examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/ToolBarTab.java - platform/eclipse.platform.swt - Git at Google

 package org.eclipse.swt.examples.controlexample;

 /*
  * (c) Copyright IBM Corp. 2000, 2002.
  * 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
  */

 import org.eclipse.swt.*;
 import org.eclipse.swt.graphics.*;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.swt.layout.*;
 import org.eclipse.swt.events.*;

 class ToolBarTab extends Tab {
 	/* Example widgets and groups that contain them */
 	ToolBar imageToolBar, textToolBar;
 	Group imageToolBarGroup, textToolBarGroup;

 	/* Style widgets added to the "Style" group */
 	Button flatButton, wrapButton;

 	/**
 	 * Creates the Tab within a given instance of ControlExample.
 	 */
 	ToolBarTab(ControlExample instance) {
 		super(instance);
 	}

 	/**
 	 * Creates the "Example" group.
 	 */
 	void createExampleGroup () {
 		super.createExampleGroup ();

 		/* Create a group for the image tool bar */
 		imageToolBarGroup = new Group (exampleGroup, SWT.NULL);
 		imageToolBarGroup.setLayout (new GridLayout ());
 		imageToolBarGroup.setLayoutData (new GridData (GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL));
 		imageToolBarGroup.setText (ControlExample.getResourceString("Image_ToolBar"));

 		/* Create a group for the text tool bar */
 		textToolBarGroup = new Group (exampleGroup, SWT.NULL);
 		textToolBarGroup.setLayout (new GridLayout ());
 		textToolBarGroup.setLayoutData (new GridData (GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL));
 		textToolBarGroup.setText (ControlExample.getResourceString("Text_ToolBar"));
 	}

 	/**
 	 * Creates the "Example" widgets.
 	 */
 	void createExampleWidgets () {

 		/* Compute the widget style */
 		int style = SWT.NONE;
 		if (flatButton.getSelection()) style |= SWT.FLAT;
 		if (wrapButton.getSelection()) style |= SWT.WRAP;
 		if (borderButton.getSelection()) style |= SWT.BORDER;

 		/*
 		* Create the example widgets.
 		*
 		* A tool bar must consist of all image tool
 		* items or all text tool items but not both.
 		*/

 		/* Create the image tool bar */
 		imageToolBar = new ToolBar (imageToolBarGroup, style);
 		ToolItem item = new ToolItem (imageToolBar, SWT.PUSH);
 		item.setImage (instance.images[ControlExample.ciClosedFolder]);
 		item.setToolTipText("SWT.PUSH");
 		item = new ToolItem (imageToolBar, SWT.PUSH);
 		item.setImage (instance.images[ControlExample.ciClosedFolder]);
 		item.setToolTipText ("SWT.PUSH");
 		item = new ToolItem (imageToolBar, SWT.RADIO);
 		item.setImage (instance.images[ControlExample.ciOpenFolder]);
 		item.setToolTipText ("SWT.RADIO");
 		item = new ToolItem (imageToolBar, SWT.RADIO);
 		item.setImage (instance.images[ControlExample.ciOpenFolder]);
 		item.setToolTipText ("SWT.RADIO");
 		item = new ToolItem (imageToolBar, SWT.CHECK);
 		item.setImage (instance.images[ControlExample.ciTarget]);
 		item.setToolTipText ("SWT.CHECK");
 		item = new ToolItem (imageToolBar, SWT.RADIO);
 		item.setImage (instance.images[ControlExample.ciClosedFolder]);
 		item.setToolTipText ("SWT.RADIO");
 		item = new ToolItem (imageToolBar, SWT.RADIO);
 		item.setImage (instance.images[ControlExample.ciClosedFolder]);
 		item.setToolTipText ("SWT.RADIO");
 		item = new ToolItem (imageToolBar, SWT.SEPARATOR);
 		item.setToolTipText("SWT.SEPARATOR");
 		item = new ToolItem (imageToolBar, SWT.DROP_DOWN);
 		item.setImage (instance.images[ControlExample.ciTarget]);
 		item.setToolTipText ("SWT.DROP_DOWN");
 		item.addSelectionListener(new DropDownSelectionListener());

