+++ /dev/null
-/*
-Copyright (c) 2009, Yahoo! Inc. All rights reserved.
-Code licensed under the BSD License:
-http://developer.yahoo.net/yui/license.txt
-version: 2.7.0
-*/
-/**
- * The Slider component is a UI control that enables the user to adjust
- * values in a finite range along one or two axes. Typically, the Slider
- * control is used in a web application as a rich, visual replacement
- * for an input box that takes a number as input. The Slider control can
- * also easily accommodate a second dimension, providing x,y output for
- * a selection point chosen from a rectangular region.
- *
- * @module slider
- * @title Slider Widget
- * @namespace YAHOO.widget
- * @requires yahoo,dom,dragdrop,event
- * @optional animation
- */
- (function () {
-
-var getXY = YAHOO.util.Dom.getXY,
- Event = YAHOO.util.Event,
- _AS = Array.prototype.slice;
-
-/**
- * A DragDrop implementation that can be used as a background for a
- * slider. It takes a reference to the thumb instance
- * so it can delegate some of the events to it. The goal is to make the
- * thumb jump to the location on the background when the background is
- * clicked.
- *
- * @class Slider
- * @extends YAHOO.util.DragDrop
- * @uses YAHOO.util.EventProvider
- * @constructor
- * @param {String} id The id of the element linked to this instance
- * @param {String} sGroup The group of related DragDrop items
- * @param {SliderThumb} oThumb The thumb for this slider
- * @param {String} sType The type of slider (horiz, vert, region)
- */
-function Slider(sElementId, sGroup, oThumb, sType) {
-
- Slider.ANIM_AVAIL = (!YAHOO.lang.isUndefined(YAHOO.util.Anim));
-
- if (sElementId) {
- this.init(sElementId, sGroup, true);
- this.initSlider(sType);
- this.initThumb(oThumb);
- }
-}
-
-YAHOO.lang.augmentObject(Slider,{
- /**
- * Factory method for creating a horizontal slider
- * @method YAHOO.widget.Slider.getHorizSlider
- * @static
- * @param {String} sBGElId the id of the slider's background element
- * @param {String} sHandleElId the id of the thumb element
- * @param {int} iLeft the number of pixels the element can move left
- * @param {int} iRight the number of pixels the element can move right
- * @param {int} iTickSize optional parameter for specifying that the element
- * should move a certain number pixels at a time.
- * @return {Slider} a horizontal slider control
- */
- getHorizSlider :
- function (sBGElId, sHandleElId, iLeft, iRight, iTickSize) {
- return new Slider(sBGElId, sBGElId,
- new YAHOO.widget.SliderThumb(sHandleElId, sBGElId,
- iLeft, iRight, 0, 0, iTickSize), "horiz");
- },
-
- /**
- * Factory method for creating a vertical slider
- * @method YAHOO.widget.Slider.getVertSlider
- * @static
- * @param {String} sBGElId the id of the slider's background element
- * @param {String} sHandleElId the id of the thumb element
- * @param {int} iUp the number of pixels the element can move up
- * @param {int} iDown the number of pixels the element can move down
- * @param {int} iTickSize optional parameter for specifying that the element
- * should move a certain number pixels at a time.
- * @return {Slider} a vertical slider control
- */
- getVertSlider :
- function (sBGElId, sHandleElId, iUp, iDown, iTickSize) {
- return new Slider(sBGElId, sBGElId,
- new YAHOO.widget.SliderThumb(sHandleElId, sBGElId, 0, 0,
- iUp, iDown, iTickSize), "vert");
- },
-
- /**
- * Factory method for creating a slider region like the one in the color
- * picker example
- * @method YAHOO.widget.Slider.getSliderRegion
- * @static
- * @param {String} sBGElId the id of the slider's background element
- * @param {String} sHandleElId the id of the thumb element
- * @param {int} iLeft the number of pixels the element can move left
- * @param {int} iRight the number of pixels the element can move right
- * @param {int} iUp the number of pixels the element can move up
- * @param {int} iDown the number of pixels the element can move down
- * @param {int} iTickSize optional parameter for specifying that the element
- * should move a certain number pixels at a time.
- * @return {Slider} a slider region control
- */
- getSliderRegion :
- function (sBGElId, sHandleElId, iLeft, iRight, iUp, iDown, iTickSize) {
- return new Slider(sBGElId, sBGElId,
- new YAHOO.widget.SliderThumb(sHandleElId, sBGElId, iLeft, iRight,
- iUp, iDown, iTickSize), "region");
- },
-
- /**
- * Constant for valueChangeSource, indicating that the user clicked or
- * dragged the slider to change the value.
