| /******************************************************************************* |
| * 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 Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-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 CTabFolderTab extends Tab { |
| int lastSelectedTab = 0; |
| |
| /* Example widgets and groups that contain them */ |
| CTabFolder tabFolder1; |
| Group tabFolderGroup, itemGroup; |
| |
| /* Style widgets added to the "Style" group */ |
| Button topButton, bottomButton, flatButton, closeButton; |
| |
| static String [] CTabItems1 = {ControlExample.getResourceString("CTabItem1_0"), |
| ControlExample.getResourceString("CTabItem1_1"), |
| ControlExample.getResourceString("CTabItem1_2")}; |
| |
| /* Controls and resources added to the "Fonts" group */ |
| Button foregroundSelectionButton, backgroundSelectionButton, itemFontButton; |
| Image foregroundSelectionImage, backgroundSelectionImage; |
| Color foregroundSelectionColor, backgroundSelectionColor; |
| Font itemFont; |
| |
| /* Other widgets added to the "Other" group */ |
| Button simpleTabButton, singleTabButton, imageButton, showMinButton, showMaxButton, unselectedCloseButton, unselectedImageButton; |
| |
| /** |
| * Creates the Tab within a given instance of ControlExample. |
| */ |
| CTabFolderTab(ControlExample instance) { |
| super(instance); |
| } |
| |
| /** |
| * Creates the "Fonts" group. |
| */ |
| void createColorGroup () { |
| /* Create the group */ |
| colorGroup = new Group(controlGroup, SWT.NONE); |
| colorGroup.setLayout (new GridLayout (2, false)); |
| colorGroup.setLayoutData (new GridData (GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL)); |
| colorGroup.setText (ControlExample.getResourceString ("Colors")); |
| |
| new Label (colorGroup, SWT.NONE).setText (ControlExample.getResourceString ("Foreground_Color")); |
| foregroundButton = new Button (colorGroup, SWT.PUSH); |
| |
| new Label (colorGroup, SWT.NONE).setText (ControlExample.getResourceString ("Background_Color")); |
| backgroundButton = new Button (colorGroup, SWT.PUSH); |
| |
| new Label (colorGroup, SWT.NONE).setText (ControlExample.getResourceString ("Selection_Foreground_Color")); |
| foregroundSelectionButton = new Button (colorGroup, SWT.PUSH); |
| |
| new Label (colorGroup, SWT.NONE).setText (ControlExample.getResourceString ("Selection_Background_Color")); |
| backgroundSelectionButton = new Button (colorGroup, SWT.PUSH); |
| |
| fontButton = new Button (colorGroup, SWT.PUSH); |
| fontButton.setText(ControlExample.getResourceString("Font")); |
| fontButton.setLayoutData(new GridData (SWT.FILL, SWT.CENTER, false, false, 2, 1)); |
| |
| itemFontButton = new Button (colorGroup, SWT.PUSH); |
| itemFontButton.setText(ControlExample.getResourceString("Item_Font")); |
| itemFontButton.setLayoutData(new GridData (SWT.FILL, SWT.CENTER, false, false, 2, 1)); |
| |
| Button defaultsButton = new Button (colorGroup, SWT.PUSH); |
| defaultsButton.setText(ControlExample.getResourceString("Defaults")); |
| |
| Shell shell = controlGroup.getShell (); |
| final ColorDialog colorDialog = new ColorDialog (shell); |
| final FontDialog fontDialog = new FontDialog (shell); |
| |
| /* Create images to display current colors */ |
| int imageSize = 12; |
| Display display = shell.getDisplay (); |
| foregroundImage = new Image (display, imageSize, imageSize); |
| backgroundImage = new Image (display, imageSize, imageSize); |
| foregroundSelectionImage = new Image (display, imageSize, imageSize); |
| backgroundSelectionImage = new Image (display, imageSize, imageSize); |
| |
| /* Add listeners to set the colors and font */ |
| foregroundButton.setImage(foregroundImage); // sets the size of the button |
| foregroundButton.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent event) { |