 		/* Create the text tool bar */
 		textToolBar = new ToolBar (textToolBarGroup, style);
 		item = new ToolItem (textToolBar, SWT.PUSH);
 		item.setText (ControlExample.getResourceString("Push"));
 		item.setToolTipText("SWT.PUSH");
 		item = new ToolItem (textToolBar, SWT.PUSH);
 		item.setText (ControlExample.getResourceString("Push"));
 		item.setToolTipText("SWT.PUSH");
 		item = new ToolItem (textToolBar, SWT.RADIO);
 		item.setText (ControlExample.getResourceString("Radio"));
 		item.setToolTipText("SWT.RADIO");
 		item = new ToolItem (textToolBar, SWT.RADIO);
 		item.setText (ControlExample.getResourceString("Radio"));
 		item.setToolTipText("SWT.RADIO");
 		item = new ToolItem (textToolBar, SWT.CHECK);
 		item.setText (ControlExample.getResourceString("Check"));
 		item.setToolTipText("SWT.CHECK");
 		item = new ToolItem (textToolBar, SWT.RADIO);
 		item.setText (ControlExample.getResourceString("Radio"));
 		item.setToolTipText("SWT.RADIO");
 		item = new ToolItem (textToolBar, SWT.RADIO);
 		item.setText (ControlExample.getResourceString("Radio"));
 		item.setToolTipText("SWT.RADIO");
 		item = new ToolItem (textToolBar, SWT.SEPARATOR);
 		item.setToolTipText("SWT.SEPARATOR");
 		item = new ToolItem (textToolBar, SWT.DROP_DOWN);
 		item.setText (ControlExample.getResourceString("Drop_Down"));
 		item.setToolTipText("SWT.DROP_DOWN");
 		item.addSelectionListener(new DropDownSelectionListener());

 		/*
 		* Do not add the selection event for this drop down
 		* tool item.  Without hooking the event, the drop down
 		* widget does nothing special when the drop down area
 		* is selected.
 		*/
 	}

 	/**
 	 * Creates the "Style" group.
 	 */
 	void createStyleGroup() {
 		super.createStyleGroup();

 		/* Create the extra widgets */
 		flatButton = new Button (styleGroup, SWT.CHECK);
 		flatButton.setText ("SWT.FLAT");
 		wrapButton = new Button (styleGroup, SWT.CHECK);
 		wrapButton.setText ("SWT.WRAP");
 		borderButton = new Button (styleGroup, SWT.CHECK);
 		borderButton.setText ("SWT.BORDER");
 	}

 	void disposeExampleWidgets () {
 		super.disposeExampleWidgets ();
 	}

 	/**
 	 * Gets the "Example" widget children.
 	 */
 	Control [] getExampleWidgets () {
 		return new Control [] {imageToolBar, textToolBar};
 	}

 	/**
 	 * Gets the text for the tab folder item.
 	 */
 	String getTabText () {
 		return "ToolBar";
 	}

 	/**
 	 * Sets the state of the "Example" widgets.
 	 */
 	void setExampleWidgetState () {
 		super.setExampleWidgetState ();
 		flatButton.setSelection ((imageToolBar.getStyle () & SWT.FLAT) != 0);
 		wrapButton.setSelection ((imageToolBar.getStyle () & SWT.WRAP) != 0);
 		borderButton.setSelection ((imageToolBar.getStyle () & SWT.BORDER) != 0);
 	}