- * @property Slider.SOURCE_UI_EVENT
- * @final
- * @static
- * @default 1
- */
- SOURCE_UI_EVENT : 1,
-
- /**
- * Constant for valueChangeSource, indicating that the value was altered
- * by a programmatic call to setValue/setRegionValue.
- * @property Slider.SOURCE_SET_VALUE
- * @final
- * @static
- * @default 2
- */
- SOURCE_SET_VALUE : 2,
-
- /**
- * Constant for valueChangeSource, indicating that the value was altered
- * by hitting any of the supported keyboard characters.
- * @property Slider.SOURCE_KEY_EVENT
- * @final
- * @static
- * @default 2
- */
- SOURCE_KEY_EVENT : 3,
-
- /**
- * By default, animation is available if the animation utility is detected.
- * @property Slider.ANIM_AVAIL
- * @static
- * @type boolean
- */
- ANIM_AVAIL : false
-},true);
-
-YAHOO.extend(Slider, YAHOO.util.DragDrop, {
-
- /**
- * Tracks the state of the mouse button to aid in when events are fired.
- *
- * @property _mouseDown
- * @type boolean
- * @default false
- * @private
- */
- _mouseDown : false,
-
- /**
- * Override the default setting of dragOnly to true.
- * @property dragOnly
- * @type boolean
- * @default true
- */
- dragOnly : true,
-
- /**
- * Initializes the slider. Executed in the constructor
- * @method initSlider
- * @param {string} sType the type of slider (horiz, vert, region)
- */
- initSlider: function(sType) {
-
- /**
- * The type of the slider (horiz, vert, region)
- * @property type
- * @type string
- */
- this.type = sType;
-
- //this.removeInvalidHandleType("A");
-
-
- /**
- * Event the fires when the value of the control changes. If
- * the control is animated the event will fire every point
- * along the way.
- * @event change
- * @param {int} newOffset|x the new offset for normal sliders, or the new
- * x offset for region sliders
- * @param {int} y the number of pixels the thumb has moved on the y axis
- * (region sliders only)
- */
- this.createEvent("change", this);
-
- /**
- * Event that fires at the beginning of a slider thumb move.
- * @event slideStart
- */
- this.createEvent("slideStart", this);
-
- /**
- * Event that fires at the end of a slider thumb move
- * @event slideEnd
- */
- this.createEvent("slideEnd", this);
-
- /**
- * Overrides the isTarget property in YAHOO.util.DragDrop
- * @property isTarget
- * @private
- */
- this.isTarget = false;
-
- /**
- * Flag that determines if the thumb will animate when moved
- * @property animate
- * @type boolean
- */
- this.animate = Slider.ANIM_AVAIL;
-
- /**
- * Set to false to disable a background click thumb move
- * @property backgroundEnabled
- * @type boolean
- */
- this.backgroundEnabled = true;
-
- /**
- * Adjustment factor for tick animation, the more ticks, the
- * faster the animation (by default)
- * @property tickPause
- * @type int
- */
- this.tickPause = 40;
-
- /**
- * Enables the arrow, home and end keys, defaults to true.
- * @property enableKeys
- * @type boolean
- */
- this.enableKeys = true;
-
- /**
- * Specifies the number of pixels the arrow keys will move the slider.
- * Default is 20.
- * @property keyIncrement
- * @type int
- */
- this.keyIncrement = 20;
-
- /**
- * moveComplete is set to true when the slider has moved to its final
- * destination. For animated slider, this value can be checked in
- * the onChange handler to make it possible to execute logic only
- * when the move is complete rather than at all points along the way.
- * Deprecated because this flag is only useful when the background is
- * clicked and the slider is animated. If the user drags the thumb,
- * the flag is updated when the drag is over ... the final onDrag event
- * fires before the mouseup the ends the drag, so the implementer will
- * never see it.
- *
- * @property moveComplete
- * @type Boolean
- * @deprecated use the slideEnd event instead
- */
- this.moveComplete = true;
-
- /**
- * If animation is configured, specifies the length of the animation
- * in seconds.
- * @property animationDuration
- * @type int
- * @default 0.2
- */
- this.animationDuration = 0.2;
-
- /**
- * Constant for valueChangeSource, indicating that the user clicked or
- * dragged the slider to change the value.
