+++ /dev/null
-package net.sourceforge.phpdt.externaltools.variable;
-
-/**********************************************************************
-Copyright (c) 2002 IBM Corp. and others. All rights reserved.
-This file is made available under the terms of the Common Public License v1.0
-which accompanies this distribution, and is available at
-http://www.eclipse.org/legal/cpl-v10.html
-
-Contributors:
-**********************************************************************/
-
-import net.sourceforge.phpdt.externaltools.group.IGroupDialogPage;
-import net.sourceforge.phpdt.externaltools.internal.model.ExternalToolsModelMessages;
-import net.sourceforge.phpdt.externaltools.model.ToolUtil;
-
-import org.eclipse.core.resources.IResource;
-import org.eclipse.core.resources.ResourcesPlugin;
-import org.eclipse.jface.dialogs.IMessageProvider;
-import org.eclipse.jface.viewers.ISelectionChangedListener;
-import org.eclipse.jface.viewers.IStructuredSelection;
-import org.eclipse.jface.viewers.SelectionChangedEvent;
-import org.eclipse.jface.viewers.StructuredSelection;
-import org.eclipse.jface.viewers.TreeViewer;
-import org.eclipse.swt.SWT;
-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.Button;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Group;
-import org.eclipse.swt.widgets.Tree;
-import org.eclipse.ui.model.WorkbenchContentProvider;
-import org.eclipse.ui.model.WorkbenchLabelProvider;
-
-/**
- * Visual component to edit the resource type variable
- * value.
- * <p>
- * This class is not intended to be extended by clients.
- * </p>
- */
-public class ResourceComponent implements IVariableComponent {
- private IGroupDialogPage page;
- private boolean isValid = true;
-
- protected Group mainGroup;
- protected Button selectedResourceButton;
- protected Button specificResourceButton;
- protected TreeViewer resourceList;
- private IResource selectedResource;
-
- /**
- * Creates the component
- */
- public ResourceComponent() {
- super();
- }
-
- /* (non-Javadoc)
- * Method declared on IVariableComponent.
- */
- public void createContents(Composite parent, String varTag, IGroupDialogPage page) {
- this.page = page;
-
- // main composite
- mainGroup = new Group(parent, SWT.NONE);
- GridLayout layout = new GridLayout();
- layout.marginWidth = 0;
- layout.marginHeight = 0;
- layout.numColumns = 1;
- GridData gridData = new GridData(GridData.FILL_BOTH);
- mainGroup.setLayout(layout);
- mainGroup.setLayoutData(gridData);
- mainGroup.setFont(parent.getFont());
- mainGroup.setText(ToolUtil.buildVariableTag(varTag, null));
-
- createSelectedResourceOption();
- createSpecificResourceOption();
- createResourceList();
-
- updateResourceListEnablement();
- }
-
- /**
- * Creates the list of resources.
- */
- protected void createResourceList() {
- Tree tree = new Tree(mainGroup, SWT.SINGLE | SWT.BORDER);
- GridData data = new GridData(GridData.FILL_BOTH);
- data.heightHint = tree.getItemHeight() * getInitialVisibleItemCount();
- tree.setLayoutData(data);
- tree.setFont(mainGroup.getFont());
-
- resourceList = new TreeViewer(tree);
- resourceList.addSelectionChangedListener(new ISelectionChangedListener() {
- public void selectionChanged(SelectionChangedEvent event) {
- validateResourceListSelection();
- selectedResource= (IResource) ((IStructuredSelection)event.getSelection()).getFirstElement();
- }
- });
- resourceList.setContentProvider(new WorkbenchContentProvider());
- resourceList.setLabelProvider(new WorkbenchLabelProvider());
- resourceList.setInput(ResourcesPlugin.getWorkspace().getRoot());
- }
-
- /**
- * Creates the option button for using the selected
- * resource.
- */
- protected void createSelectedResourceOption() {
- selectedResourceButton = new Button(mainGroup, SWT.RADIO);
- selectedResourceButton.setText(ExternalToolsModelMessages.getString("ResourceComponent.selectedResLabel")); //$NON-NLS-1$
- GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
- selectedResourceButton.setLayoutData(data);
- selectedResourceButton.setFont(mainGroup.getFont());
- selectedResourceButton.setSelection(true);
- }
-
- /**
- * Creates the option button for using a specific
- * resource.