| Color oldColor = foregroundColor; |
| if (oldColor == null) { |
| Control [] controls = getExampleWidgets (); |
| if (controls.length > 0) oldColor = controls [0].getForeground (); |
| } |
| if (oldColor != null) colorDialog.setRGB(oldColor.getRGB()); // seed dialog with current color |
| RGB rgb = colorDialog.open(); |
| if (rgb == null) return; |
| oldColor = foregroundColor; // save old foreground color to dispose when done |
| foregroundColor = new Color (event.display, rgb); |
| setExampleWidgetForeground (); |
| if (oldColor != null) oldColor.dispose (); |
| } |
| }); |
| backgroundButton.setImage(backgroundImage); // sets the size of the button |
| backgroundButton.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent event) { |
| Color oldColor = backgroundColor; |
| if (oldColor == null) { |
| Control [] controls = getExampleWidgets (); |
| if (controls.length > 0) oldColor = controls [0].getBackground (); // seed dialog with current color |
| } |
| if (oldColor != null) colorDialog.setRGB(oldColor.getRGB()); |
| RGB rgb = colorDialog.open(); |
| if (rgb == null) return; |
| oldColor = backgroundColor; // save old background color to dispose when done |
| backgroundColor = new Color (event.display, rgb); |
| setExampleWidgetBackground (); |
| if (oldColor != null) oldColor.dispose (); |
| } |
| }); |
| foregroundSelectionButton.setImage(foregroundSelectionImage); // sets the size of the button |
| foregroundSelectionButton.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent event) { |
| Color oldColor = foregroundSelectionColor; |
| if (oldColor == null) { |
| Control [] controls = getExampleWidgets (); |
| if (controls.length > 0) oldColor = controls [0].getForeground (); |
| } |
| if (oldColor != null) colorDialog.setRGB(oldColor.getRGB()); // seed dialog with current color |
| RGB rgb = colorDialog.open(); |
| if (rgb == null) return; |
| oldColor = foregroundSelectionColor; // save old foreground color to dispose when done |
| foregroundSelectionColor = new Color (event.display, rgb); |
| setExampleWidgetForeground (); |
| if (oldColor != null) oldColor.dispose (); |
| } |
| }); |
| backgroundSelectionButton.setImage(backgroundSelectionImage); // sets the size of the button |
| backgroundSelectionButton.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent event) { |
| Color oldColor = backgroundSelectionColor; |
| if (oldColor == null) { |
| Control [] controls = getExampleWidgets (); |
| if (controls.length > 0) oldColor = controls [0].getBackground (); // seed dialog with current color |
| } |
| if (oldColor != null) colorDialog.setRGB(oldColor.getRGB()); |
| RGB rgb = colorDialog.open(); |
| if (rgb == null) return; |
| oldColor = backgroundSelectionColor; // save old background color to dispose when done |
| backgroundSelectionColor = new Color (event.display, rgb); |
| setExampleWidgetBackground (); |
| if (oldColor != null) oldColor.dispose (); |
| } |
| }); |
| fontButton.addSelectionListener(new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| Font oldFont = font; |
| if (oldFont == null) { |
| Control [] controls = getExampleWidgets (); |
| if (controls.length > 0) oldFont = controls [0].getFont (); |
| } |
| if (oldFont != null) fontDialog.setFontList(oldFont.getFontData()); // seed dialog with current font |
| FontData fontData = fontDialog.open (); |
| if (fontData == null) return; |
| oldFont = font; // dispose old font when done |
| font = new Font (event.display, fontData); |
| setExampleWidgetFont (); |
| setExampleWidgetSize (); |
| if (oldFont != null) oldFont.dispose (); |
| } |
| }); |
| |
| |
| /* Add listeners to set the colors and font */ |
| itemFontButton.addSelectionListener(new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| Font oldFont = itemFont; |