- * @property SOURCE_UI_EVENT
- * @final
- * @default 1
- * @deprecated use static Slider.SOURCE_UI_EVENT
- */
- this.SOURCE_UI_EVENT = 1;
-
- /**
- * Constant for valueChangeSource, indicating that the value was altered
- * by a programmatic call to setValue/setRegionValue.
- * @property SOURCE_SET_VALUE
- * @final
- * @default 2
- * @deprecated use static Slider.SOURCE_SET_VALUE
- */
- this.SOURCE_SET_VALUE = 2;
-
- /**
- * When the slider value changes, this property is set to identify where
- * the update came from. This will be either 1, meaning the slider was
- * clicked or dragged, or 2, meaning that it was set via a setValue() call.
- * This can be used within event handlers to apply some of the logic only
- * when dealing with one source or another.
- * @property valueChangeSource
- * @type int
- * @since 2.3.0
- */
- this.valueChangeSource = 0;
-
- /**
- * Indicates whether or not events will be supressed for the current
- * slide operation
- * @property _silent
- * @type boolean
- * @private
- */
- this._silent = false;
-
- /**
- * Saved offset used to protect against NaN problems when slider is
- * set to display:none
- * @property lastOffset
- * @type [int, int]
- */
- this.lastOffset = [0,0];
- },
-
- /**
- * Initializes the slider's thumb. Executed in the constructor.
- * @method initThumb
- * @param {YAHOO.widget.SliderThumb} t the slider thumb
- */
- initThumb: function(t) {
-
- var self = this;
-
- /**
- * A YAHOO.widget.SliderThumb instance that we will use to
- * reposition the thumb when the background is clicked
- * @property thumb
- * @type YAHOO.widget.SliderThumb
- */
- this.thumb = t;
-
- t.cacheBetweenDrags = true;
-
- if (t._isHoriz && t.xTicks && t.xTicks.length) {
- this.tickPause = Math.round(360 / t.xTicks.length);
- } else if (t.yTicks && t.yTicks.length) {
- this.tickPause = Math.round(360 / t.yTicks.length);
- }
-
-
- // delegate thumb methods
- t.onAvailable = function() {
- return self.setStartSliderState();
- };
- t.onMouseDown = function () {
- self._mouseDown = true;
- return self.focus();
- };
- t.startDrag = function() {
- self._slideStart();
- };
- t.onDrag = function() {
- self.fireEvents(true);
- };
- t.onMouseUp = function() {
- self.thumbMouseUp();
- };
-
- },
-
- /**
- * Executed when the slider element is available
- * @method onAvailable
- */
- onAvailable: function() {
- this._bindKeyEvents();
- },
-
- /**
- * Sets up the listeners for keydown and key press events.
- *
- * @method _bindKeyEvents
- * @protected
- */
- _bindKeyEvents : function () {
- Event.on(this.id, "keydown", this.handleKeyDown, this, true);
- Event.on(this.id, "keypress", this.handleKeyPress, this, true);
- },
-
- /**
- * Executed when a keypress event happens with the control focused.
- * Prevents the default behavior for navigation keys. The actual
- * logic for moving the slider thumb in response to a key event
- * happens in handleKeyDown.
- * @param {Event} e the keypress event
- */
- handleKeyPress: function(e) {
- if (this.enableKeys) {
- var kc = Event.getCharCode(e);
-
- switch (kc) {
- case 0x25: // left
- case 0x26: // up
- case 0x27: // right
- case 0x28: // down
- case 0x24: // home
- case 0x23: // end
- Event.preventDefault(e);
- break;
- default:
- }
- }
- },
-
- /**
- * Executed when a keydown event happens with the control focused.
- * Updates the slider value and display when the keypress is an
- * arrow key, home, or end as long as enableKeys is set to true.
