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/*******************************************************************************
* Copyright (c) 2004, 2010 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.bugzilla.ui.editor;
import java.util.Map;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.fieldassist.ContentProposalAdapter;
import org.eclipse.jface.fieldassist.IContentProposalProvider;
import org.eclipse.jface.fieldassist.TextContentAdapter;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.mylyn.internal.provisional.commons.ui.CommonImages;
import org.eclipse.mylyn.internal.tasks.ui.PersonProposalLabelProvider;
import org.eclipse.mylyn.internal.tasks.ui.PersonProposalProvider;
import org.eclipse.mylyn.internal.tasks.ui.editors.EditorUtil;
import org.eclipse.mylyn.internal.tasks.ui.editors.Messages;
import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
import org.eclipse.mylyn.tasks.core.data.TaskDataModel;
import org.eclipse.mylyn.tasks.ui.editors.AbstractAttributeEditor;
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.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.KeyListener;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseTrackAdapter;
import org.eclipse.swt.events.MouseTrackListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.fieldassist.ContentAssistCommandAdapter;
import org.eclipse.ui.forms.events.HyperlinkAdapter;
import org.eclipse.ui.forms.events.HyperlinkEvent;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.ImageHyperlink;
import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;
/**
* @author Frank Becker
*/
public class FlagAttributeEditor extends AbstractAttributeEditor {
private String[] values;
private CCombo combo;
private Text requesteeText;
private ImageHyperlink selfLink;
private Text flagText;
private Text requesteeROText;
private boolean suppressRefresh;
private Composite flagComposite;
public FlagAttributeEditor(TaskDataModel manager, TaskAttribute taskAttribute) {
super(manager, taskAttribute);
setLayoutHint(new LayoutHint(RowSpan.SINGLE, ColumnSpan.SINGLE));
if (taskAttribute.getAttribute("state") != null) { //$NON-NLS-1$
setReadOnly(taskAttribute.getAttribute("state").getMetaData().isReadOnly()); //$NON-NLS-1$
}
}
@Override
public void createControl(Composite parent, FormToolkit toolkit) {
flagComposite = toolkit.createComposite(parent);
GridLayout layout = new GridLayout(2, false);
layout.marginHeight = 1;
layout.marginWidth = 1;
layout.horizontalSpacing = 10;
flagComposite.setLayout(layout);
if (isReadOnly()) {
flagText = new Text(flagComposite, SWT.FLAT | SWT.READ_ONLY);
toolkit.adapt(flagText, false, false);
flagText.setData(FormToolkit.KEY_DRAW_BORDER, Boolean.FALSE);
flagText.setText(getValueLabel());
flagText.setBackground(parent.getBackground());
flagText.setEditable(false);
String tooltip = getTaskAttribute().getMetaData().getLabel();
if (tooltip == null) {
tooltip = getDescription();
}
if (tooltip != null) {
flagText.setToolTipText(tooltip);
}
TaskAttribute requestee = getTaskAttribute().getAttribute("requestee"); //$NON-NLS-1$
requesteeROText = new Text(flagComposite, SWT.FLAT | SWT.READ_ONLY);
toolkit.adapt(requesteeROText, false, false);
requesteeROText.setData(FormToolkit.KEY_DRAW_BORDER, Boolean.FALSE);
requesteeROText.setText(requestee.getValue());
requesteeROText.setBackground(parent.getBackground());
requesteeROText.setEditable(false);
requesteeROText.setToolTipText(requestee.getMetaData().getValue(TaskAttribute.META_DESCRIPTION));
} else {
combo = new CCombo(flagComposite, SWT.FLAT | SWT.READ_ONLY);
toolkit.adapt(combo, false, false);
combo.setData(FormToolkit.KEY_DRAW_BORDER, FormToolkit.TEXT_BORDER);
