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/*******************************************************************************
* Copyright (c) 2011 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.launch.ui.properties;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Text;
import org.eclipse.tcf.te.core.interfaces.IViewerInput;
import org.eclipse.tcf.te.runtime.model.interfaces.IModelNode;
import org.eclipse.tcf.te.runtime.model.interfaces.IModelNodeProvider;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.forms.widgets.ExpandableComposite;
import org.eclipse.ui.forms.widgets.Section;
import org.eclipse.ui.views.properties.tabbed.AbstractPropertySection;
import org.eclipse.ui.views.properties.tabbed.ITabbedPropertyConstants;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage;
/**
* The base section that displays a title in a title bar.
*/
public abstract class BaseTitledSection extends AbstractPropertySection implements PropertyChangeListener {
// The main composite used to create the section content.
protected Composite composite;
protected IViewerInput viewerInput;
// The input node.
protected IModelNodeProvider provider;
/*
* (non-Javadoc)
* @see org.eclipse.ui.views.properties.tabbed.AbstractPropertySection#setInput(org.eclipse.ui.IWorkbenchPart, org.eclipse.jface.viewers.ISelection)
*/
@Override
public void setInput(IWorkbenchPart part, ISelection selection) {
super.setInput(part, selection);
if (this.viewerInput != null) {
this.viewerInput.removePropertyChangeListener(this);
}
Assert.isTrue(selection instanceof IStructuredSelection);
Object input = ((IStructuredSelection) selection).getFirstElement();
if (input instanceof IAdaptable) {
this.viewerInput = (IViewerInput)((IAdaptable)input).getAdapter(IViewerInput.class);
if (this.viewerInput != null) {
this.viewerInput.addPropertyChangeListener(this);
}
}
if (this.viewerInput == null && input instanceof IModelNodeProvider) {
this.provider = (IModelNodeProvider) input;
IModelNode modelNode = this.provider.getModelNode();
this.viewerInput = (IViewerInput)modelNode.getAdapter(IViewerInput.class);
if (this.viewerInput != null) {
this.viewerInput.addPropertyChangeListener(this);
}
}
else {
this.provider = null;
this.viewerInput = null;
}
updateInput(provider);
}
/**
* Update the input node.
*
* @param input The input node.
*/
protected void updateInput(IModelNodeProvider input) {
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.views.properties.tabbed.AbstractPropertySection#aboutToBeHidden()
*/
@Override
public void aboutToBeHidden() {
if(this.viewerInput != null) {
this.viewerInput.removePropertyChangeListener(this);
}
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.views.properties.tabbed.AbstractPropertySection#createControls(org.eclipse.swt.widgets.Composite, org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage)
*/
@Override
public void createControls(Composite parent, TabbedPropertySheetPage aTabbedPropertySheetPage) {
super.createControls(parent, aTabbedPropertySheetPage);
parent.setLayout(new FormLayout());
Section section = getWidgetFactory().createSection(parent, ExpandableComposite.TITLE_BAR);
section.setText(getText());
FormData data = new FormData();
data.left = new FormAttachment(0, ITabbedPropertyConstants.HMARGIN);
data.right = new FormAttachment(100, -ITabbedPropertyConstants.HMARGIN);
data.top = new FormAttachment(0, 2 * ITabbedPropertyConstants.VMARGIN);
section.setLayoutData(data);
composite = getWidgetFactory().createComposite(parent);
FormLayout layout = new FormLayout();
layout.spacing = ITabbedPropertyConstants.HMARGIN;
composite.setLayout(layout);
data = new FormData();
data.left = new FormAttachment(0, 2 * ITabbedPropertyConstants.HMARGIN);
data.right = new FormAttachment(100, -2 * ITabbedPropertyConstants.HMARGIN);
data.top = new FormAttachment(section, ITabbedPropertyConstants.VSPACE);
data.bottom = new FormAttachment(100, 0);
composite.setLayoutData(data);
}
/**
* Create a label for the control using the specified text.
*
* @param control The control for which the label is created.
* @param text The label text.
*/
protected void createLabel(Control control, String text) {
CLabel nameLabel = getWidgetFactory().createCLabel(composite, text);
FormData data = new FormData();
data.left = new FormAttachment(0, 0);
data.right = new FormAttachment(control, -ITabbedPropertyConstants.HSPACE);
data.top = new FormAttachment(control, 0, SWT.CENTER);
nameLabel.setLayoutData(data);
}
/**
* Create a text field and a label with the specified label
* relative to the specified control.
*
* @param control The control relative to.
* @param label The text of the label.
* @return The new text created.
*/
protected Text createTextField(Control control, String label) {
Text text = createText(control);
createLabel(text, label);
return text;
}
/**
* Create a wrap text field and a label with the specified label
* relative to the specified control.
*
* @param control The control relative to.
* @param label The text of the label.
* @return The new wrap text created.
*/
protected Text createWrapTextField(Control control, String label) {
Text text = createWrapText(control);
createLabel(text, label);
return text;
}
/**
* Create a text field relative to the specified control.
*
* @param control The control to layout the new text field.
* @return The new text field created.
*/
private Text createText(Control control) {
Text text = getWidgetFactory().createText(composite, ""); //$NON-NLS-1$
FormData data = new FormData();
data.left = new FormAttachment(0, STANDARD_LABEL_WIDTH);
data.right = new FormAttachment(100, 0);
if (control == null) {
data.top = new FormAttachment(0, ITabbedPropertyConstants.VSPACE);
}
else {
data.top = new FormAttachment(control, ITabbedPropertyConstants.VSPACE);
}
text.setLayoutData(data);
text.setEditable(false);
return text;
}
/**
* Create a wrap text field relative to the specified control.
*
* @param control The control to layout the new wrap text field.
* @return The new wrap text field created.
*/
private Text createWrapText(Control control) {
Text text = getWidgetFactory().createText(composite, "", SWT.WRAP); //$NON-NLS-1$
FormData data = new FormData();
data.left = new FormAttachment(0, STANDARD_LABEL_WIDTH);
data.right = new FormAttachment(100, 0);
if (control == null) {
data.top = new FormAttachment(0, ITabbedPropertyConstants.VSPACE);
}
else {
data.top = new FormAttachment(control, ITabbedPropertyConstants.VSPACE);
}
data.width = 200;
text.setLayoutData(data);
text.setEditable(false);
return text;
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.views.properties.tabbed.AbstractPropertySection#refresh()
*/
@Override
public void refresh() {
composite.layout();
}
/*
* (non-Javadoc)
* @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
*/
@Override
public void propertyChange(PropertyChangeEvent event) {
if (event.getSource() == provider) {
updateInput(provider);
Display display = getPart().getSite().getShell().getDisplay();
display.asyncExec(new Runnable() {
@Override
public void run() {
refresh();
}
});
}
}
/**
* Get the text which is used as the title in the title bar of the section.
*
* @return A text string representing the section.
*/
protected abstract String getText();
}
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