- * @param {Event} e the keydown event
- */
- handleKeyDown: function(e) {
- if (this.enableKeys) {
- var kc = Event.getCharCode(e),
- t = this.thumb,
- h = this.getXValue(),
- v = this.getYValue(),
- changeValue = true;
-
- switch (kc) {
-
- // left
- case 0x25: h -= this.keyIncrement; break;
-
- // up
- case 0x26: v -= this.keyIncrement; break;
-
- // right
- case 0x27: h += this.keyIncrement; break;
-
- // down
- case 0x28: v += this.keyIncrement; break;
-
- // home
- case 0x24: h = t.leftConstraint;
- v = t.topConstraint;
- break;
-
- // end
- case 0x23: h = t.rightConstraint;
- v = t.bottomConstraint;
- break;
-
- default: changeValue = false;
- }
-
- if (changeValue) {
- if (t._isRegion) {
- this._setRegionValue(Slider.SOURCE_KEY_EVENT, h, v, true);
- } else {
- this._setValue(Slider.SOURCE_KEY_EVENT,
- (t._isHoriz ? h : v), true);
- }
- Event.stopEvent(e);
- }
-
- }
- },
-
- /**
- * Initialization that sets up the value offsets once the elements are ready
- * @method setStartSliderState
- */
- setStartSliderState: function() {
-
-
- this.setThumbCenterPoint();
-
- /**
- * The basline position of the background element, used
- * to determine if the background has moved since the last
- * operation.
- * @property baselinePos
- * @type [int, int]
- */
- this.baselinePos = getXY(this.getEl());
-
- this.thumb.startOffset = this.thumb.getOffsetFromParent(this.baselinePos);
-
- if (this.thumb._isRegion) {
- if (this.deferredSetRegionValue) {
- this._setRegionValue.apply(this, this.deferredSetRegionValue);
- this.deferredSetRegionValue = null;
- } else {
- this.setRegionValue(0, 0, true, true, true);
- }
- } else {
- if (this.deferredSetValue) {
- this._setValue.apply(this, this.deferredSetValue);
- this.deferredSetValue = null;
- } else {
- this.setValue(0, true, true, true);
- }
- }
- },
-
- /**
- * When the thumb is available, we cache the centerpoint of the element so
- * we can position the element correctly when the background is clicked
- * @method setThumbCenterPoint
- */
- setThumbCenterPoint: function() {
-
- var el = this.thumb.getEl();
-
- if (el) {
- /**
- * The center of the slider element is stored so we can
- * place it in the correct position when the background is clicked.
- * @property thumbCenterPoint
- * @type {"x": int, "y": int}
- */
- this.thumbCenterPoint = {
- x: parseInt(el.offsetWidth/2, 10),
- y: parseInt(el.offsetHeight/2, 10)
- };
- }
-
- },
-
- /**
- * Locks the slider, overrides YAHOO.util.DragDrop
- * @method lock
- */
- lock: function() {
- this.thumb.lock();
- this.locked = true;
- },
-
- /**
- * Unlocks the slider, overrides YAHOO.util.DragDrop
- * @method unlock
- */
- unlock: function() {
- this.thumb.unlock();
- this.locked = false;
- },
-
- /**
- * Handles mouseup event on the thumb
- * @method thumbMouseUp
- * @private
- */
- thumbMouseUp: function() {
- this._mouseDown = false;
- if (!this.isLocked() && !this.moveComplete) {
- this.endMove();
- }
-
- },
-
- onMouseUp: function() {
- this._mouseDown = false;
- if (this.backgroundEnabled && !this.isLocked() && !this.moveComplete) {
- this.endMove();
- }
- },
-
- /**
- * Returns a reference to this slider's thumb
- * @method getThumb
- * @return {SliderThumb} this slider's thumb
- */
- getThumb: function() {
- return this.thumb;
- },
-
- /**
- * Try to focus the element when clicked so we can add
- * accessibility features
- * @method focus
- * @private
- */
- focus: function() {
- this.valueChangeSource = Slider.SOURCE_UI_EVENT;
-
- // Focus the background element if possible
- var el = this.getEl();
-
- if (el.focus) {
- try {
- el.focus();
- } catch(e) {
- // Prevent permission denied unhandled exception in FF that can
- // happen when setting focus while another element is handling
- // the blur. @TODO this is still writing to the error log
- // (unhandled error) in FF1.5 with strict error checking on.
- }
- }
-
- this.verifyOffset();
-
- return !this.isLocked();
- },
-
- /**
- * Event that fires when the value of the slider has changed
- * @method onChange
- * @param {int} firstOffset the number of pixels the thumb has moved
- * from its start position. Normal horizontal and vertical sliders will only
- * have the firstOffset. Regions will have both, the first is the horizontal
- * offset, the second the vertical.