String tooltip = getTaskAttribute().getMetaData().getLabel();
if (tooltip == null) {
tooltip = getDescription();
}
if (tooltip != null) {
combo.setToolTipText(tooltip);
}
EditorUtil.addScrollListener(combo);
updateComboWithOptions();
select(getValue(), getValueLabel());
if (values != null) {
combo.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent event) {
int index = combo.getSelectionIndex();
if (index > -1) {
Assert.isNotNull(values);
Assert.isLegal(index >= 0 && index <= values.length - 1);
try {
suppressRefresh = true;
setValue(values[index]);
selectionChanged(index);
} finally {
suppressRefresh = false;
}
}
}
});
}
TaskAttribute requestee = getTaskAttribute().getAttribute("requestee"); //$NON-NLS-1$
if (requestee != null && !requestee.getMetaData().isReadOnly()) {
final Composite requesteeComposite = new Composite(flagComposite, SWT.NONE);
GridLayout requesteeLayout = new GridLayout(2, false);
requesteeLayout.marginHeight = 0;
requesteeLayout.marginWidth = 0;
requesteeLayout.horizontalSpacing = 0;
requesteeComposite.setLayout(requesteeLayout);
requesteeComposite.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
requesteeComposite.setData(FormToolkit.KEY_DRAW_BORDER, FormToolkit.TREE_BORDER);
requesteeText = toolkit.createText(requesteeComposite, requestee.getValue());
boolean enabled = "?".equals(getValueLabel()); //$NON-NLS-1$
requesteeText.setEnabled(enabled);
requesteeText.setToolTipText(requestee.getMetaData().getValue(TaskAttribute.META_DESCRIPTION));
IContentProposalProvider contentProposalProvider = new PersonProposalProvider(null,
requestee.getTaskData());
ILabelProvider labelPropsalProvider = new PersonProposalLabelProvider();
if (contentProposalProvider != null && labelPropsalProvider != null) {
ContentAssistCommandAdapter adapter = new ContentAssistCommandAdapter(requesteeText,
new TextContentAdapter(), contentProposalProvider,
ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS, new char[0], true);
adapter.setLabelProvider(labelPropsalProvider);
adapter.setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_REPLACE);
}
selfLink = new ImageHyperlink(requesteeComposite, SWT.NO_FOCUS);
selfLink.setToolTipText(Messages.PersonAttributeEditor_Insert_My_User_Id_Tooltip);
selfLink.setActiveImage(CommonImages.getImage(CommonImages.PERSON_ME_SMALL));
selfLink.setHoverImage(CommonImages.getImage(CommonImages.PERSON_ME_SMALL));
selfLink.setEnabled(enabled);
selfLink.setBackground(requesteeText.getBackground());
selfLink.addHyperlinkListener(new HyperlinkAdapter() {
@Override
public void linkActivated(HyperlinkEvent e) {
String userName = getModel().getTaskRepository().getUserName();
if (userName != null && userName.length() > 0) {
requesteeText.setText(userName);
setValue(userName);
}
}
});
GridDataFactory.fillDefaults().align(SWT.BEGINNING, SWT.CENTER).exclude(true).applyTo(selfLink);
MouseTrackListener mouseListener = new MouseTrackAdapter() {
int version = 0;
@Override
public void mouseEnter(MouseEvent e) {
((GridData) selfLink.getLayoutData()).exclude = false;
requesteeComposite.layout();
selfLink.setImage(CommonImages.getImage(CommonImages.PERSON_ME_SMALL));
selfLink.redraw();
version++;
}
@Override
public void mouseExit(MouseEvent e) {
final int lastVersion = version;
Display.getDefault().asyncExec(new Runnable() {
public void run() {
if (version != lastVersion || selfLink.isDisposed()) {
return;
}
selfLink.setImage(null);
selfLink.redraw();
((GridData) selfLink.getLayoutData()).exclude = true;
requesteeComposite.layout();
}
});
}
};
requesteeText.addMouseTrackListener(mouseListener);
selfLink.addMouseTrackListener(mouseListener);
GridData requesteeData = new GridData(SWT.FILL, SWT.CENTER, true, false);
