| /******************************************************************************* |
| * Copyright (c) 2000, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.examples.controlexample; |
| |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.custom.*; |
| import org.eclipse.swt.events.*; |
| import org.eclipse.swt.layout.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.widgets.*; |
| |
| class TableTreeTab extends ScrollableTab { |
| /* Example widgets and groups that contain them */ |
| TableTree tree1; |
| TableTreeItem node1; |
| Group treeGroup, itemGroup; |
| |
| /* Style widgets added to the "Style" group */ |
| Button checkButton, fullSelectionButton; |
| |
| /* Controls and resources added to the "Colors" group */ |
| Button itemForegroundButton, itemBackgroundButton, itemFontButton; |
| Color itemForegroundColor, itemBackgroundColor; |
| Image itemForegroundImage, itemBackgroundImage; |
| Font itemFont; |
| |
| /* Other widgets added to the "Other" group */ |
| Button headerVisibleButton, linesVisibleButton; |
| |
| /** |
| * Creates the Tab within a given instance of ControlExample. |
| */ |
| TableTreeTab(ControlExample instance) { |
| super(instance); |
| } |
| |
| /** |
| * Creates the "Colors" group. |
| */ |
| void createColorGroup () { |
| super.createColorGroup(); |
| |
| itemGroup = new Group (colorGroup, SWT.NONE); |
| itemGroup.setText (ControlExample.getResourceString ("Tree_Item_Colors")); |
| GridData data = new GridData (); |
| data.horizontalSpan = 2; |
| itemGroup.setLayoutData (data); |
| itemGroup.setLayout (new GridLayout (2, false)); |
| new Label (itemGroup, SWT.NONE).setText (ControlExample.getResourceString ("Foreground_Color")); |
| itemForegroundButton = new Button (itemGroup, SWT.PUSH); |
| new Label (itemGroup, SWT.NONE).setText (ControlExample.getResourceString ("Background_Color")); |
| itemBackgroundButton = new Button (itemGroup, SWT.PUSH); |
| itemFontButton = new Button (itemGroup, SWT.PUSH); |
| itemFontButton.setText(ControlExample.getResourceString("Font")); |
| itemFontButton.setLayoutData(new GridData (GridData.HORIZONTAL_ALIGN_FILL)); |
| |
| Shell shell = colorGroup.getShell (); |
| final ColorDialog foregroundDialog = new ColorDialog (shell); |
| final ColorDialog backgroundDialog = new ColorDialog (shell); |
| final FontDialog fontDialog = new FontDialog (shell); |
| |
| int imageSize = 12; |
| Display display = shell.getDisplay (); |
| itemForegroundImage = new Image(display, imageSize, imageSize); |
| itemBackgroundImage = new Image(display, imageSize, imageSize); |
| |
| /* Add listeners to set the colors and font */ |
| itemForegroundButton.setImage(itemForegroundImage); |
| itemForegroundButton.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent event) { |
| Color oldColor = itemForegroundColor; |
| if (oldColor == null) oldColor = node1.getForeground (); |
| foregroundDialog.setRGB(oldColor.getRGB()); |
| RGB rgb = foregroundDialog.open(); |
| if (rgb == null) return; |
| oldColor = itemForegroundColor; |
| itemForegroundColor = new Color (event.display, rgb); |
| setItemForeground (); |
| if (oldColor != null) oldColor.dispose (); |
| } |
| }); |
| itemBackgroundButton.setImage(itemBackgroundImage); |
| itemBackgroundButton.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent event) { |
| Color oldColor = itemBackgroundColor; |
| if (oldColor == null) oldColor = node1.getBackground (); |
| backgroundDialog.setRGB(oldColor.getRGB()); |
| RGB rgb = backgroundDialog.open(); |
| if (rgb == null) return; |
| oldColor = itemBackgroundColor; |
| itemBackgroundColor = new Color (event.display, rgb); |
| setItemBackground (); |
| if (oldColor != null) oldColor.dispose (); |
| } |
| }); |
| itemFontButton.addSelectionListener(new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| Font oldFont = itemFont; |
| if (oldFont == null) oldFont = node1.getFont (); |
| fontDialog.setFontList(oldFont.getFontData()); |
| FontData fontData = fontDialog.open (); |
| if (fontData == null) return; |
| oldFont = itemFont; |
| itemFont = new Font (event.display, fontData); |
| setItemFont (); |
| setExampleWidgetSize (); |
| if (oldFont != null) oldFont.dispose (); |
| } |
| }); |
| shell.addDisposeListener(new DisposeListener() { |
| public void widgetDisposed(DisposeEvent event) { |
