| /******************************************************************************* |
| * Copyright (c) 2000, 2003 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.widgets.*; |
| import org.eclipse.swt.layout.*; |
| import org.eclipse.swt.events.*; |
| |
| class LabelTab extends AlignableTab { |
| /* Example widgets and groups that contain them */ |
| Label label1, label2, label3, label4, label5, label6; |
| Group textLabelGroup, imageLabelGroup; |
| |
| /* Style widgets added to the "Style" group */ |
| Button wrapButton, separatorButton, horizontalButton, verticalButton, shadowInButton, shadowOutButton, shadowNoneButton; |
| |
| /** |
| * Creates the Tab within a given instance of ControlExample. |
| */ |
| LabelTab(ControlExample instance) { |
| super(instance); |
| } |
| |
| /** |
| * Creates the "Example" group. |
| */ |
| void createExampleGroup () { |
| super.createExampleGroup (); |
| |
| /* Create a group for the text labels */ |
| textLabelGroup = new Group(exampleGroup, SWT.NONE); |
| GridLayout gridLayout = new GridLayout (); |
| textLabelGroup.setLayout (gridLayout); |
| gridLayout.numColumns = 3; |
| textLabelGroup.setLayoutData (new GridData (GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL)); |
| textLabelGroup.setText (ControlExample.getResourceString("Text_Labels")); |
| |
| /* Create a group for the image labels */ |
| imageLabelGroup = new Group (exampleGroup, SWT.SHADOW_NONE); |
| gridLayout = new GridLayout (); |
| imageLabelGroup.setLayout (gridLayout); |
| gridLayout.numColumns = 3; |
| imageLabelGroup.setLayoutData (new GridData (GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL)); |
| imageLabelGroup.setText (ControlExample.getResourceString("Image_Labels")); |
| } |
| |
| /** |
| * Creates the "Example" widgets. |
| */ |
| void createExampleWidgets () { |
| |
| /* Compute the widget style */ |
| int style = getDefaultStyle(); |
| if (wrapButton.getSelection ()) style |= SWT.WRAP; |
| if (separatorButton.getSelection ()) style |= SWT.SEPARATOR; |
| if (horizontalButton.getSelection ()) style |= SWT.HORIZONTAL; |
| if (verticalButton.getSelection ()) style |= SWT.VERTICAL; |
| if (shadowInButton.getSelection ()) style |= SWT.SHADOW_IN; |
| if (shadowOutButton.getSelection ()) style |= SWT.SHADOW_OUT; |
| if (shadowNoneButton.getSelection ()) style |= SWT.SHADOW_NONE; |
| if (borderButton.getSelection ()) style |= SWT.BORDER; |
| if (leftButton.getSelection ()) style |= SWT.LEFT; |
| if (centerButton.getSelection ()) style |= SWT.CENTER; |
| if (rightButton.getSelection ()) style |= SWT.RIGHT; |
| |
| /* Create the example widgets */ |
| label1 = new Label (textLabelGroup, style); |
| label1.setText(ControlExample.getResourceString("One")); |
| label2 = new Label (textLabelGroup, style); |
| label2.setText(ControlExample.getResourceString("Two")); |
| label3 = new Label (textLabelGroup, style); |
| if (wrapButton.getSelection ()) { |
| label3.setText (ControlExample.getResourceString("Wrap_Text")); |
| } else { |
| label3.setText (ControlExample.getResourceString("Three")); |
| } |
| label4 = new Label (imageLabelGroup, style); |
| label4.setImage (instance.images[ControlExample.ciClosedFolder]); |
| label5 = new Label (imageLabelGroup, style); |
| label5.setImage (instance.images[ControlExample.ciOpenFolder]); |
| label6 = new Label(imageLabelGroup, style); |
| label6.setImage (instance.images[ControlExample.ciTarget]); |
| } |
| |
| /** |
| * Creates the "Style" group. |
| */ |
| void createStyleGroup() { |
| super.createStyleGroup (); |