| if (oldFont == null) oldFont = tabFolder1.getItem (0).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 (); |
| } |
| }); |
| |
| defaultsButton.addSelectionListener(new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent e) { |
| resetColorsAndFonts (); |
| } |
| }); |
| |
| shell.addDisposeListener(new DisposeListener() { |
| public void widgetDisposed(DisposeEvent event) { |
| if (foregroundImage != null) foregroundImage.dispose(); |
| if (backgroundImage != null) backgroundImage.dispose(); |
| if (foregroundColor != null) foregroundColor.dispose(); |
| if (backgroundColor != null) backgroundColor.dispose(); |
| if (font != null) font.dispose(); |
| foregroundColor = null; |
| backgroundColor = null; |
| font = null; |
| if (foregroundSelectionImage != null) foregroundSelectionImage.dispose(); |
| if (backgroundSelectionImage != null) backgroundSelectionImage.dispose(); |
| if (foregroundSelectionColor != null) foregroundSelectionColor.dispose(); |
| if (backgroundSelectionColor != null) backgroundSelectionColor.dispose(); |
| foregroundSelectionColor = null; |
| backgroundSelectionColor = null; |
| if (itemFont != null) itemFont.dispose(); |
| itemFont = null; |
| } |
| }); |
| } |
| |
| /** |
| * Creates the "Other" group. |
| */ |
| void createOtherGroup () { |
| super.createOtherGroup (); |
| |
| /* Create display controls specific to this example */ |
| simpleTabButton = new Button (otherGroup, SWT.CHECK); |
| simpleTabButton.setText (ControlExample.getResourceString("Set_Simple_Tabs")); |
| simpleTabButton.setSelection(true); |
| simpleTabButton.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| setSimpleTabs(); |
| } |
| }); |
| |
| singleTabButton = new Button (otherGroup, SWT.CHECK); |
| singleTabButton.setText (ControlExample.getResourceString("Set_Single_Tabs")); |
| singleTabButton.setSelection(false); |
| singleTabButton.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| setSingleTabs(); |
| } |
| }); |
| |
| showMinButton = new Button (otherGroup, SWT.CHECK); |
| showMinButton.setText (ControlExample.getResourceString("Set_Min_Visible")); |
| showMinButton.setSelection(false); |
| showMinButton.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| setMinimizeVisible(); |
| } |
| }); |
| |
| showMaxButton = new Button (otherGroup, SWT.CHECK); |
| showMaxButton.setText (ControlExample.getResourceString("Set_Max_Visible")); |
| showMaxButton.setSelection(false); |
| showMaxButton.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| setMaximizeVisible(); |
| } |
| }); |
| |
| imageButton = new Button (otherGroup, SWT.CHECK); |
| imageButton.setText (ControlExample.getResourceString("Set_Image")); |
| imageButton.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| setImages(); |
| } |
| }); |
| |
| unselectedImageButton = new Button (otherGroup, SWT.CHECK); |
| unselectedImageButton.setText (ControlExample.getResourceString("Set_Unselected_Image_Visible")); |
| unselectedImageButton.setSelection(true); |
| unselectedImageButton.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| setUnselectedImageVisible(); |
| } |
| }); |
| unselectedCloseButton = new Button (otherGroup, SWT.CHECK); |
| unselectedCloseButton.setText (ControlExample.getResourceString("Set_Unselected_Close_Visible")); |
| unselectedCloseButton.setSelection(true); |
| unselectedCloseButton.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| setUnselectedCloseVisible(); |
| } |
| }); |
| } |
| |
| /** |
| * Creates the "Example" group. |
| */ |
| void createExampleGroup () { |
| super.createExampleGroup (); |
| |
| /* Create a group for the CTabFolder */ |
| tabFolderGroup = new Group (exampleGroup, SWT.NONE); |
| tabFolderGroup.setLayout (new GridLayout ()); |