- * @param {int} secondOffset the y offset for region sliders
- * @deprecated use instance.subscribe("change") instead
- */
- onChange: function (firstOffset, secondOffset) {
- /* override me */
- },
-
- /**
- * Event that fires when the at the beginning of the slider thumb move
- * @method onSlideStart
- * @deprecated use instance.subscribe("slideStart") instead
- */
- onSlideStart: function () {
- /* override me */
- },
-
- /**
- * Event that fires at the end of a slider thumb move
- * @method onSliderEnd
- * @deprecated use instance.subscribe("slideEnd") instead
- */
- onSlideEnd: function () {
- /* override me */
- },
-
- /**
- * Returns the slider's thumb offset from the start position
- * @method getValue
- * @return {int} the current value
- */
- getValue: function () {
- return this.thumb.getValue();
- },
-
- /**
- * Returns the slider's thumb X offset from the start position
- * @method getXValue
- * @return {int} the current horizontal offset
- */
- getXValue: function () {
- return this.thumb.getXValue();
- },
-
- /**
- * Returns the slider's thumb Y offset from the start position
- * @method getYValue
- * @return {int} the current vertical offset
- */
- getYValue: function () {
- return this.thumb.getYValue();
- },
-
- /**
- * Provides a way to set the value of the slider in code.
- *
- * @method setValue
- * @param {int} newOffset the number of pixels the thumb should be
- * positioned away from the initial start point
- * @param {boolean} skipAnim set to true to disable the animation
- * for this move action (but not others).
- * @param {boolean} force ignore the locked setting and set value anyway
- * @param {boolean} silent when true, do not fire events
- * @return {boolean} true if the move was performed, false if it failed
- */
- setValue: function() {
- var args = _AS.call(arguments);
- args.unshift(Slider.SOURCE_SET_VALUE);
- return this._setValue.apply(this,args);
- },
-
- /**
- * Worker function to execute the value set operation. Accepts type of
- * set operation in addition to the usual setValue params.
- *
- * @method _setValue
- * @param source {int} what triggered the set (e.g. Slider.SOURCE_SET_VALUE)
- * @param {int} newOffset the number of pixels the thumb should be
- * positioned away from the initial start point
- * @param {boolean} skipAnim set to true to disable the animation
- * for this move action (but not others).
- * @param {boolean} force ignore the locked setting and set value anyway
- * @param {boolean} silent when true, do not fire events
- * @return {boolean} true if the move was performed, false if it failed
- * @protected
- */
- _setValue: function(source, newOffset, skipAnim, force, silent) {
- var t = this.thumb, newX, newY;
-
- if (!t.available) {
- this.deferredSetValue = arguments;
- return false;
- }
-
- if (this.isLocked() && !force) {
- return false;
- }
-
- if ( isNaN(newOffset) ) {
- return false;
- }
-
- if (t._isRegion) {
- return false;
- }
-
-
- this._silent = silent;
- this.valueChangeSource = source || Slider.SOURCE_SET_VALUE;
-
- t.lastOffset = [newOffset, newOffset];
- this.verifyOffset(true);
-
- this._slideStart();
-
- if (t._isHoriz) {
- newX = t.initPageX + newOffset + this.thumbCenterPoint.x;
- this.moveThumb(newX, t.initPageY, skipAnim);
- } else {
- newY = t.initPageY + newOffset + this.thumbCenterPoint.y;
- this.moveThumb(t.initPageX, newY, skipAnim);
- }
-
- return true;
- },
-
- /**
- * Provides a way to set the value of the region slider in code.
- * @method setRegionValue
- * @param {int} newOffset the number of pixels the thumb should be
- * positioned away from the initial start point (x axis for region)
- * @param {int} newOffset2 the number of pixels the thumb should be
- * positioned away from the initial start point (y axis for region)
- * @param {boolean} skipAnim set to true to disable the animation
- * for this move action (but not others).
- * @param {boolean} force ignore the locked setting and set value anyway
- * @param {boolean} silent when true, do not fire events
- * @return {boolean} true if the move was performed, false if it failed
- */
- setRegionValue : function () {
- var args = _AS.call(arguments);
- args.unshift(Slider.SOURCE_SET_VALUE);
- return this._setRegionValue.apply(this,args);
- },
-
- /**
- * Worker function to execute the value set operation. Accepts type of
- * set operation in addition to the usual setValue params.
- *
- * @method _setRegionValue
- * @param source {int} what triggered the set (e.g. Slider.SOURCE_SET_VALUE)
- * @param {int} newOffset the number of pixels the thumb should be
- * positioned away from the initial start point (x axis for region)
- * @param {int} newOffset2 the number of pixels the thumb should be
- * positioned away from the initial start point (y axis for region)
- * @param {boolean} skipAnim set to true to disable the animation
- * for this move action (but not others).