 	/**
 	 * Listens to widgetSelected() events on SWT.DROP_DOWN type ToolItems
 	 * and opens/closes a menu when appropriate.
 	 */
 	class DropDownSelectionListener extends SelectionAdapter {
 		private Menu    menu = null;
 		private boolean visible = false;

 		public void widgetSelected(SelectionEvent event) {
 			// Create the menu if it has not already been created
 			if (menu == null) {
 				// Lazy create the menu.
 				Shell shell = tabFolderPage.getShell();
 				menu = new Menu(shell);
 				for (int i = 0; i < 9; ++i) {
 					final String text = ControlExample.getResourceString("DropDownData_" + i);
 					if (text.length() != 0) {
 						MenuItem menuItem = new MenuItem(menu, SWT.NONE);
 						menuItem.setText(text);
 						/*
 						 * Add a menu selection listener so that the menu is hidden
 						 * when the user selects an item from the drop down menu.
 						 */
 						menuItem.addSelectionListener(new SelectionAdapter() {
 							public void widgetSelected(SelectionEvent e) {
 								setMenuVisible(false);
 							}
 						});
 					} else {
 						MenuItem menuItem = new MenuItem(menu, SWT.SEPARATOR);
 					}
 				}
 			}

 			/**
 			 * A selection event will be fired when a drop down tool
 			 * item is selected in the main area and in the drop
 			 * down arrow.  Examine the event detail to determine
 			 * where the widget was selected.
 			 */
 			if (event.detail == SWT.ARROW) {
 				/*
 				 * The drop down arrow was selected.
 				 */
 				if (visible) {
 					// Hide the menu to give the Arrow the appearance of being a toggle button.
 					setMenuVisible(false);
 				} else {
 					// Position the menu below and vertically aligned with the the drop down tool button.
 					final ToolItem toolItem = (ToolItem) event.widget;
 					final ToolBar  toolBar = toolItem.getParent();

 					Rectangle toolItemBounds = toolItem.getBounds();
 					Point point = toolBar.toDisplay(new Point(toolItemBounds.x, toolItemBounds.y));
 					menu.setLocation(point.x, point.y + toolItemBounds.height);
 					setMenuVisible(true);
 				}
 			} else {
 				/*
 				 * Main area of drop down tool item selected.
 				 * An application would invoke the code to perform the action for the tool item.
 				 */
 			}
 		}
 		private void setMenuVisible(boolean visible) {
 			menu.setVisible(visible);
 			this.visible = visible;
 		}
 	}
 }
	package org.eclipse.swt.examples.controlexample;

	/*
	* (c) Copyright IBM Corp. 2000, 2002.
	* 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
	*/

	import org.eclipse.swt.*;
	import org.eclipse.swt.graphics.*;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.swt.layout.*;
	import org.eclipse.swt.events.*;

	class ToolBarTab extends Tab {
	/* Example widgets and groups that contain them */
	ToolBar imageToolBar, textToolBar;
	Group imageToolBarGroup, textToolBarGroup;

	/* Style widgets added to the "Style" group */
	Button flatButton, wrapButton;

	/**
	* Creates the Tab within a given instance of ControlExample.
	*/
	ToolBarTab(ControlExample instance) {
	super(instance);
	}

	/**
	* Creates the "Example" group.
	*/
	void createExampleGroup () {
	super.createExampleGroup ();

	/* Create a group for the image tool bar */
	imageToolBarGroup = new Group (exampleGroup, SWT.NULL);
	imageToolBarGroup.setLayout (new GridLayout ());
	imageToolBarGroup.setLayoutData (new GridData (GridData.GRAB_HORIZONTAL \| GridData.HORIZONTAL_ALIGN_FILL \| GridData.VERTICAL_ALIGN_FILL));
	imageToolBarGroup.setText (ControlExample.getResourceString("Image_ToolBar"));

	/* Create a group for the text tool bar */
	textToolBarGroup = new Group (exampleGroup, SWT.NULL);
	textToolBarGroup.setLayout (new GridLayout ());
	textToolBarGroup.setLayoutData (new GridData (GridData.GRAB_HORIZONTAL \| GridData.HORIZONTAL_ALIGN_FILL \| GridData.VERTICAL_ALIGN_FILL));
	textToolBarGroup.setText (ControlExample.getResourceString("Text_ToolBar"));
	}