| tabFolderGroup.setLayoutData (new GridData (GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL)); |
| tabFolderGroup.setText ("CTabFolder"); |
| } |
| |
| /** |
| * Creates the "Example" widgets. |
| */ |
| void createExampleWidgets () { |
| |
| /* Compute the widget style */ |
| int style = getDefaultStyle(); |
| if (topButton.getSelection ()) style |= SWT.TOP; |
| if (bottomButton.getSelection ()) style |= SWT.BOTTOM; |
| if (borderButton.getSelection ()) style |= SWT.BORDER; |
| if (flatButton.getSelection ()) style |= SWT.FLAT; |
| if (closeButton.getSelection ()) style |= SWT.CLOSE; |
| |
| /* Create the example widgets */ |
| tabFolder1 = new CTabFolder (tabFolderGroup, style); |
| for (int i = 0; i < CTabItems1.length; i++) { |
| CTabItem item = new CTabItem(tabFolder1, SWT.NONE); |
| item.setText(CTabItems1[i]); |
| Text text = new Text(tabFolder1, SWT.READ_ONLY); |
| text.setText(ControlExample.getResourceString("CTabItem_content") + ": " + i); |
| item.setControl(text); |
| } |
| tabFolder1.addListener(SWT.Selection, new Listener() { |
| public void handleEvent(Event event) { |
| lastSelectedTab = tabFolder1.getSelectionIndex(); |
| } |
| }); |
| tabFolder1.setSelection(lastSelectedTab); |
| } |
| |
| /** |
| * Creates the "Style" group. |
| */ |
| void createStyleGroup() { |
| super.createStyleGroup (); |
| |
| /* Create the extra widgets */ |
| topButton = new Button (styleGroup, SWT.RADIO); |
| topButton.setText ("SWT.TOP"); |
| topButton.setSelection(true); |
| bottomButton = new Button (styleGroup, SWT.RADIO); |
| bottomButton.setText ("SWT.BOTTOM"); |
| borderButton = new Button (styleGroup, SWT.CHECK); |
| borderButton.setText ("SWT.BORDER"); |
| flatButton = new Button (styleGroup, SWT.CHECK); |
| flatButton.setText ("SWT.FLAT"); |
| closeButton = new Button (styleGroup, SWT.CHECK); |
| closeButton.setText ("SWT.CLOSE"); |
| |
| /* Add the listeners */ |
| SelectionListener selectionListener = new SelectionAdapter () { |
| public void widgetSelected(SelectionEvent event) { |
| if ((event.widget.getStyle() & SWT.RADIO) != 0) { |
| if (!((Button) event.widget).getSelection ()) return; |
| } |
| recreateExampleWidgets (); |
| } |
| }; |
| topButton.addSelectionListener (selectionListener); |
| bottomButton.addSelectionListener (selectionListener); |
| borderButton.addSelectionListener (selectionListener); |
| flatButton.addSelectionListener (selectionListener); |
| closeButton.addSelectionListener (selectionListener); |
| } |
| |
| /** |
| * Gets the list of custom event names. |
| * |
| * @return an array containing custom event names |
| */ |
| String [] getCustomEventNames () { |
| return new String [] {"CTabFolderEvent"}; |
| } |
| |
| /** |
| * Gets the "Example" widget children's items, if any. |
| * |
| * @return an array containing the example widget children's items |
| */ |
| Item [] getExampleWidgetItems () { |
| return tabFolder1.getItems(); |
| } |
| |
| /** |
| * Gets the "Example" widget children. |
| */ |
| Control [] getExampleWidgets () { |
| return new Control [] {tabFolder1}; |
| } |
| |
| /** |
| * Gets the text for the tab folder item. |
| */ |
| String getTabText () { |
| return "CTabFolder"; |
| } |
| |
| /** |
| * Hooks the custom listener specified by eventName. |
| */ |
| void hookCustomListener (final String eventName) { |
| if (eventName == "CTabFolderEvent") { |
| tabFolder1.addCTabFolder2Listener (new CTabFolder2Adapter () { |
| public void itemClosed (CTabFolderEvent event) { |
| log (eventName, event); |
| } |
| }); |
| } |
| } |
| |
| /** |
| * 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 () { |
| Color oldColor = foregroundSelectionColor; |
| foregroundSelectionColor = null; |
| if (oldColor != null) oldColor.dispose(); |
| oldColor = backgroundSelectionColor; |