- * @param {boolean} force ignore the locked setting and set value anyway
- * @param {boolean} silent when true, do not fire events
- * @return {boolean} true if the move was performed, false if it failed
- * @protected
- */
- _setRegionValue: function(source, newOffset, newOffset2, skipAnim, force, silent) {
- var t = this.thumb, newX, newY;
-
- if (!t.available) {
- this.deferredSetRegionValue = arguments;
- return false;
- }
-
- if (this.isLocked() && !force) {
- return false;
- }
-
- if ( isNaN(newOffset) ) {
- return false;
- }
-
- if (!t._isRegion) {
- return false;
- }
-
- this._silent = silent;
-
- this.valueChangeSource = source || Slider.SOURCE_SET_VALUE;
-
- t.lastOffset = [newOffset, newOffset2];
- this.verifyOffset(true);
-
- this._slideStart();
-
- newX = t.initPageX + newOffset + this.thumbCenterPoint.x;
- newY = t.initPageY + newOffset2 + this.thumbCenterPoint.y;
- this.moveThumb(newX, newY, skipAnim);
-
- return true;
- },
-
- /**
- * Checks the background position element position. If it has moved from the
- * baseline position, the constraints for the thumb are reset
- * @param checkPos {boolean} check the position instead of using cached value
- * @method verifyOffset
- * @return {boolean} True if the offset is the same as the baseline.
- */
- verifyOffset: function(checkPos) {
-
- var xy = getXY(this.getEl()),
- t = this.thumb;
-
- if (!this.thumbCenterPoint || !this.thumbCenterPoint.x) {
- this.setThumbCenterPoint();
- }
-
- if (xy) {
-
-
- if (xy[0] != this.baselinePos[0] || xy[1] != this.baselinePos[1]) {
-
- // Reset background
- this.setInitPosition();
- this.baselinePos = xy;
-
- // Reset thumb
- t.initPageX = this.initPageX + t.startOffset[0];
- t.initPageY = this.initPageY + t.startOffset[1];
- t.deltaSetXY = null;
- this.resetThumbConstraints();
-
- return false;
- }
- }
-
- return true;
- },
-
- /**
- * Move the associated slider moved to a timeout to try to get around the
- * mousedown stealing moz does when I move the slider element between the
- * cursor and the background during the mouseup event
- * @method moveThumb
- * @param {int} x the X coordinate of the click
- * @param {int} y the Y coordinate of the click
- * @param {boolean} skipAnim don't animate if the move happend onDrag
- * @param {boolean} midMove set to true if this is not terminating
- * the slider movement
- * @private
- */
- moveThumb: function(x, y, skipAnim, midMove) {
-
- var t = this.thumb,
- self = this,
- p,_p,anim;
-
- if (!t.available) {
- return;
- }
-
-
- t.setDelta(this.thumbCenterPoint.x, this.thumbCenterPoint.y);
-
- _p = t.getTargetCoord(x, y);
- p = [Math.round(_p.x), Math.round(_p.y)];
-
- if (this.animate && t._graduated && !skipAnim) {
- this.lock();
-
- // cache the current thumb pos
- this.curCoord = getXY(this.thumb.getEl());
- this.curCoord = [Math.round(this.curCoord[0]), Math.round(this.curCoord[1])];
-
- setTimeout( function() { self.moveOneTick(p); }, this.tickPause );
-
- } else if (this.animate && Slider.ANIM_AVAIL && !skipAnim) {
-
- this.lock();
-
- anim = new YAHOO.util.Motion(
- t.id, { points: { to: p } },
- this.animationDuration,
- YAHOO.util.Easing.easeOut );
-
- anim.onComplete.subscribe( function() {
- self.unlock();
- if (!self._mouseDown) {
- self.endMove();
- }
- });
- anim.animate();
-
- } else {
- t.setDragElPos(x, y);
- if (!midMove && !this._mouseDown) {
- this.endMove();
- }
- }
- },
-
- _slideStart: function() {
- if (!this._sliding) {
- if (!this._silent) {
- this.onSlideStart();
- this.fireEvent("slideStart");
- }
- this._sliding = true;
- }
- },
-
- _slideEnd: function() {
- if (this._sliding && this.moveComplete) {
- // Reset state before firing slideEnd
- var silent = this._silent;
- this._sliding = false;
- this._silent = false;
- this.moveComplete = false;
- if (!silent) {
- this.onSlideEnd();
- this.fireEvent("slideEnd");
- }
- }
- },
-
- /**
- * Move the slider one tick mark towards its final coordinate. Used
- * for the animation when tick marks are defined
- * @method moveOneTick
- * @param {int[]} the destination coordinate
- * @private
- */
- moveOneTick: function(finalCoord) {
-
- var t = this.thumb,
- self = this,
- nextCoord = null,
- tmpX, tmpY;
-
- if (t._isRegion) {
- nextCoord = this._getNextX(this.curCoord, finalCoord);
- tmpX = (nextCoord !== null) ? nextCoord[0] : this.curCoord[0];
- nextCoord = this._getNextY(this.curCoord, finalCoord);
- tmpY = (nextCoord !== null) ? nextCoord[1] : this.curCoord[1];
-
- nextCoord = tmpX !== this.curCoord[0] || tmpY !== this.curCoord[1] ?