	/**
	* Creates the "Example" widgets.
	*/
	void createExampleWidgets () {

	/* Compute the widget style */
	int style = SWT.NONE;
	if (flatButton.getSelection()) style \|= SWT.FLAT;
	if (wrapButton.getSelection()) style \|= SWT.WRAP;
	if (borderButton.getSelection()) style \|= SWT.BORDER;

	/*
	* Create the example widgets.
	*
	* A tool bar must consist of all image tool
	* items or all text tool items but not both.
	*/

	/* Create the image tool bar */
	imageToolBar = new ToolBar (imageToolBarGroup, style);
	ToolItem item = new ToolItem (imageToolBar, SWT.PUSH);
	item.setImage (instance.images[ControlExample.ciClosedFolder]);
	item.setToolTipText("SWT.PUSH");
	item = new ToolItem (imageToolBar, SWT.PUSH);
	item.setImage (instance.images[ControlExample.ciClosedFolder]);
	item.setToolTipText ("SWT.PUSH");
	item = new ToolItem (imageToolBar, SWT.RADIO);
	item.setImage (instance.images[ControlExample.ciOpenFolder]);
	item.setToolTipText ("SWT.RADIO");
	item = new ToolItem (imageToolBar, SWT.RADIO);
	item.setImage (instance.images[ControlExample.ciOpenFolder]);
	item.setToolTipText ("SWT.RADIO");
	item = new ToolItem (imageToolBar, SWT.CHECK);
	item.setImage (instance.images[ControlExample.ciTarget]);
	item.setToolTipText ("SWT.CHECK");
	item = new ToolItem (imageToolBar, SWT.RADIO);
	item.setImage (instance.images[ControlExample.ciClosedFolder]);
	item.setToolTipText ("SWT.RADIO");
	item = new ToolItem (imageToolBar, SWT.RADIO);
	item.setImage (instance.images[ControlExample.ciClosedFolder]);
	item.setToolTipText ("SWT.RADIO");
	item = new ToolItem (imageToolBar, SWT.SEPARATOR);
	item.setToolTipText("SWT.SEPARATOR");
	item = new ToolItem (imageToolBar, SWT.DROP_DOWN);
	item.setImage (instance.images[ControlExample.ciTarget]);
	item.setToolTipText ("SWT.DROP_DOWN");
	item.addSelectionListener(new DropDownSelectionListener());

	/* Create the text tool bar */
	textToolBar = new ToolBar (textToolBarGroup, style);
	item = new ToolItem (textToolBar, SWT.PUSH);
	item.setText (ControlExample.getResourceString("Push"));
	item.setToolTipText("SWT.PUSH");
	item = new ToolItem (textToolBar, SWT.PUSH);
	item.setText (ControlExample.getResourceString("Push"));
	item.setToolTipText("SWT.PUSH");
	item = new ToolItem (textToolBar, SWT.RADIO);
	item.setText (ControlExample.getResourceString("Radio"));
	item.setToolTipText("SWT.RADIO");
	item = new ToolItem (textToolBar, SWT.RADIO);
	item.setText (ControlExample.getResourceString("Radio"));
	item.setToolTipText("SWT.RADIO");
	item = new ToolItem (textToolBar, SWT.CHECK);
	item.setText (ControlExample.getResourceString("Check"));
	item.setToolTipText("SWT.CHECK");
	item = new ToolItem (textToolBar, SWT.RADIO);
	item.setText (ControlExample.getResourceString("Radio"));
	item.setToolTipText("SWT.RADIO");
	item = new ToolItem (textToolBar, SWT.RADIO);
	item.setText (ControlExample.getResourceString("Radio"));
	item.setToolTipText("SWT.RADIO");
	item = new ToolItem (textToolBar, SWT.SEPARATOR);
	item.setToolTipText("SWT.SEPARATOR");
	item = new ToolItem (textToolBar, SWT.DROP_DOWN);
	item.setText (ControlExample.getResourceString("Drop_Down"));
	item.setToolTipText("SWT.DROP_DOWN");
	item.addSelectionListener(new DropDownSelectionListener());

