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/*
* Copyright 2011, The gwtquery team.
*
* 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 com.google.gwt.query.client.plugins;
import com.google.gwt.animation.client.Animation;
import com.google.gwt.dom.client.Element;
import com.google.gwt.query.client.Function;
import com.google.gwt.query.client.GQuery;
import com.google.gwt.query.client.Properties;
import com.google.gwt.query.client.plugins.effects.ClipAnimation;
import com.google.gwt.query.client.plugins.effects.ClipAnimation.Action;
import com.google.gwt.query.client.plugins.effects.ClipAnimation.Direction;
import com.google.gwt.query.client.plugins.effects.Fx;
import com.google.gwt.query.client.plugins.effects.PropertiesAnimation;
import com.google.gwt.query.client.plugins.effects.PropertiesAnimation.Easing;
/**
* Effects plugin for Gwt Query.
*/
public class Effects extends QueuePlugin {
/**
* Class to access protected methods in Animation.
*/
public static abstract class GQAnimation extends Animation {
private static final String ACTUAL_ANIMATION = "EffectsRunnning";
// Each Animation is associated to one element
protected Element e;
protected void onStart() {
// Mark this animation as actual, so as we can stop it in the GQuery.stop() method
$(e).data(ACTUAL_ANIMATION, this);
super.onStart();
}
protected void onComplete() {
// avoid memory leak (issue #132)
$(e).removeData(ACTUAL_ANIMATION);
super.onComplete();
}
public void cancel() {
// avoid memory leak (issue #132)
$(e).removeData(ACTUAL_ANIMATION);
super.cancel();
}
}
/**
* Just a class to store predefined speed constant values.
*/
public static class Speed {
public static final int DEFAULT = 400;
public static final int FAST = 200;
public static final int SLOW = 600;
}
public static final Class Effects = GQuery.registerPlugin(
Effects.class, new Plugin() {
public Effects init(GQuery gq) {
return new Effects(gq);
}
});
protected Effects(GQuery gq) {
super(gq);
}
private void queueAnimation(final Element e, final GQAnimation anim, final int duration) {
if (isOff()) {
anim.onStart();
anim.onComplete();
} else {
queue(e, DEFAULT_NAME, new Function() {
public void cancel(Element e) {
Animation anim = (Animation) data(e, GQAnimation.ACTUAL_ANIMATION, null);
if (anim != null) {
anim.cancel();
}
}
public void f(Element e) {
anim.run(duration);
}
});
}
}
protected boolean isOff() {
return Fx.off;
}
/**
* The animate() method allows you to create animation effects on any numeric
* Attribute, CSS property, or color CSS property.
*
* Concerning to numeric properties, values are treated as a number of pixels
* unless otherwise specified. The units em and % can be specified where
* applicable.
*
* By default animate considers css properties, if you wanted to animate element
* attributes you should to prepend the symbol dollar to the attribute name.
*
* Example:
*
*
* //move the element from its original position to the position top:500px and left:500px for 400ms.
* //use a swing easing function for the transition
* $("#foo").animate(Properties.create("{top:'500px',left:'500px'}"), 400, Easing.SWING);
* // Change the width and border attributes of a table
* $("table").animate(Properties.create("{$width: '500', $border: '10'}"), 400, Easing.LINEAR);
*
*
* In addition to numeric values, each property can take the strings 'show',
* 'hide', and 'toggle'. These shortcuts allow for custom hiding and showing
* animations that take into account the display type of the element. Animated
* properties can also be relative. If a value is supplied with a leading +=
* or -= sequence of characters, then the target value is computed by adding
* or subtracting the given number from the current value of the property.
*
* Example:
*
*
* //move the element from its original position to 500px to the left and 5OOpx down for 400ms.
* //use a swing easing function for the transition
* $("#foo").animate(Properties.create("{top:'+=500px',left:'+=500px'}"), 400, Easing.SWING);
*
*
* For color css properties, values can be specified via hexadecimal or rgb or
* literal values.
*
* Example:
*
*
*
* @param p a {@link Properties} object containing css properties to animate.
