+++ /dev/null
-package net.sourceforge.phpdt.externaltools.internal.dialog;
-
-/**********************************************************************
-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.registry.ExternalToolVariable;
-import net.sourceforge.phpdt.externaltools.model.ToolUtil;
-import net.sourceforge.phpdt.externaltools.variable.IVariableComponent;
-
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.custom.StackLayout;
-import org.eclipse.swt.events.SelectionAdapter;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.graphics.Font;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Label;
-import org.eclipse.swt.widgets.List;
-
-/**
- * Visual grouping of controls that allows the user to
- * select a variable and configure it with extra
- * information.
- */
-public class ExternalToolVariableForm {
- private static final int VISIBLE_ITEM_COUNT = 9;
-
- private String variableListLabelText;
- private ExternalToolVariable[] variables;
- private IVariableComponent[] components;
- private IGroupDialogPage page;
-
- private Label variableListLabel;
- private List variableList;
- private Composite variableComposite;
- private StackLayout variableLayout;
- private int activeComponentIndex = -1;
-
- /**
- * Creates the visual grouping
- *
- * @param variableListLabelText the label text to use for identifying the list of variables
- * @param variables the collection of variables to display to the user
- */
- public ExternalToolVariableForm(String variableListLabelText, ExternalToolVariable[] variables) {
- super();
- this.variableListLabelText = variableListLabelText;
- this.variables = variables;
- this.components = new IVariableComponent[variables.length];
- }
-
- public Composite createContents(Composite parent, IGroupDialogPage page) {
- Font font = parent.getFont();
-
- this.page = page;
-
- Composite mainComposite = new Composite(parent, SWT.NONE);
- GridLayout layout = new GridLayout();
- layout.marginWidth = 0;
- layout.marginHeight = 0;
- layout.numColumns = 1;
- GridData data = new GridData(GridData.FILL_BOTH);
- mainComposite.setLayout(layout);
- mainComposite.setLayoutData(data);
-
- variableListLabel = new Label(mainComposite, SWT.NONE);
- variableListLabel.setText(variableListLabelText);
- data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
- data.horizontalSpan = 1;
- variableListLabel.setLayoutData(data);
- variableListLabel.setFont(font);
-
- variableList = new List(mainComposite, SWT.SINGLE | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
- data = new GridData(GridData.FILL_HORIZONTAL);
- data.heightHint = variableList.getItemHeight() * VISIBLE_ITEM_COUNT;
- variableList.setLayoutData(data);
- variableList.setFont(font);
-
- variableComposite = new Composite(mainComposite, SWT.NONE);
- variableLayout = new StackLayout();
- variableLayout.marginWidth = 0;
- variableLayout.marginHeight = 0;
- data = new GridData(GridData.FILL_BOTH);
- variableComposite.setLayout(variableLayout);
- variableComposite.setLayoutData(data);
- variableComposite.setFont(font);
-
- createVariableComponents(data);
-
- populateVariableList();
-
- variableList.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent e) {
- updateVariableComposite(null, false);
- }
- });
-
- setEnabled(true);
- return mainComposite;
- }
-
- /**
- * Creates the visual component for each variable
- * and determine the initial size so the form
- * can be layout properly.
- */
- private void createVariableComponents(GridData data) {
- for (int i = 0; i < variables.length; i++) {
- ExternalToolVariable var = variables[i];
- components[i] = var.getComponent();
- components[i].createContents(variableComposite, var.getTag(), page);
- Control control = components[i].getControl();
- if (control != null) {
- Point newSize = control.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
- data.widthHint = Math.max(newSize.x, data.widthHint);
- data.heightHint = Math.max(newSize.y, data.heightHint);
- }
- }
- }
-
- /**
- * Returns the formatted variable or <code>null</code> if
- * none selected.
- */
- public String getSelectedVariable() {
- if (activeComponentIndex != -1) {
- String varValue = components[activeComponentIndex].getVariableValue();
- return ToolUtil.buildVariableTag(variables[activeComponentIndex].getTag(), varValue);
- }
-
- return null;
- }
-
- /**
- * Returns whether the current variable selection is
- * valid, including the selected variable value.
- */
- public boolean isValid() {
- if (activeComponentIndex != -1)
- return components[activeComponentIndex].isValid();
-
- return true;
- }
-
- private void populateVariableList() {
- String[] items = new String[variables.length];
- StringBuffer buffer = new StringBuffer(80);
- for (int i = 0; i < variables.length; i++) {
- ToolUtil.buildVariableTag(variables[i].getTag(), null, buffer);
- buffer.append(" - "); //$NON-NLS-1$
- buffer.append(variables[i].getDescription());
- items[i] = buffer.toString();
- buffer.setLength(0);
- }
- variableList.setItems(items);
- }
-
- public void selectVariable(String varName, String varValue) {
- if (varName != null && varName.length() > 0) {
- for (int i = 0; i < variables.length; i++) {
- if (varName.equals(variables[i].getTag())) {
- variableList.select(i);
- updateVariableComposite(varValue, true);
- return;
- }
- }
- }
-
- variableList.deselectAll();
- updateVariableComposite(varValue, false);
- }
-
- private void setComponentVisible(int index) {
- if (index == -1)
- variableLayout.topControl = null;
- else
- variableLayout.topControl = components[index].getControl();
- variableComposite.layout();
- }
-
- /**
- * Enables or disables the variable form controls.
- */
- public void setEnabled(boolean enabled) {
- variableListLabel.setEnabled(enabled);
- variableList.setEnabled(enabled);
- if (enabled && variableList.getSelection().length == 0) {
- if (variableList.getItemCount() > 0) {
- variableList.select(0);
- activeComponentIndex= 0;
- }
- }
- variableComposite.setVisible(enabled);
- }
-
- private void updateVariableComposite(String value, boolean setValue) {
- activeComponentIndex = variableList.getSelectionIndex();
- setComponentVisible(activeComponentIndex);
- if (activeComponentIndex != -1 && setValue)
- components[activeComponentIndex].setVariableValue(value);
- }
-
- /**
- * Validates the current variable selection is and
- * its value are acceptable.
- */
- public void validate() {
- if (activeComponentIndex != -1)
- components[activeComponentIndex].validate();
- }
-}
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