- */
- protected void createSpecificResourceOption() {
- specificResourceButton = new Button(mainGroup, SWT.RADIO);
- specificResourceButton.setText(ExternalToolsModelMessages.getString("ResourceComponent.specificResLabel")); //$NON-NLS-1$
- GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
- specificResourceButton.setLayoutData(data);
- specificResourceButton.setFont(mainGroup.getFont());
- specificResourceButton.setSelection(false);
-
- specificResourceButton.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent e) {
- updateResourceListEnablement();
- }
- });
- }
-
- /* (non-Javadoc)
- * Method declared on IVariableComponent.
- */
- public Control getControl() {
- return mainGroup;
- }
-
- /**
- * Returns the dialog page this component is part of
- */
- protected final IGroupDialogPage getPage() {
- return page;
- }
-
- /* (non-Javadoc)
- * Method declared on IVariableComponent.
- */
- public String getVariableValue() {
- if (selectedResourceButton != null && selectedResourceButton.getSelection())
- return null;
-
- if (resourceList != null) {
- if (selectedResource != null)
- return selectedResource.getFullPath().toString();
- }
-
- return null;
- }
-
- /**
- * Returns the number of items to be visible in the
- * resource list. This will determine the initial height.
- */
- protected int getInitialVisibleItemCount() {
- return 10;
- }
-
- /* (non-Javadoc)
- * Method declared on IVariableComponent.
- */
- public boolean isValid() {
- return isValid;
- }
-
- /**
- * Sets whether the component's values are all valid.
- * Updates the components's page valid state. No action
- * taken if new valid state same as current one.
- *
- * @param isValid <code>true</code> if all values valid,
- * <code>false</code> otherwise
- */
- protected final void setIsValid(boolean isValid) {
- if (this.isValid != isValid) {
- this.isValid = isValid;
- this.page.updateValidState();
- }
- }
-
- /**
- * Updates the enablement of the resource list if needed
- */
- protected void updateResourceListEnablement() {
- if (specificResourceButton != null && resourceList != null)
- resourceList.getTree().setEnabled(specificResourceButton.getSelection());
- }
-
- /* (non-Javadoc)
- * Method declared on IVariableComponent.
- */
- public void setVariableValue(String varValue) {
- if (varValue == null || varValue.length() == 0) {
- if (selectedResourceButton != null)
- selectedResourceButton.setSelection(true);
- if (specificResourceButton != null)
- specificResourceButton.setSelection(false);
- if (resourceList != null)
- resourceList.getTree().setEnabled(false);
- } else {
- if (selectedResourceButton != null)
- selectedResourceButton.setSelection(false);
- if (specificResourceButton != null)
- specificResourceButton.setSelection(true);
- if (resourceList != null) {
- resourceList.getTree().setEnabled(true);
- IResource member = ResourcesPlugin.getWorkspace().getRoot().findMember(varValue);
- if (member != null)
- resourceList.setSelection(new StructuredSelection(member), true);
- else
- resourceList.setSelection(StructuredSelection.EMPTY);
- }
- }
- }
-
- /* (non-Javadoc)
- * Method declared on IVariableComponent.
- */
- public void validate() {
- if (specificResourceButton != null && specificResourceButton.getSelection()) {
- validateResourceListSelection();
- }
-
- getPage().setMessage(null, IMessageProvider.NONE);
- setIsValid(true);
- }
-
- /**
- * Returns whether that the resource list selection is valid.
- * If the list was not created, returns <code>true</code>.
- *
- * @return <code>true</code> to continue validating other
- * fields, <code>false</code> to stop.
- */
- protected boolean validateResourceListSelection() {
- if (resourceList == null)
- return true;
-
- if (resourceList.getSelection().isEmpty()) {
- getPage().setMessage(ExternalToolsModelMessages.getString("ResourceComponent.selectionRequired"), IMessageProvider.WARNING); //$NON-NLS-1$
- setIsValid(false);
- return false;
- }
-
- return true;
- }
-}
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