| if (itemBackgroundImage != null) itemBackgroundImage.dispose(); |
| if (itemForegroundImage != null) itemForegroundImage.dispose(); |
| if (itemBackgroundColor != null) itemBackgroundColor.dispose(); |
| if (itemForegroundColor != null) itemForegroundColor.dispose(); |
| if (itemFont != null) itemFont.dispose(); |
| itemBackgroundColor = null; |
| itemForegroundColor = null; |
| itemFont = null; |
| } |
| }); |
| } |
| |
| /** |
| * Creates the "Other" group. |
| */ |
| void createOtherGroup () { |
| super.createOtherGroup (); |
| |
| /* Create display controls specific to this example */ |
| headerVisibleButton = new Button (otherGroup, SWT.CHECK); |
| headerVisibleButton.setText (ControlExample.getResourceString("Header_Visible")); |
| linesVisibleButton = new Button (otherGroup, SWT.CHECK); |
| linesVisibleButton.setText (ControlExample.getResourceString("Lines_Visible")); |
| |
| /* Add the listeners */ |
| headerVisibleButton.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| setWidgetHeaderVisible(); |
| } |
| }); |
| linesVisibleButton.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| setWidgetLinesVisible(); |
| }; |
| }); |
| } |
| |
| /** |
| * Creates the "Example" group. |
| */ |
| void createExampleGroup () { |
| super.createExampleGroup (); |
| |
| /* Create a group for the text tree */ |
| treeGroup = new Group (exampleGroup, SWT.NONE); |
| treeGroup.setLayout (new GridLayout ()); |
| treeGroup.setLayoutData (new GridData (GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL)); |
| treeGroup.setText ("TableTree"); |
| } |
| |
| /** |
| * Creates the "Example" widgets. |
| */ |
| void createExampleWidgets () { |
| /* Compute the widget style */ |
| int style = getDefaultStyle(); |
| if (singleButton.getSelection()) style |= SWT.SINGLE; |
| if (multiButton.getSelection()) style |= SWT.MULTI; |
| if (checkButton.getSelection()) style |= SWT.CHECK; |
| if (borderButton.getSelection()) style |= SWT.BORDER; |
| if (fullSelectionButton.getSelection()) style |= SWT.FULL_SELECTION; |
| |
| /* Create the text tree */ |
| tree1 = new TableTree (treeGroup, style); |
| Table table = tree1.getTable(); |
| for (int i = 0; i < 3; i++) { |
| TableColumn column = new TableColumn (table,SWT.NONE); |
| column.setWidth(100); |
| column.setText(ControlExample.getResourceString("TableTree_column") + ": " + i); |
| } |
| node1 = new TableTreeItem (tree1, SWT.NONE); |
| for (int i = 0; i < 3; i++) { |
| node1.setText (i, ControlExample.getResourceString("Node_1") + "-" + i); |
| } |
| node1.setImage (instance.images[ControlExample.ciOpenFolder]); |
| TableTreeItem node2 = new TableTreeItem (tree1, SWT.NONE); |
| for (int i = 0; i < 3; i++) { |
| node2.setText (i, ControlExample.getResourceString("Node_2") + "-" + i); |
| } |
| node2.setImage (instance.images[ControlExample.ciClosedFolder]); |
| TableTreeItem node3 = new TableTreeItem (tree1, SWT.NONE); |
| for (int i = 0; i < 3; i++) { |
| node3.setText (i, ControlExample.getResourceString("Node_3") + "-" + i); |
| } |
| node3.setImage (instance.images[ControlExample.ciTarget]); |
| TableTreeItem node4 = new TableTreeItem (tree1, SWT.NONE); |
| for (int i = 0; i < 3; i++) { |
| node4.setText (i, ControlExample.getResourceString("Node_4") + "-" + i); |
| } |
| node4.setImage (instance.images[ControlExample.ciOpenFolder]); |
| TableTreeItem node1_1 = new TableTreeItem (node1, SWT.NONE); |
| for (int i = 0; i < 3; i++) { |
| node1_1.setText (i, ControlExample.getResourceString("Node_1_1") + "-" + i); |
| } |
| node1_1.setImage (instance.images[ControlExample.ciClosedFolder]); |
| TableTreeItem node2_1 = new TableTreeItem (node2, SWT.NONE); |
| for (int i = 0; i < 3; i++) { |
| node2_1.setText (i, ControlExample.getResourceString("Node_2_1") + "-" + i); |
| } |
| node2_1.setImage (instance.images[ControlExample.ciTarget]); |
| TableTreeItem node3_1 = new TableTreeItem (node3, SWT.NONE); |
| for (int i = 0; i < 3; i++) { |
| node3_1.setText (i, ControlExample.getResourceString("Node_3_1") + "-" + i); |
| } |
| node3_1.setImage (instance.images[ControlExample.ciOpenFolder]); |
| TableTreeItem node2_2 = new TableTreeItem (node2, SWT.NONE); |
| for (int i = 0; i < 3; i++) { |
| node2_2.setText (i, ControlExample.getResourceString("Node_2_2") + "-" + i); |
| } |