| |
| /* Create the extra widgets */ |
| wrapButton = new Button (styleGroup, SWT.CHECK); |
| wrapButton.setText ("SWT.WRAP"); |
| separatorButton = new Button (styleGroup, SWT.CHECK); |
| separatorButton.setText ("SWT.SEPARATOR"); |
| horizontalButton = new Button (styleGroup, SWT.RADIO); |
| horizontalButton.setText ("SWT.HORIZONTAL"); |
| verticalButton = new Button (styleGroup, SWT.RADIO); |
| verticalButton.setText ("SWT.VERTICAL"); |
| Group styleSubGroup = new Group (styleGroup, SWT.NONE); |
| styleSubGroup.setLayout (new GridLayout ()); |
| shadowInButton = new Button (styleSubGroup, SWT.RADIO); |
| shadowInButton.setText ("SWT.SHADOW_IN"); |
| shadowOutButton = new Button (styleSubGroup, SWT.RADIO); |
| shadowOutButton.setText ("SWT.SHADOW_OUT"); |
| shadowNoneButton = new Button (styleSubGroup, SWT.RADIO); |
| shadowNoneButton.setText ("SWT.SHADOW_NONE"); |
| borderButton = new Button(styleGroup, SWT.CHECK); |
| borderButton.setText("SWT.BORDER"); |
| |
| /* 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 (); |
| }; |
| }; |
| shadowInButton.addSelectionListener (selectionListener); |
| shadowOutButton.addSelectionListener (selectionListener); |
| shadowNoneButton.addSelectionListener (selectionListener); |
| } |
| |
| /** |
| * Gets the "Example" widget children. |
| */ |
| Control [] getExampleWidgets () { |
| return new Control [] {label1, label2, label3, label4, label5, label6}; |
| } |
| |
| /** |
| * Gets the text for the tab folder item. |
| */ |
| String getTabText () { |
| return "Label"; |
| } |
| |
| /** |
| * Sets the alignment of the "Example" widgets. |
| */ |
| void setExampleWidgetAlignment () { |
| int alignment = 0; |
| if (leftButton.getSelection ()) alignment = SWT.LEFT; |
| if (centerButton.getSelection ()) alignment = SWT.CENTER; |
| if (rightButton.getSelection ()) alignment = SWT.RIGHT; |
| label1.setAlignment (alignment); |
| label2.setAlignment (alignment); |
| label3.setAlignment (alignment); |
| label4.setAlignment (alignment); |
| label5.setAlignment (alignment); |
| label6.setAlignment (alignment); |
| } |
| |
| /** |
| * Sets the state of the "Example" widgets. |
| */ |
| void setExampleWidgetState () { |
| super.setExampleWidgetState (); |
| boolean isSeparator = (label1.getStyle () & SWT.SEPARATOR) != 0; |
| wrapButton.setSelection (!isSeparator && (label1.getStyle () & SWT.WRAP) != 0); |
| leftButton.setSelection (!isSeparator && (label1.getStyle () & SWT.LEFT) != 0); |
| centerButton.setSelection (!isSeparator && (label1.getStyle () & SWT.CENTER) != 0); |
| rightButton.setSelection (!isSeparator && (label1.getStyle () & SWT.RIGHT) != 0); |
| shadowInButton.setSelection (isSeparator && (label1.getStyle () & SWT.SHADOW_IN) != 0); |
| shadowOutButton.setSelection (isSeparator && (label1.getStyle () & SWT.SHADOW_OUT) != 0); |
| shadowNoneButton.setSelection (isSeparator && (label1.getStyle () & SWT.SHADOW_NONE) != 0); |
| horizontalButton.setSelection (isSeparator && (label1.getStyle () & SWT.HORIZONTAL) != 0); |
| verticalButton.setSelection (isSeparator && (label1.getStyle () & SWT.VERTICAL) != 0); |
| wrapButton.setEnabled (!isSeparator); |
| leftButton.setEnabled (!isSeparator); |
| centerButton.setEnabled (!isSeparator); |
| rightButton.setEnabled (!isSeparator); |
| shadowInButton.setEnabled (isSeparator); |
| shadowOutButton.setEnabled (isSeparator); |
| shadowNoneButton.setEnabled (isSeparator); |
| horizontalButton.setEnabled (isSeparator); |
| verticalButton.setEnabled (isSeparator); |
| } |
| } |