* @param funcs an array of {@link Function} called once the animation is
* complete
* @param duration the duration in milliseconds of the animation
* @param easing the easing function to use for the transition
*/
public Effects animate(Object stringOrProperties, final int duration,
final Easing easing, final Function... funcs) {
final Properties p = (stringOrProperties instanceof String)
? $$((String) stringOrProperties) : (Properties) stringOrProperties;
for (Element e: elements()) {
queueAnimation(e, new PropertiesAnimation(easing, e, p, funcs), duration);
}
return this;
}
/**
*
* The animate() method allows you to create animation effects on any numeric
* Attribute, CSS property, or color CSS property.
*
* Concerning to numeric properties, values are treated as a number of pixels
* unless otherwise specified. The units em and % can be specified where
* applicable.
*
* By default animate considers css properties, if you wanted to animate element
* attributes you should to prepend the symbol dollar to the attribute name.
*
* Example:
*
*
* //move the element from its original position to left:500px for 500ms
* $("#foo").animate("left:'500'");
* // Change the width attribute of a table
* $("table").animate("$width:'500'"), 400, Easing.LINEAR);
*
*
* In addition to numeric values, each property can take the strings 'show',
* 'hide', and 'toggle'. These shortcuts allow for custom hiding and showing
* animations that take into account the display type of the element. Animated
* properties can also be relative. If a value is supplied with a leading +=
* or -= sequence of characters, then the target value is computed by adding
* or subtracting the given number from the current value of the property.
*
* Example:
*
*
* //move the element from its original position to 500px to the left for 500ms and
* // change the background color of the element at the end of the animation
* $("#foo").animate("left:'+=500'", new Function(){
*
* public void f(Element e){
* $(e).css(CSS.BACKGROUND_COLOR.with(RGBColor.RED);
* }
*
* });
*
*
* The duration of the animation is 500ms.
*
* For color css properties, values can be specified via hexadecimal or rgb or
* literal values.
*
* Example:
*
*
*
* @param prop the property to animate : "cssName:'value'"
* @param funcs an array of {@link Function} called once the animation is
* complete
*/
public Effects animate(Object stringOrProperties, Function... funcs) {
return animate(stringOrProperties, 500, funcs);
}
/**
* The animate() method allows you to create animation effects on any numeric
* Attribute, CSS properties, or color CSS property.
*
* Concerning to numeric property, values are treated as a number of pixels
* unless otherwise specified. The units em and % can be specified where
* applicable.
*
* By default animate considers css properties, if you wanted to animate element
* attributes you should to prepend the symbol dollar to the attribute name.
*
* Example:
*
*
* //move the element from its original position to left:500px for 2s
* $("#foo").animate("left:'500px'", 2000);
* // Change the width attribute of a table
* $("table").animate("$width:'500'"), 400);
*
*
* In addition to numeric values, each property can take the strings 'show',
* 'hide', and 'toggle'. These shortcuts allow for custom hiding and showing
* animations that take into account the display type of the element. Animated
* properties can also be relative. If a value is supplied with a leading +=
* or -= sequence of characters, then the target value is computed by adding
* or subtracting the given number from the current value of the property.
*
* Example:
*
*
* //move the element from its original position to 500px to the left for 1000ms and
* // change the background color of the element at the end of the animation
* $("#foo").animate("left:'+=500'", 1000, new Function(){
* public void f(Element e){
* $(e).css(CSS.BACKGROUND_COLOR.with(RGBColor.RED);
* }
* });
*
*
*
* For color css properties, values can be specified via hexadecimal or rgb or
* literal values.
*
* Example:
*
*
*
*
* @param prop the property to animate : "cssName:'value'"
* @param funcs an array of {@link Function} called once the animation is
* complete
* @param duration the duration in milliseconds of the animation
*/
public Effects animate(Object stringOrProperties, int duration, Function... funcs) {
return animate(stringOrProperties, duration, Easing.LINEAR, funcs);
}
/**
* Animate the set of matched elements using the clip property. It is possible
* to show or hide a set of elements, specify the direction of the animation
* and the start corner of the effect. Finally it executes the set of
* functions passed as arguments.
*/
public Effects clip(ClipAnimation.Action a, ClipAnimation.Corner c,
ClipAnimation.Direction d, Function... f) {
return clip(a, c, d, Speed.DEFAULT, f);
}
/**
* Animate the set of matched elements using the clip property. It is possible
* to show or hide a set of elements, specify the direction of the animation
* and the start corner of the effect. Finally it executes the set of
* functions passed as arguments.