- [ tmpX, tmpY ] : null;
- } else if (t._isHoriz) {
- nextCoord = this._getNextX(this.curCoord, finalCoord);
- } else {
- nextCoord = this._getNextY(this.curCoord, finalCoord);
- }
-
-
- if (nextCoord) {
-
- // cache the position
- this.curCoord = nextCoord;
-
- // move to the next coord
- this.thumb.alignElWithMouse(t.getEl(), nextCoord[0] + this.thumbCenterPoint.x, nextCoord[1] + this.thumbCenterPoint.y);
-
- // check if we are in the final position, if not make a recursive call
- if (!(nextCoord[0] == finalCoord[0] && nextCoord[1] == finalCoord[1])) {
- setTimeout(function() { self.moveOneTick(finalCoord); },
- this.tickPause);
- } else {
- this.unlock();
- if (!this._mouseDown) {
- this.endMove();
- }
- }
- } else {
- this.unlock();
- if (!this._mouseDown) {
- this.endMove();
- }
- }
- },
-
- /**
- * Returns the next X tick value based on the current coord and the target coord.
- * @method _getNextX
- * @private
- */
- _getNextX: function(curCoord, finalCoord) {
- var t = this.thumb,
- thresh,
- tmp = [],
- nextCoord = null;
-
- if (curCoord[0] > finalCoord[0]) {
- thresh = t.tickSize - this.thumbCenterPoint.x;
- tmp = t.getTargetCoord( curCoord[0] - thresh, curCoord[1] );
- nextCoord = [tmp.x, tmp.y];
- } else if (curCoord[0] < finalCoord[0]) {
- thresh = t.tickSize + this.thumbCenterPoint.x;
- tmp = t.getTargetCoord( curCoord[0] + thresh, curCoord[1] );
- nextCoord = [tmp.x, tmp.y];
- } else {
- // equal, do nothing
- }
-
- return nextCoord;
- },
-
- /**
- * Returns the next Y tick value based on the current coord and the target coord.
- * @method _getNextY
- * @private
- */
- _getNextY: function(curCoord, finalCoord) {
- var t = this.thumb,
- thresh,
- tmp = [],
- nextCoord = null;
-
- if (curCoord[1] > finalCoord[1]) {
- thresh = t.tickSize - this.thumbCenterPoint.y;
- tmp = t.getTargetCoord( curCoord[0], curCoord[1] - thresh );
- nextCoord = [tmp.x, tmp.y];
- } else if (curCoord[1] < finalCoord[1]) {
- thresh = t.tickSize + this.thumbCenterPoint.y;
- tmp = t.getTargetCoord( curCoord[0], curCoord[1] + thresh );
- nextCoord = [tmp.x, tmp.y];
- } else {
- // equal, do nothing
- }
-
- return nextCoord;
- },
-
- /**
- * Resets the constraints before moving the thumb.
- * @method b4MouseDown
- * @private
- */
- b4MouseDown: function(e) {
- if (!this.backgroundEnabled) {
- return false;
- }
-
- this.thumb.autoOffset();
- this.resetThumbConstraints();
- },
-
- /**
- * Handles the mousedown event for the slider background
- * @method onMouseDown
- * @private
- */
- onMouseDown: function(e) {
- if (!this.backgroundEnabled || this.isLocked()) {
- return false;
- }
-
- this._mouseDown = true;
-
- var x = Event.getPageX(e),
- y = Event.getPageY(e);
-
-
- this.focus();
- this._slideStart();
- this.moveThumb(x, y);
- },
-
- /**
- * Handles the onDrag event for the slider background
- * @method onDrag
- * @private
- */
- onDrag: function(e) {
- if (this.backgroundEnabled && !this.isLocked()) {
- var x = Event.getPageX(e),
- y = Event.getPageY(e);
- this.moveThumb(x, y, true, true);
- this.fireEvents();
- }
- },
-
- /**
- * Fired when the slider movement ends
- * @method endMove
- * @private
- */
- endMove: function () {
- this.unlock();
- this.fireEvents();
- this.moveComplete = true;
- this._slideEnd();
- },
-
- /**
- * Resets the X and Y contraints for the thumb. Used in lieu of the thumb
- * instance's inherited resetConstraints because some logic was not
- * applicable.
