomingChanges(attribute)) {
hasIncoming = true;
}
}
}
Comparator<AbstractAttributeEditor> attributeSorter = createAttributeEditorSorter();
if (attributeSorter != null) {
Collections.sort(flagEditors, attributeSorter);
}
if (used > 0) {
infoOverlayText = NLS.bind(
" " + Messages.BugzillaFlagPart_Fleg_Section_Title, "" + (unused + used), "" + used); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
} else {
infoOverlayText = NLS.bind(" " + Messages.BugzillaFlagPart_Fleg_Section_Title_Short, "" + (unused + used)); //$NON-NLS-1$ //$NON-NLS-2$
}
usedDetail = NLS.bind(
"{0} {1}", used == 1 ? Messages.BugzillaFlagPart_used_flag + Messages.BugzillaFlagPart_is : Messages.BugzillaFlagPart_used_flags + Messages.BugzillaFlagPart_are, usedDetail); //$NON-NLS-1$
unusedDetail = NLS.bind(
"{0} {1}", unused == 1 ? Messages.BugzillaFlagPart_unused_flag + Messages.BugzillaFlagPart_is : Messages.BugzillaFlagPart_unused_flags + Messages.BugzillaFlagPart_are, unusedDetail); //$NON-NLS-1$
if (used > 0 && unused > 0) {
infoOverlayTooltipText = NLS.bind("{0}\n{1}", usedDetail, unusedDetail); //$NON-NLS-1$
} else {
infoOverlayTooltipText = used > 0 ? usedDetail : unusedDetail;
}
}
/**
* Create a comparator by which attribute editors will be sorted. By default attribute editors are sorted by layout
* hint priority. Subclasses may override this method to sort attribute editors in a custom way.
*
* @return comparator for {@link AbstractAttributeEditor} objects
*/
protected Comparator<AbstractAttributeEditor> createAttributeEditorSorter() {
return new Comparator<AbstractAttributeEditor>() {
public int compare(AbstractAttributeEditor o1, AbstractAttributeEditor o2) {
int p1 = (o1.getLayoutHint() != null) ? o1.getLayoutHint().getPriority() : LayoutHint.DEFAULT_PRIORITY;
int p2 = (o2.getLayoutHint() != null) ? o2.getLayoutHint().getPriority() : LayoutHint.DEFAULT_PRIORITY;
return p1 - p2;
}
};
}
private void createAttributeControls(Composite attributesComposite, FormToolkit toolkit, int columnCount) {
int currentColumn = 1;
int currentPriority = 0;
for (AbstractAttributeEditor attributeEditor : flagEditors) {
int priority = (attributeEditor.getLayoutHint() != null)
? attributeEditor.getLayoutHint().getPriority()
: LayoutHint.DEFAULT_PRIORITY;
if (priority != currentPriority) {
currentPriority = priority;
if (currentColumn > 1) {
while (currentColumn <= columnCount) {
getManagedForm().getToolkit().createLabel(attributesComposite, ""); //$NON-NLS-1$
currentColumn++;
}
currentColumn = 1;
}
}
if (attributeEditor.hasLabel()) {
attributeEditor.createLabelControl(attributesComposite, toolkit);
Label label = attributeEditor.getLabelControl();
String text = label.getText();
String shortenText = TaskDiffUtil.shortenText(label, text, LABEL_WIDTH);
label.setText(shortenText);
if (!text.equals(shortenText)) {
label.setToolTipText(text);
}
GridData gd = GridDataFactory.fillDefaults()
.align(SWT.RIGHT, SWT.CENTER)
.hint(LABEL_WIDTH, SWT.DEFAULT)
.create();
if (currentColumn > 1) {
gd.horizontalIndent = COLUMN_GAP;
gd.widthHint = LABEL_WIDTH + COLUMN_GAP;
}
label.setLayoutData(gd);
currentColumn++;
}
attributeEditor.createControl(attributesComposite, toolkit);
LayoutHint layoutHint = attributeEditor.getLayoutHint();
GridData gd = new GridData(SWT.FILL, SWT.CENTER, false, false);
if (layoutHint != null
&& !(layoutHint.rowSpan == RowSpan.SINGLE && layoutHint.columnSpan == ColumnSpan.SINGLE)) {
if (layoutHint.rowSpan == RowSpan.MULTIPLE) {
gd.heightHint = MULTI_ROW_HEIGHT;
}
if (layoutHint.columnSpan == ColumnSpan.SINGLE) {
gd.widthHint = COLUMN_WIDTH;
gd.horizontalSpan = 1;
} else {
gd.widthHint = MULTI_COLUMN_WIDTH;
gd.horizontalSpan = columnCount - currentColumn + 1;
}
} else {
gd.widthHint = COLUMN_WIDTH;
gd.horizontalSpan = 1;
}
attributeEditor.getControl().setLayoutData(gd);
getTaskEditorPage().getAttributeEditorToolkit().adapt(attributeEditor);
currentColumn += gd.horizontalSpan;
currentColumn %= columnCount;
}
}
protected String getInfoOverlayText() {
return infoOverlayText;
}
protected String getInfoOverlayTooltipText() {
return infoOverlayTooltipText;
}
private void createInfoOverlay(Composite composite, Section section, FormToolkit toolkit) {
String text = getInfoOverlayText();
if (text == null) {
return;
}
final Label label = toolkit.createLabel(composite, CommonUiUtil.toLabel(text));
label.setForeground(toolkit.getColors().getColor(IFormColors.TITLE));
label.setBackground(null);
label.setVisible(!section.isExpanded());
label.setToolTipText(getInfoOverlayTooltipText());
section.addExpansionListener(new ExpansionAdapter() {
@Override
public void expansionStateChanging(ExpansionEvent e) {
label.setVisible(!e.getState());
}
});
}
@Override
protected void setSection(FormToolkit toolkit, Section section) {
if (section.getTextClient() == null) {
ToolBarManager toolBarManager = new ToolBarManager(SWT.FLAT);
fillToolBar(toolBarManager);
if (toolBarManager.getSize() > 0 || getInfoOverlayText() != null) {
Composite toolbarComposite = toolkit.createComposite(section);
toolbarComposite.setBackground(null);
RowLayout rowLayout = new RowLayout();
rowLayout.marginLeft = 0;
rowLayout.marginRight = 0;
rowLayout.marginTop = 0;
rowLayout.marginBottom = 0;
rowLayout.center = true;
toolbarComposite.setLayout(rowLayout);
createInfoOverlay(toolbarComposite, section, toolkit);
toolBarManager.createControl(toolbarComposite);
section.clientVerticalSpacing = 0;
section.descriptionVerticalSpacing = 0;
section.setTextClient(toolbarComposite);
}
}
setControl(section);
}
}
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