package org.xmind.cathy.internal;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IContributionItem;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.jface.util.Util;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.ui.menus.WorkbenchWindowControlContribution;
import org.xmind.ui.resources.FontUtils;
import org.xmind.ui.util.PrefUtils;
public class AutoBackupIndicator extends WorkbenchWindowControlContribution
implements IPropertyChangeListener, Listener {
private static final int DISABLED = 1;
private static final int ENABLED = 2;
private class ChangeAutoSavePrefAction extends Action {
private IPreferenceStore ps;
private int value;
/**
*
*/
public ChangeAutoSavePrefAction(IPreferenceStore ps, String text,
int value) {
super(text);
this.ps = ps;
this.value = value;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
if (ps == null)
return;
changeStatus(value);
}
/**
* @return the value
*/
public int getValue() {
return value;
}
}
private static class OpenPreferencePageAction extends Action {
/**
*
*/
public OpenPreferencePageAction() {
super(
WorkbenchMessages.AutoBackupIndicator_OpenPreferenceAction_text);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
PrefUtils.openPrefDialog(null, PrefUtils.GENERAL_PREF_PAGE_ID);
}
}
private Control control;
private Label label;
private MenuManager menu;
private IPreferenceStore ps;
public AutoBackupIndicator() {
super("org.xmind.ui.status.AutoSaveIndicator"); //$NON-NLS-1$
}
protected Control createControl(Composite parent) {
ps = CathyPlugin.getDefault().getPreferenceStore();
Composite composite = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout(1, false);
layout.marginWidth = 0;
layout.marginHeight = 0;
layout.verticalSpacing = 0;
layout.horizontalSpacing = 4;
composite.setLayout(layout);
// Label sep = new Label(composite, SWT.SEPARATOR | SWT.VERTICAL);
// sep.setLayoutData(new GridData(SWT.CENTER, SWT.FILL, false, true));
label = new Label(composite, SWT.CENTER);
label.setText(WorkbenchMessages.AutoBackupIndicator_AutoSaveDisabled_label);
label.setFont(FontUtils.getRelativeHeight(JFaceResources.DEFAULT_FONT,
Util.isMac() ? -2 : -1));
label.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, true, true));
label.setCursor(label.getDisplay().getSystemCursor(SWT.CURSOR_HAND));
label.addListener(SWT.MouseDown, this);
menu = new MenuManager();
menu.add(new ChangeAutoSavePrefAction(
ps,
WorkbenchMessages.AutoBackupIndicator_DisableAutoSaveAction_text,
DISABLED));
menu.add(new ChangeAutoSavePrefAction(
ps,
WorkbenchMessages.AutoBackupIndicator_EnableAutoSaveAction_text,
ENABLED));
menu.add(new Separator());
menu.add(new OpenPreferencePageAction());
menu.createContextMenu(label);
label.setMenu(menu.getMenu());
updateEnablement();
// composite.setLayoutData(new StatusLineLayoutData());
ps.removePropertyChangeListener(this);
ps.addPropertyChangeListener(this);
this.control = composite;
return composite;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.action.ContributionItem#update()
*/
@Override
public void update() {
update(null);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.action.ContributionItem#update(java.lang.String)
*/
@Override
public void update(String id) {
super.update(id);
if (label == null || label.isDisposed() || ps == null)
return;
if (id == null || CathyPlugin.AUTO_SAVE_ENABLED.equals(id)) {
updateEnablement();
updateSize();
}
}
private void updateSize() {
if (control == null || control.isDisposed())
return;
Point oldSize = control.getSize();
control.pack(true);
Point newSize = control.getSize();
if (oldSize.equals(newSize))
return;
control.getParent().layout(true, true);
}
private void updateEnablement() {
int value = getValue();
if (value == ENABLED) {
label.setText(WorkbenchMessages.AutoBackupIndicator_AutoSaveEnabled_label);
int intervals = ps.getInt(CathyPlugin.AUTO_SAVE_INTERVALS);
label.setToolTipText(NLS.bind(WorkbenchMessages.AutoSave_label2,
intervals));
} else {
label.setText(WorkbenchMessages.AutoBackupIndicator_AutoSaveDisabled_label);
label.setToolTipText(WorkbenchMessages.AutoBackupIndicator_AutoSaveDisabled_description);
}
if (menu != null) {
for (IContributionItem item : menu.getItems()) {
if (item instanceof ActionContributionItem) {
IAction action = ((ActionContributionItem) item)
.getAction();
if (action instanceof ChangeAutoSavePrefAction) {
action.setChecked(((ChangeAutoSavePrefAction) action)
.getValue() == value);
}
}
}
}
}
private int getValue() {
return ps.getBoolean(CathyPlugin.AUTO_SAVE_ENABLED) ? ENABLED
: DISABLED;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.action.ContributionItem#dispose()
*/
@Override
public void dispose() {
if (label != null) {
label.dispose();
label = null;
}
control = null;
if (menu != null) {
menu.dispose();
menu = null;
}
if (ps != null) {
ps.removePropertyChangeListener(this);
ps = null;
}
super.dispose();
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse
* .jface.util.PropertyChangeEvent)
*/
public void propertyChange(final PropertyChangeEvent event) {
if (control == null || control.isDisposed())
return;
control.getDisplay().asyncExec(new Runnable() {
public void run() {
update(event.getProperty());
}
});
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.
* Event)
*/
public void handleEvent(final Event event) {
if (event.widget == label) {
if (event.button == 1) {
event.display.timerExec(10, new Runnable() {
public void run() {
Point loc = label.getParent().toDisplay(event.x,
event.y);
updateEnablement();
menu.getMenu().setLocation(loc);
menu.getMenu().setVisible(true);
}
});
}
}
}
private void changeStatus(int value) {
ps.setValue(CathyPlugin.AUTO_SAVE_ENABLED, value == ENABLED);
}
}