| backgroundSelectionColor = null; |
| if (oldColor != null) oldColor.dispose(); |
| Font oldFont = itemFont; |
| itemFont = null; |
| if (oldFont != null) oldFont.dispose(); |
| super.resetColorsAndFonts (); |
| } |
| |
| void setExampleWidgetForeground () { |
| if (foregroundSelectionButton == null || tabFolder1 == null) return; |
| tabFolder1.setSelectionForeground(foregroundSelectionColor); |
| // Set the foreground button's color to match the color just set. |
| Color color = foregroundSelectionColor; |
| if (color == null) color = tabFolder1.getSelectionForeground (); |
| drawImage (foregroundSelectionImage, color); |
| foregroundSelectionButton.setImage (foregroundSelectionImage); |
| super.setExampleWidgetForeground(); |
| } |
| |
| void setExampleWidgetBackground () { |
| if (backgroundSelectionButton == null || tabFolder1 == null) return; |
| tabFolder1.setSelectionBackground(backgroundSelectionColor); |
| // Set the background button's color to match the color just set. |
| Color color = backgroundSelectionColor; |
| if (color == null) color = tabFolder1.getSelectionBackground (); |
| drawImage (backgroundSelectionImage, color); |
| backgroundSelectionButton.setImage (backgroundSelectionImage); |
| super.setExampleWidgetBackground(); |
| } |
| void setExampleWidgetFont () { |
| if (instance.startup) return; |
| if (itemFontButton == null) return; // no font button on this tab |
| CTabItem[] items = tabFolder1.getItems(); |
| if (items.length > 0) { |
| items[0].setFont(itemFont); |
| } |
| super.setExampleWidgetFont(); |
| } |
| /** |
| * Sets the state of the "Example" widgets. |
| */ |
| void setExampleWidgetState () { |
| super.setExampleWidgetState(); |
| setSimpleTabs(); |
| setSingleTabs(); |
| setImages(); |
| setMinimizeVisible(); |
| setMaximizeVisible(); |
| setUnselectedCloseVisible(); |
| setUnselectedImageVisible(); |
| setExampleWidgetSize(); |
| } |
| |
| /** |
| * Sets the shape that the CTabFolder will use to render itself. |
| */ |
| void setSimpleTabs () { |
| tabFolder1.setSimple (simpleTabButton.getSelection ()); |
| setExampleWidgetSize(); |
| } |
| |
| /** |
| * Sets the number of tabs that the CTabFolder should display. |
| */ |
| void setSingleTabs () { |
| tabFolder1.setSingle (singleTabButton.getSelection ()); |
| setExampleWidgetSize(); |
| } |
| /** |
| * Sets an image into each item of the "Example" widgets. |
| */ |
| void setImages () { |
| boolean setImage = imageButton.getSelection (); |
| CTabItem items[] = tabFolder1.getItems (); |
| for (int i = 0; i < items.length; i++) { |
| if (setImage) { |
| items[i].setImage (instance.images[ControlExample.ciClosedFolder]); |
| } else { |
| items[i].setImage (null); |
| } |
| } |
| setExampleWidgetSize (); |
| } |
| /** |
| * Sets the visibility of the minimize button |
| */ |
| void setMinimizeVisible () { |
| tabFolder1.setMinimizeVisible(showMinButton.getSelection ()); |
| setExampleWidgetSize(); |
| } |
| /** |
| * Sets the visibility of the maximize button |
| */ |
| void setMaximizeVisible () { |
| tabFolder1.setMaximizeVisible(showMaxButton.getSelection ()); |
| setExampleWidgetSize(); |
| } |
| /** |
| * Sets the visibility of the close button on unselected tabs |
| */ |
| void setUnselectedCloseVisible () { |
| tabFolder1.setUnselectedCloseVisible(unselectedCloseButton.getSelection ()); |
| setExampleWidgetSize(); |
| } |
| /** |
| * Sets the visibility of the image on unselected tabs |
| */ |
| void setUnselectedImageVisible () { |
| tabFolder1.setUnselectedImageVisible(unselectedImageButton.getSelection ()); |
| setExampleWidgetSize(); |
| } |
| /** |
| * Sets the font of CTabItem 0. |
| */ |
| void setItemFont () { |
| if (instance.startup) return; |
| tabFolder1.getItem (0).setFont (itemFont); |
| setExampleWidgetSize(); |
| } |
| } |