/*
* Copyright 2008-2009 Adam Tacy <adam.tacy AT gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package org.adamtacy.client.ui.effects.core;
import java.util.Iterator;
import org.adamtacy.client.ui.effects.NEffect;
import org.adamtacy.client.ui.effects.events.EffectSteppingEvent;
import com.google.gwt.dom.client.Element;
/**
*
* Creates a change color effect for an Effect Panel. Colour will "morph" from a
* start-colour to an end-colour By default the background style attribute is
* used, but this can be altered by using the additional constructor
* ChangeColour(styleElementName)
*
* At the end of the effect, the original background colour of the component is
* restored.
*
*/
public class NMorphColor extends NEffect {
/**
* Change the start color to either a hex value or a rgb(r,g,b) value Both
* contained within the input string
*
* @param styleSheetColor
*/
public void setEndColor(String styleSheetEndColor) {
colourStyleImpl.setEndColor(styleSheetEndColor);
if (!effectElements.isEmpty()) setUpEffect();
}
public String getEndColor(){
return colourStyleImpl.getEndColour();
}
public String getStartColor(){
return colourStyleImpl.getStartColour();
}
/**
* Change the start color to either a hex value or a rgb(r,g,b) value Both
* contained within the input string
*
* @param styleSheetColor
*/
public void setStartColor(String styleSheetStartColor) {
colourStyleImpl.setStartColor(styleSheetStartColor);
if (!effectElements.isEmpty()) setUpEffect();
}
protected NChangeColorAction colourStyleImpl = new NChangeColorAction();
protected String styleComponentToChange = "";
public NMorphColor() {
}
public NMorphColor(String styleName) {
super();
styleComponentToChange = styleName;
}
public NMorphColor(Element el, String styleName){
this(styleName);
addEffectElement(el);
}
public NMorphColor(Element el, String styleName, String styleStart, String styleEnd) {
this(styleName, styleStart, styleEnd);
addEffectElement(el);
}
public NMorphColor(String styleName, String styleStart, String styleEnd) {
this(styleName);
if (!styleStart.equals("")) {
setStartColor(styleStart);
}
setEndColor(styleEnd);
}
public NMorphColor(Element el) {
addEffectElement(el);
}
@Override
protected void onUpdate(double progress) {
String ret;
super.onUpdate(progress);
for (Iterator<Element> iter = effectElements.iterator(); iter.hasNext();){
Element e = iter.next();
ret = colourStyleImpl.performStep(e, styleComponentToChange, progress);
fireEvent(new EffectSteppingEvent(progress, ret));
}
}
@Override
public void setUpEffect() {
registerEffectElement();
for (Iterator<Element> iter = effectElements.iterator(); iter.hasNext();){
Element e = iter.next();
colourStyleImpl.setUp(e, styleComponentToChange, 0);
}
}
@Override
public void tearDownEffect() {
for (Iterator<Element> iter = effectElements.iterator(); iter.hasNext();){
Element e = iter.next();
colourStyleImpl.tearDownEffect(e);
}
}
}