| /******************************************************************************* |
| * Copyright (c) 2008, 2019 Angelo Zerr and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Angelo Zerr <angelo.zerr@gmail.com> - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.e4.ui.css.swt.properties.css2; |
| |
| import org.eclipse.e4.ui.css.core.dom.properties.css2.AbstractCSSPropertyTextHandler; |
| import org.eclipse.e4.ui.css.core.dom.properties.css2.ICSSPropertyTextHandler; |
| import org.eclipse.e4.ui.css.core.engine.CSSEngine; |
| import org.eclipse.e4.ui.css.swt.CSSSWTConstants; |
| import org.eclipse.e4.ui.css.swt.helpers.CSSSWTColorHelper; |
| import org.eclipse.e4.ui.css.swt.helpers.SWTElementHelpers; |
| import org.eclipse.swt.custom.CTabFolder; |
| import org.eclipse.swt.custom.CTabItem; |
| import org.eclipse.swt.events.VerifyEvent; |
| import org.eclipse.swt.events.VerifyListener; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.swt.widgets.Widget; |
| import org.w3c.dom.css.CSSValue; |
| |
| public class CSSPropertyTextSWTHandler extends AbstractCSSPropertyTextHandler { |
| |
| public static final ICSSPropertyTextHandler INSTANCE = new CSSPropertyTextSWTHandler(); |
| |
| @Override |
| public boolean applyCSSProperty(Object element, String property, |
| CSSValue value, String pseudo, CSSEngine engine) throws Exception { |
| Widget widget = SWTElementHelpers.getWidget(element); |
| if (widget != null) { |
| super.applyCSSProperty(widget, property, value, pseudo, engine); |
| return true; |
| } |
| return false; |
| |
| } |
| |
| @Override |
| public String retrieveCSSProperty(Object element, String property, |
| String pseudo, CSSEngine engine) throws Exception { |
| Widget widget = SWTElementHelpers.getWidget(element); |
| if (widget != null) { |
| return super.retrieveCSSProperty(widget, property, pseudo, engine); |
| } |
| return null; |
| } |
| |
| @Override |
| public void applyCSSPropertyColor(Object element, CSSValue value, |
| String pseudo, CSSEngine engine) throws Exception { |
| Widget widget = (Widget) element; |
| Color newColor = (Color) engine.convert(value, Color.class, widget.getDisplay()); |
| |
| if (newColor != null && newColor.isDisposed() || value.getCssValueType() != CSSValue.CSS_PRIMITIVE_VALUE) { |
| return; |
| } |
| |
| if (widget instanceof CTabItem) { |
| CTabFolder folder = ((CTabItem) widget).getParent(); |
| if ("selected".equals(pseudo)) { |
| CSSSWTColorHelper.setSelectionForeground(folder, newColor); |
| } else { |
| CSSSWTColorHelper.setForeground(folder, newColor); |
| } |
| } else if (widget instanceof Control) { |
| CSSSWTColorHelper.setForeground((Control) widget, newColor); |
| } |
| } |
| |
| @Override |
| public void applyCSSPropertyTextTransform(Object element, |
| final CSSValue value, String pseudo, CSSEngine engine) |
| throws Exception { |
| Widget widget = (Widget) element; |
| String defaultText = (String) widget.getData(CSSSWTConstants.TEXT_KEY); |
| if (element instanceof Text) { |
| final Text text = (Text) widget; |
| VerifyListener listener = (VerifyListener) text |
| .getData("CSSModifyTextListener"); |
| if (hasTextTransform(value)) { |
| if (listener == null) { |
| // Add ModifyListener |
| listener = new VerifyListener() { |
| @Override |
| public void verifyText(VerifyEvent e) { |
| // System.out.println(e); |
| // int start = e.start; |
| // int end = e.end; |
| // e.text = getTextTransform(e.text, text.getText(), |
| // value); |
| } |
| }; |
| text.addVerifyListener(listener); |
| text.setData("CSSModifyTextListener", listener); |
| } |
| } else { |
| if (listener != null) { |
| text.removeVerifyListener(listener); |
| text.setData("CSSModifyTextListener", null); |
| } |
| } |
| String oldText = text.getText(); |
| String newText = getTextTransform(text.getText(), value, |
| defaultText); |
| if (!oldText.equals(newText)) { |
| text.setText(newText); |
| } |
| } |
| if (element instanceof Label) { |
| Label label = (Label) element; |
| label |
| .setText(getTextTransform(label.getText(), value, |
| defaultText)); |
| return; |
| } |
| if (element instanceof Button) { |
| Button button = (Button) element; |
| button.setText(getTextTransform(button.getText(), value, |
| defaultText)); |
| return; |
| } |
| } |
| |
| @Override |
| public String retrieveCSSPropertyColor(Object element, String pseudo, |
| CSSEngine engine) throws Exception { |
| Widget widget = (Widget) element; |
| Color color = null; |
| if (widget instanceof CTabItem) { |
| if ("selected".equals(pseudo)) { |
| color = ((CTabItem) widget).getParent().getSelectionForeground(); |
| } else { |
| color = ((CTabItem) widget).getParent().getForeground(); |
| } |
| } else if (widget instanceof Control) { |
| color = ((Control) widget).getForeground(); |
| } |
| return engine.convert(color, Color.class, null); |
| } |
| |
| @Override |
| public String retrieveCSSPropertyTextTransform(Object element, |
| String pseudo, CSSEngine engine) throws Exception { |
| String text = null; |
| Widget widget = (Widget) element; |
| // if (control instanceof Text) { |
| // final Text controlText = ((Text) element); |
| // text = controlText.getText(); |
| // } else { |
| if (widget instanceof Label) { |
| text = ((Label) element).getText(); |
| if (text != null) { |
| widget.setData(CSSSWTConstants.TEXT_KEY, text); |
| } |
| } else { |
| if (widget instanceof Button) { |
| text = ((Button) element).getText(); |
| if (text != null) { |
| widget.setData(CSSSWTConstants.TEXT_KEY, text); |
| } |
| } |
| } |
| // } |
| return "none"; |
| } |
| |
| } |