*/
public Effects clip(final ClipAnimation.Action a,
final ClipAnimation.Corner c, final ClipAnimation.Direction d,
final int duration, final Function... f) {
for (Element e : elements()) {
queueAnimation(e, new ClipAnimation(e, a, c, d, f), duration);
}
return this;
}
/**
* Animate the set of matched elements using the clip property. It is possible
* to show or hide a set of elements, specify the direction of the animation
* and the start corner of the effect. Finally it executes the set of
* functions passed as arguments.
*/
public Effects clip(ClipAnimation.Action a, ClipAnimation.Corner c,
Function... f) {
return clip(a, c, Direction.BIDIRECTIONAL, Speed.DEFAULT, f);
}
/**
* Reveal all matched elements by adjusting the clip property firing an
* optional callback after completion. The effect goes from the center to the
* perimeter.
*/
public Effects clipAppear(Function... f) {
return clipAppear(Speed.DEFAULT, f);
}
/**
* Reveal all matched elements by adjusting the clip property firing an
* optional callback after completion. The effect goes from the center to the
* perimeter.
*/
public Effects clipAppear(int millisecs, Function... f) {
return clip(ClipAnimation.Action.SHOW, ClipAnimation.Corner.CENTER,
ClipAnimation.Direction.BIDIRECTIONAL, millisecs, f);
}
/**
* Hide all matched elements by adjusting the clip property firing an optional
* callback after completion. The effect goes from the perimeter to the
* center.
*/
public Effects clipDisappear(Function... f) {
return clipDisappear(Speed.DEFAULT, f);
}
/**
* Hide all matched elements by adjusting the clip property firing an optional
* callback after completion. The effect goes from the perimeter to the
* center.
*/
public Effects clipDisappear(int millisecs, Function... f) {
return clip(ClipAnimation.Action.HIDE, ClipAnimation.Corner.CENTER,
ClipAnimation.Direction.BIDIRECTIONAL, millisecs, f);
}
/**
* Reveal all matched elements by adjusting the clip property firing an
* optional callback after completion. The effect goes from the top to the
* bottom.
*/
public Effects clipDown(Function... f) {
return clipDown(Speed.DEFAULT, f);
}
/**
* Reveal all matched elements by adjusting the clip property firing an
* optional callback after completion. The effect goes from the top to the
* bottom.
*/
public Effects clipDown(int millisecs, Function... f) {
return clip(Action.SHOW, ClipAnimation.Corner.TOP_LEFT,
ClipAnimation.Direction.BIDIRECTIONAL, millisecs, f);
}
/**
* Toggle the visibility of all matched elements by adjusting the clip
* property and firing an optional callback after completion. The effect goes
* from the bottom to the top.
*/
public Effects clipToggle(Function... f) {
return clipToggle(Speed.DEFAULT, f);
}
/**
* Toggle the visibility of all matched elements by adjusting the clip
* property and firing an optional callback after completion. The effect goes
* from the bottom to the top.
*/
public Effects clipToggle(int millisecs, Function... f) {
return clip(Action.TOGGLE, ClipAnimation.Corner.TOP_LEFT,
ClipAnimation.Direction.VERTICAL, millisecs, f);
}
/**
* Hide all matched elements by adjusting the clip property firing an optional
* callback after completion. The effect goes from the bottom to the top.
*/
public Effects clipUp(Function... f) {
return clipUp(Speed.DEFAULT, f);
}
/**
* Hide all matched elements by adjusting the clip property firing an optional
* callback after completion. The effect goes from the bottom to the top.
*/
public Effects clipUp(int millisecs, Function... f) {
return clip(Action.HIDE, ClipAnimation.Corner.TOP_LEFT,
ClipAnimation.Direction.BIDIRECTIONAL, millisecs, f);
}
/**
* Fade in all matched elements by adjusting their opacity and firing an
* optional callback after completion. Only the opacity is adjusted for this
* animation, meaning that all of the matched elements should already have
* some form of height and width associated with them.
*/
public Effects fadeIn(Function... f) {
return fadeIn(Speed.DEFAULT, f);
}
/**
* Fade in all matched elements by adjusting their opacity and firing an
* optional callback after completion. Only the opacity is adjusted for this
* animation, meaning that all of the matched elements should already have
* some form of height and width associated with them.
*/
public Effects fadeIn(int millisecs, Function... f) {
return animate("opacity: 'show'", millisecs, f);
}
/**
* Fade out all matched elements by adjusting their opacity to 0, then setting
* display to "none" and firing an optional callback after completion. Only
* the opacity is adjusted for this animation, meaning that all of the matched
* elements should already have some form of height and width associated with
* them.