requesteeText.setLayoutData(requesteeData);
requesteeText.setFont(EditorUtil.TEXT_FONT);
requesteeText.setData(FormToolkit.KEY_DRAW_BORDER, FormToolkit.TREE_BORDER);
requesteeText.addKeyListener(new KeyListener() {
public void keyReleased(KeyEvent e) {
try {
suppressRefresh = true;
setRequestee(requesteeText.getText());
} finally {
suppressRefresh = false;
}
}
public void keyPressed(KeyEvent e) {
}
});
requesteeText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
try {
suppressRefresh = true;
setRequestee(requesteeText.getText());
} finally {
suppressRefresh = false;
}
}
});
toolkit.adapt(requesteeText, false, false);
}
}
toolkit.paintBordersFor(flagComposite);
setControl(flagComposite);
}
private void updateComboWithOptions() {
Map<String, String> labelByValue = getAttributeMapper().getAssoctiatedAttribute(getTaskAttribute())
.getOptions();
if (labelByValue != null) {
combo.removeAll();
values = labelByValue.keySet().toArray(new String[0]);
for (String value : values) {
combo.add(labelByValue.get(value));
}
}
}
public String getValue() {
return getAttributeMapper().getValue(getAttributeMapper().getAssoctiatedAttribute(getTaskAttribute()));
}
public String getValueLabel() {
return getAttributeMapper().getValueLabel(getAttributeMapper().getAssoctiatedAttribute(getTaskAttribute()));
}
private void select(String value, String label) {
if (values != null) {
for (int i = 0; i < values.length; i++) {
if (values[i].equals(value)) {
combo.select(i);
break;
}
}
} else {
combo.setText(label);
}
}
public void setRequestee(String value) {
TaskAttribute requestee = getTaskAttribute().getAttribute("requestee"); //$NON-NLS-1$
if (requestee != null) {
if (!requestee.getValue().equals(value)) {
getAttributeMapper().setValue(requestee, value);
attributeChanged();
}
}
}
public void setValue(String value) {
getAttributeMapper().setValue(getAttributeMapper().getAssoctiatedAttribute(getTaskAttribute()), value);
attributeChanged();
}
@Override
public String getLabel() {
String label = getAttributeMapper().getLabel(getAttributeMapper().getAssoctiatedAttribute(getTaskAttribute()));
if (label != null) {
label.replace("&", "&&"); //$NON-NLS-1$//$NON-NLS-2$
} else {
label = ""; //$NON-NLS-1$
}
TaskAttribute setter = getTaskAttribute().getAttribute("setter"); //$NON-NLS-1$
if (setter != null) {
String setterValue = setter.getValue();
if (setterValue != null && !setterValue.equals("")) { //$NON-NLS-1$
if (setterValue.indexOf("@") > -1) { //$NON-NLS-1$
setterValue = setterValue.substring(0, setterValue.indexOf("@")); //$NON-NLS-1$
}
label = setterValue + ": " + label; //$NON-NLS-1$
}
}
return label;
}
@Override
public void refresh() {
if (flagText != null && !flagText.isDisposed()) {
flagText.setText(getValueLabel());
}
if (combo != null && !combo.isDisposed()) {
updateComboWithOptions();
select(getValue(), getValueLabel());
if (combo.getSelectionIndex() >= 0) {
selectionChanged(combo.getSelectionIndex());
}
}
TaskAttribute requestee = getTaskAttribute().getAttribute("requestee"); //$NON-NLS-1$
if (requestee != null) {
if (requesteeROText != null && !requesteeROText.isDisposed()) {
requesteeROText.setText(requestee.getValue());
}
if (requesteeText != null && !requesteeText.isDisposed()) {
requesteeText.setText(requestee.getValue());
}
}
updateLabel();
if (flagComposite != null && !flagComposite.isDisposed()) {
flagComposite.layout();
}
}
@Override
public boolean shouldAutoRefresh() {
return !suppressRefresh;
}
private void selectionChanged(int index) {
if (requesteeText != null) {
requesteeText.setEnabled(values[index].equals("?")); //$NON-NLS-1$
selfLink.setEnabled(values[index].equals("?")); //$NON-NLS-1$
}
}
}
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