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/*******************************************************************************
* Copyright (c) 2006 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.launchConfigurations;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.internal.ui.DefaultLabelProvider;
import org.eclipse.debug.internal.ui.SWTFactory;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.CheckStateChangedEvent;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.IBaseLabelProvider;
import org.eclipse.jface.viewers.ICheckStateListener;
import org.eclipse.jface.viewers.IContentProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.SelectionDialog;
/**
* This class provides a general selection dialog class to be specialized for
* selections using a checkbox table viewer
*
* @since 3.3
* EXPERIMENTAL
*/
public abstract class AbstractDebugSelectionDialog extends SelectionDialog {
protected Table fTable = null;
protected CheckboxTableViewer fTableViewer = null;
/**
* Constructor
* @param parentShell
*/
public AbstractDebugSelectionDialog(Shell parentShell) {
super(parentShell);
}
/**
* returns the dialog settings area id
* @return the id of the dialog settings area
*/
protected abstract String getDialogSettingsId();
/**
* Returns the object to use as input for the viewer
* @return the object to use as input for the viewer
*/
protected abstract Object getViewerInput();
/**
* Returns the content provider for the viewer
* @return the content provider for the viewer
*/
protected IContentProvider getContentProvider() {
//by default return a simple array content provider
return new ArrayContentProvider();
}
/**
* Returns the label provider used by the viewer
* @return the label provider used in the viewer
*/
protected IBaseLabelProvider getLabelProvider() {
return new DefaultLabelProvider();
}
/**
* Returns the message for the viewer: i.e. Select Foo:
* @return the message for the viewer
*/
protected String getTableViewerMessage() {
//do nothing by default
return null;
}
/**
* Returns the help context id for this dialog
* @return the help context id for this dialog
*/
protected String getHelpContextId() {
//do nothing by default
return null;
}
/**
* This method allows custom controls to be added before the viewer
* @param parent the parent composite to add these custom controls to
*/
protected void addCustomHeaderControls(Composite parent) {
//do nothing by default
}
/**
* This method allows custom controls to be added after the viewer
* @param parent the parent composite to add these controls to
*/
protected void addCustomFooterControls(Composite parent) {
//do nothing by default
}
/**
* This method allows the newly created controls to be initialized, with this method being called from
* the createDialogArea method
*/
protected void initializeControls() {
//do nothing by default
}
/**
* @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
*/
protected Control createDialogArea(Composite parent) {
initializeDialogUnits(parent);
Composite comp = (Composite) super.createDialogArea(parent);
addCustomHeaderControls(comp);
String label = getTableViewerMessage();
if(label != null) {
SWTFactory.createLabel(comp, label, 1);
}
fTable = new Table(comp, SWT.BORDER | SWT.SINGLE | SWT.CHECK);
fTable.setLayoutData(new GridData(GridData.FILL_BOTH));
fTableViewer = new CheckboxTableViewer(fTable);
fTableViewer.setLabelProvider(getLabelProvider());
fTableViewer.setContentProvider(getContentProvider());
fTableViewer.setInput(getViewerInput());
fTableViewer.addCheckStateListener(new ICheckStateListener() {
public void checkStateChanged(CheckStateChangedEvent event) {
fTableViewer.setCheckedElements(new Object[] {event.getElement()});
getButton(IDialogConstants.OK_ID).setEnabled(true);
}
});
addCustomFooterControls(comp);
initializeControls();
Dialog.applyDialogFont(comp);
String help = getHelpContextId();
if(help != null) {
PlatformUI.getWorkbench().getHelpSystem().setHelp(comp, help);
}
return comp;
}
/* (non-Javadoc)
* @see org.eclipse.ui.dialogs.SelectionDialog#getDialogBoundsSettings()
*/
protected IDialogSettings getDialogBoundsSettings() {
IDialogSettings settings = DebugUIPlugin.getDefault().getDialogSettings();
IDialogSettings section = settings.getSection(getDialogSettingsId());
if (section == null) {
section = settings.addNewSection(getDialogSettingsId());
}
return section;
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.Dialog#getInitialSize()
*/
protected Point getInitialSize() {
IDialogSettings settings = getDialogBoundsSettings();
if(settings != null) {
try {
int width = settings.getInt("DIALOG_WIDTH"); //$NON-NLS-1$
int height = settings.getInt("DIALOG_HEIGHT"); //$NON-NLS-1$
if(width > 0 & height > 0) {
return new Point(width, height);
}
}
catch (NumberFormatException nfe) {
return new Point(450, 500);
}
}
return new Point(450, 500);
}
}
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