*/
public Effects fadeOut(Function... f) {
return fadeOut(Speed.DEFAULT, f);
}
/**
* Fade out all matched elements by adjusting their opacity to 0, then setting
* display to "none" and firing an optional callback after completion. Only
* the opacity is adjusted for this animation, meaning that all of the matched
* elements should already have some form of height and width associated with
* them.
*/
public Effects fadeOut(int millisecs, Function... f) {
return animate("opacity: 'hide'", millisecs, f);
};
/**
* Fade the opacity of all matched elements to a specified opacity and firing
* an optional callback after completion. Only the opacity is adjusted for
* this animation, meaning that all of the matched elements should already
* have some form of height and width associated with them.
*/
public Effects fadeTo(int millisecs, double opacity, Function... f) {
return animate("opacity: " + opacity, millisecs, f);
}
/**
* Display or hide the matched elements by animating their opacity. and firing
* an optional callback after completion. Only the opacity is adjusted for
* this animation, meaning that all of the matched elements should already
* have some form of height and width associated with them.
*/
public Effects fadeToggle(Function... f) {
return fadeToggle(Speed.DEFAULT, f);
}
/**
* Display or hide the matched elements by animating their opacity. and firing
* an optional callback after completion. Only the opacity is adjusted for
* this animation, meaning that all of the matched elements should already
* have some form of height and width associated with them.
*/
public Effects fadeToggle(int millisecs, Function... f) {
return animate("opacity: 'toggle'", millisecs, f);
};
/**
* Reveal all matched elements by adjusting their height and firing an
* optional callback after completion.
*/
public Effects slideDown(Function... f) {
return slideDown(Speed.DEFAULT, f);
}
/**
* Reveal all matched elements by adjusting their height and firing an
* optional callback after completion.
*/
public Effects slideDown(int millisecs, Function... f) {
return animate("height: 'show'", millisecs, f);
}
/**
* Hide all matched elements by adjusting their width and firing an optional
* callback after completion.
*/
public Effects slideLeft(Function... f) {
return slideLeft(Speed.DEFAULT, f);
}
/**
* Hide all matched elements by adjusting their width and firing an optional
* callback after completion.
*/
public Effects slideLeft(int millisecs, Function... f) {
return animate("width: 'hide'", millisecs, f);
}
/**
* Reveal all matched elements by adjusting their width and firing an optional
* callback after completion.
*/
public Effects slideRight(Function... f) {
return slideRight(Speed.DEFAULT, f);
}
/**
* Reveal all matched elements by adjusting their width and firing an optional
* callback after completion.
*/
public Effects slideRight(final int millisecs, Function... f) {
return animate("width: 'show'", millisecs, f);
}
/**
* Toggle the visibility of all matched elements by adjusting their height and
* firing an optional callback after completion. Only the height is adjusted
* for this animation, causing all matched elements to be hidden or shown in a
* "sliding" manner
*/
public Effects slideToggle(int millisecs, Function... f) {
return animate("height: 'toggle'", millisecs, f);
}
/**
* Hide all matched elements by adjusting their height and firing an optional
* callback after completion.
*/
public Effects slideUp(Function... f) {
return slideUp(Speed.DEFAULT, f);
}
/**
* Hide all matched elements by adjusting their height and firing an optional
* callback after completion.
*/
public Effects slideUp(int millisecs, Function... f) {
return animate("height: 'hide'", millisecs, f);
}
/**
* Toggle displaying each of the set of matched elements.
*
* @param showOrHide A Boolean indicating whether to show or hide the
* elements.
*/
// maybe move this function in GQuery class directly ?
public Effects toggle(boolean showOrHide) {
for (Element element : elements()) {
GQuery $element = $(element);
if (!showOrHide) {
$element.hide();
} else {
$element.show();
}
}
return this;
}
/**
* Toggle displaying each of the set of matched elements by animating the
* width, height, and opacity of the matched elements simultaneously. When
* these properties reach 0 after a hiding animation, the display style
* property is set to none to ensure that the element no longer affects the
* layout of the page.
*/
public Effects toggle(int millisecs, Function... f) {
return animate("opacity: 'toggle', width : 'toggle', height : 'toggle'",
millisecs, f);
}
}
