org.apache.click.eclipse/src/org/apache/click/eclipse/ui/editor/attrs/PageInterceptorAttributeEditor.java

package org.apache.click.eclipse.ui.editor.attrs;

import org.apache.click.eclipse.ClickPlugin;
import org.apache.click.eclipse.ClickUtils;
import org.eclipse.core.resources.IFile;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement;

public class PageInterceptorAttributeEditor implements IAttributeEditor {

	public Composite createForm(FormToolkit toolkit, Composite parent, final IDOMElement element) {
		Composite composite = toolkit.createComposite(parent);
		composite.setLayout(ClickUtils.createGridLayout(2));
		composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

		IFile file = (IFile)ClickUtils.getResource(element.getStructuredDocument());
		IJavaProject project = JavaCore.create(file.getProject());

		final Text textClass = AttributeEditorUtils.createClassText(
				project, toolkit, composite, element,
				ClickPlugin.getString("editor.clickXML.pages.class"),
				ClickPlugin.ATTR_CLASSNAME,
				ClickPlugin.CLICK_PAGE_INTERCEPTOR_IF, null);
		textClass.addModifyListener(new ModifyListener(){
			public void modifyText(ModifyEvent e){
				if(textClass.getText().equals("")){
					element.removeAttribute(ClickPlugin.ATTR_CLASSNAME);
				} else {
					element.setAttribute(ClickPlugin.ATTR_CLASSNAME, textClass.getText());
				}
			}
		});

		final Combo scope = AttributeEditorUtils.createCombo(
				toolkit, composite, element,
				ClickPlugin.getString("editor.clickXML.pageInterceptor.scope"),
				ClickPlugin.ATTR_SCOPE,
				ClickUtils.createComboValues(ClickPlugin.SCOPE_VALUES));
		scope.addSelectionListener(new SelectionAdapter(){
			public void widgetSelected(SelectionEvent evt){
				if(scope.getText().equals("")){
					element.removeAttribute(ClickPlugin.ATTR_SCOPE);
				} else {
					element.setAttribute(ClickPlugin.ATTR_SCOPE, scope.getText());
				}
			}
		});


		return composite;
	}

}