| node2_2.setImage (instance.images[ControlExample.ciClosedFolder]); |
| TableTreeItem node2_2_1 = new TableTreeItem (node2_2, SWT.NONE); |
| for (int i = 0; i < 3; i++) { |
| node2_2_1.setText (i, ControlExample.getResourceString("Node_2_2_1") + "-" + i); |
| } |
| node2_2_1.setImage (instance.images[ControlExample.ciTarget]); |
| } |
| |
| /** |
| * Creates the "Style" group. |
| */ |
| void createStyleGroup() { |
| super.createStyleGroup(); |
| |
| /* Create the extra widgets */ |
| checkButton = new Button (styleGroup, SWT.CHECK); |
| checkButton.setText ("SWT.CHECK"); |
| fullSelectionButton = new Button (styleGroup, SWT.CHECK); |
| fullSelectionButton.setText ("SWT.FULL_SELECTION"); |
| } |
| |
| /** |
| * Creates the tab folder page. |
| * |
| * @param tabFolder org.eclipse.swt.widgets.TabFolder |
| * @return the new page for the tab folder |
| */ |
| Composite createTabFolderPage (TabFolder tabFolder) { |
| super.createTabFolderPage (tabFolder); |
| |
| /* |
| * Add a resize listener to the tabFolderPage so that |
| * if the user types into the example widget to change |
| * its preferred size, and then resizes the shell, we |
| * recalculate the preferred size correctly. |
| */ |
| tabFolderPage.addControlListener(new ControlAdapter() { |
| public void controlResized(ControlEvent e) { |
| setExampleWidgetSize (); |
| } |
| }); |
| |
| return tabFolderPage; |
| } |
| |
| /** |
| * Gets the "Example" widget children's items, if any. |
| * |
| * @return an array containing the example widget children's items |
| */ |
| Item [] getExampleWidgetItems () { |
| return tree1.getItems(); |
| } |
| |
| /** |
| * Gets the "Example" widget children. |
| */ |
| Control [] getExampleWidgets () { |
| return new Control [] {tree1}; |
| } |
| |
| /** |
| * Gets the text for the tab folder item. |
| */ |
| String getTabText () { |
| return "TableTree"; |
| } |
| |
| /** |
| * Sets the foreground color, background color, and font |
| * of the "Example" widgets to their default settings. |
| * Also sets foreground and background color of the Node 1 |
| * TreeItems to default settings. |
| */ |
| void resetColorsAndFonts () { |
| super.resetColorsAndFonts (); |
| Color oldColor = itemForegroundColor; |
| itemForegroundColor = null; |
| setItemForeground (); |
| if (oldColor != null) oldColor.dispose(); |
| oldColor = itemBackgroundColor; |
| itemBackgroundColor = null; |
| setItemBackground (); |
| if (oldColor != null) oldColor.dispose(); |
| Font oldFont = font; |
| itemFont = null; |
| setItemFont (); |
| setExampleWidgetSize (); |
| if (oldFont != null) oldFont.dispose(); |
| } |
| |
| /** |
| * Sets the state of the "Example" widgets. |
| */ |
| void setExampleWidgetState () { |
| super.setExampleWidgetState (); |
| setItemBackground (); |
| setItemForeground (); |
| setItemFont (); |
| setExampleWidgetSize (); |
| setWidgetHeaderVisible (); |
| setWidgetLinesVisible (); |
| } |
| |
| /** |
| * Sets the background color of the Node 1 TreeItems. |
| */ |
| void setItemBackground () { |
| node1.setBackground (itemBackgroundColor); |
| /* Set the background button's color to match the color just set. */ |
| Color color = itemBackgroundColor; |
| if (color == null) color = node1.getBackground (); |
| drawImage (itemBackgroundImage, color); |
| itemBackgroundButton.setImage (itemBackgroundImage); |
| } |
| |
| /** |
| * Sets the foreground color of the Node 1 TreeItems. |
| */ |
| void setItemForeground () { |
| node1.setForeground (itemForegroundColor); |
| /* Set the foreground button's color to match the color just set. */ |
| Color color = itemForegroundColor; |
| if (color == null) color = node1.getForeground (); |
| drawImage (itemForegroundImage, color); |
| itemForegroundButton.setImage (itemForegroundImage); |
| } |
| |
| /** |
| * Sets the font of the Node 1 TreeItems. |
| */ |
| void setItemFont () { |
| if (instance.startup) return; |
| node1.setFont (itemFont); |
| } |
| |
| /** |
| * Sets the header visible state of the "Example" widgets. |
| */ |
| void setWidgetHeaderVisible () { |
| tree1.getTable().setHeaderVisible (headerVisibleButton.getSelection ()); |
| } |
| |
| /** |
| * Sets the lines visible state of the "Example" widgets. |
| */ |
| void setWidgetLinesVisible () { |
| tree1.getTable().setLinesVisible (linesVisibleButton.getSelection ()); |
| } |
| } |