	/*
	* Do not add the selection event for this drop down
	* tool item. Without hooking the event, the drop down
	* widget does nothing special when the drop down area
	* is selected.
	*/
	}

	/**
	* Creates the "Style" group.
	*/
	void createStyleGroup() {
	super.createStyleGroup();

	/* Create the extra widgets */
	flatButton = new Button (styleGroup, SWT.CHECK);
	flatButton.setText ("SWT.FLAT");
	wrapButton = new Button (styleGroup, SWT.CHECK);
	wrapButton.setText ("SWT.WRAP");
	borderButton = new Button (styleGroup, SWT.CHECK);
	borderButton.setText ("SWT.BORDER");
	}

	void disposeExampleWidgets () {
	super.disposeExampleWidgets ();
	}

	/**
	* Gets the "Example" widget children.
	*/
	Control [] getExampleWidgets () {
	return new Control [] {imageToolBar, textToolBar};
	}

	/**
	* Gets the text for the tab folder item.
	*/
	String getTabText () {
	return "ToolBar";
	}

	/**
	* Sets the state of the "Example" widgets.
	*/
	void setExampleWidgetState () {
	super.setExampleWidgetState ();
	flatButton.setSelection ((imageToolBar.getStyle () & SWT.FLAT) != 0);
	wrapButton.setSelection ((imageToolBar.getStyle () & SWT.WRAP) != 0);
	borderButton.setSelection ((imageToolBar.getStyle () & SWT.BORDER) != 0);
	}

	/**
	* Listens to widgetSelected() events on SWT.DROP_DOWN type ToolItems
	* and opens/closes a menu when appropriate.
	*/
	class DropDownSelectionListener extends SelectionAdapter {
	private Menu menu = null;
	private boolean visible = false;

	public void widgetSelected(SelectionEvent event) {
	// Create the menu if it has not already been created
	if (menu == null) {
	// Lazy create the menu.
	Shell shell = tabFolderPage.getShell();
	menu = new Menu(shell);
	for (int i = 0; i < 9; ++i) {
	final String text = ControlExample.getResourceString("DropDownData_" + i);
	if (text.length() != 0) {
	MenuItem menuItem = new MenuItem(menu, SWT.NONE);
	menuItem.setText(text);
	/*
	* Add a menu selection listener so that the menu is hidden
	* when the user selects an item from the drop down menu.
	*/
	menuItem.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	setMenuVisible(false);
	}
	});
	} else {
	MenuItem menuItem = new MenuItem(menu, SWT.SEPARATOR);
	}
	}
	}

	/**
	* A selection event will be fired when a drop down tool
	* item is selected in the main area and in the drop
	* down arrow. Examine the event detail to determine
	* where the widget was selected.
	*/
	if (event.detail == SWT.ARROW) {
	/*
	* The drop down arrow was selected.
	*/
	if (visible) {
	// Hide the menu to give the Arrow the appearance of being a toggle button.
	setMenuVisible(false);
	} else {
	// Position the menu below and vertically aligned with the the drop down tool button.
	final ToolItem toolItem = (ToolItem) event.widget;
	final ToolBar toolBar = toolItem.getParent();

	Rectangle toolItemBounds = toolItem.getBounds();
	Point point = toolBar.toDisplay(new Point(toolItemBounds.x, toolItemBounds.y));
	menu.setLocation(point.x, point.y + toolItemBounds.height);
	setMenuVisible(true);
	}
	} else {
	/*
	* Main area of drop down tool item selected.
	* An application would invoke the code to perform the action for the tool item.
	*/
	}
	}
	private void setMenuVisible(boolean visible) {
	menu.setVisible(visible);
	this.visible = visible;
	}
	}
	}