--- /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 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 net.sourceforge.phpdt.externaltools.group.IGroupDialogPage;
+import net.sourceforge.phpdt.externaltools.internal.model.ToolMessages;
+import net.sourceforge.phpdt.externaltools.model.ToolUtil;
+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(ToolMessages.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(ToolMessages.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(ToolMessages.getString("ResourceComponent.selectionRequired"), IMessageProvider.WARNING); //$NON-NLS-1$
+ setIsValid(false);
+ return false;
+ }
+
+ return true;
+ }
+}
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