/*******************************************************************************
* Copyright (c) 2015 Fabio Zadrozny 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:
* Fabio Zadrozny <fabiofz@gmail.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.internal.forms.css.properties.css2;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.e4.ui.css.core.dom.properties.Gradient;
import org.eclipse.e4.ui.css.core.engine.CSSEngine;
import org.eclipse.e4.ui.css.swt.properties.AbstractCSSPropertySWTHandler;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.forms.IFormColors;
import org.eclipse.ui.forms.widgets.Form;
import org.w3c.dom.css.CSSPrimitiveValue;
import org.w3c.dom.css.CSSValue;
public class CSSPropertyFormHandler extends AbstractCSSPropertySWTHandler {
// Constants to customize the Form (IFormColors constants).
public static final String TB_TOGGLE_HOVER = "tb-toggle-hover-color"; //$NON-NLS-1$
public static final String TB_TOGGLE = "tb-toggle-color"; //$NON-NLS-1$
public static final String H_HOVER_FULL = "h-hover-full-color"; //$NON-NLS-1$
public static final String H_HOVER_LIGHT = "h-hover-light-color"; //$NON-NLS-1$
public static final String H_BOTTOM_KEYLINE_2 = "h-bottom-keyline-2-color"; //$NON-NLS-1$
public static final String H_BOTTOM_KEYLINE_1 = "h-bottom-keyline-1-color"; //$NON-NLS-1$
// Constant to customize:
// org.eclipse.ui.forms.widgets.Form.setTextBackground(Color[], int[],
// boolean)
public static final String TEXT_BACKGROUND_COLOR = "text-background-color"; //$NON-NLS-1$
private static final Map<String, String> propertyToHeadProperty = new HashMap<>();
static {
propertyToHeadProperty.put(H_BOTTOM_KEYLINE_1, IFormColors.H_BOTTOM_KEYLINE1);
propertyToHeadProperty.put(H_BOTTOM_KEYLINE_2, IFormColors.H_BOTTOM_KEYLINE2);
propertyToHeadProperty.put(H_HOVER_LIGHT, IFormColors.H_HOVER_LIGHT);
propertyToHeadProperty.put(H_HOVER_FULL, IFormColors.H_HOVER_FULL);
propertyToHeadProperty.put(TB_TOGGLE, IFormColors.TB_TOGGLE);
propertyToHeadProperty.put(TB_TOGGLE_HOVER, IFormColors.TB_TOGGLE_HOVER);
}
@Override
protected void applyCSSProperty(Control control, String property, CSSValue value, String pseudo, CSSEngine engine)
throws Exception {
if (control instanceof Form) {
Form form = (Form) control;
if (TEXT_BACKGROUND_COLOR.equals(property)) {
if (value.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) {
Color color = (Color) engine.convert(value, Color.class, form.getDisplay());
// When a single color is received, make it 100% with that
// single color.
form.setTextBackground(new Color[] { color }, new int[] { 100 }, true);
} else if (value.getCssValueType() == CSSValue.CSS_VALUE_LIST) {
Gradient grad = (Gradient) engine.convert(value, Gradient.class, form.getDisplay());
if (grad == null) {
return;
}
List<CSSPrimitiveValue> values = grad.getValues();
List<Color> colors = new ArrayList<>(values.size());
for (CSSPrimitiveValue cssValue : values) {
if (cssValue != null) {
if (cssValue.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) {
Color color = (Color) engine.convert(cssValue, Color.class, form.getDisplay());
colors.add(color);
}
}
}
if (colors.size() > 0) {
List<Integer> list = grad.getPercents();
int[] percents = new int[list.size()];
for (int i = 0; i < percents.length; i++) {
percents[i] = list.get(i).intValue();
}
form.setTextBackground(colors.toArray(new Color[0]), percents,
grad.getVerticalGradient());
}
}
} else {
String headProperty = propertyToHeadProperty.get(property);
if (headProperty != null) {
if (value.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) {
Color color = (Color) engine.convert(value, Color.class, form.getDisplay());
form.setHeadColor(headProperty, color);
}
}
}
}
}
@Override
protected String retrieveCSSProperty(Control control, String property, String pseudo, CSSEngine engine)
throws Exception {
return null;
}
}