- * @method resetThumbConstraints
- * @protected
- */
- resetThumbConstraints: function () {
- var t = this.thumb;
-
- t.setXConstraint(t.leftConstraint, t.rightConstraint, t.xTickSize);
- t.setYConstraint(t.topConstraint, t.bottomConstraint, t.xTickSize);
- },
-
- /**
- * Fires the change event if the value has been changed. Ignored if we are in
- * the middle of an animation as the event will fire when the animation is
- * complete
- * @method fireEvents
- * @param {boolean} thumbEvent set to true if this event is fired from an event
- * that occurred on the thumb. If it is, the state of the
- * thumb dd object should be correct. Otherwise, the event
- * originated on the background, so the thumb state needs to
- * be refreshed before proceeding.
- * @private
- */
- fireEvents: function (thumbEvent) {
-
- var t = this.thumb, newX, newY, newVal;
-
- if (!thumbEvent) {
- t.cachePosition();
- }
-
- if (! this.isLocked()) {
- if (t._isRegion) {
- newX = t.getXValue();
- newY = t.getYValue();
-
- if (newX != this.previousX || newY != this.previousY) {
- if (!this._silent) {
- this.onChange(newX, newY);
- this.fireEvent("change", { x: newX, y: newY });
- }
- }
-
- this.previousX = newX;
- this.previousY = newY;
-
- } else {
- newVal = t.getValue();
- if (newVal != this.previousVal) {
- if (!this._silent) {
- this.onChange( newVal );
- this.fireEvent("change", newVal);
- }
- }
- this.previousVal = newVal;
- }
-
- }
- },
-
- /**
- * Slider toString
- * @method toString
- * @return {string} string representation of the instance
- */
- toString: function () {
- return ("Slider (" + this.type +") " + this.id);
- }
-
-});
-
-YAHOO.lang.augmentProto(Slider, YAHOO.util.EventProvider);
-
-YAHOO.widget.Slider = Slider;
-})();
-/**
- * A drag and drop implementation to be used as the thumb of a slider.
- * @class SliderThumb
- * @extends YAHOO.util.DD
- * @constructor
- * @param {String} id the id of the slider html element
- * @param {String} sGroup the group of related DragDrop items
- * @param {int} iLeft the number of pixels the element can move left
- * @param {int} iRight the number of pixels the element can move right
- * @param {int} iUp the number of pixels the element can move up
- * @param {int} iDown the number of pixels the element can move down
- * @param {int} iTickSize optional parameter for specifying that the element
- * should move a certain number pixels at a time.
- */
-YAHOO.widget.SliderThumb = function(id, sGroup, iLeft, iRight, iUp, iDown, iTickSize) {
-
- if (id) {
- YAHOO.widget.SliderThumb.superclass.constructor.call(this, id, sGroup);
-
- /**
- * The id of the thumbs parent HTML element (the slider background
- * element).
- * @property parentElId
- * @type string
- */
- this.parentElId = sGroup;
- }
-
-
-
- /**
- * Overrides the isTarget property in YAHOO.util.DragDrop
- * @property isTarget
- * @private
- */
- this.isTarget = false;
-
- /**
- * The tick size for this slider
- * @property tickSize
- * @type int
- * @private
- */
- this.tickSize = iTickSize;
-
- /**
- * Informs the drag and drop util that the offsets should remain when
- * resetting the constraints. This preserves the slider value when
- * the constraints are reset
- * @property maintainOffset
- * @type boolean
- * @private
- */
- this.maintainOffset = true;
-
- this.initSlider(iLeft, iRight, iUp, iDown, iTickSize);
-
- /**
- * Turns off the autoscroll feature in drag and drop
- * @property scroll
- * @private
- */
- this.scroll = false;
-
-};
-
-YAHOO.extend(YAHOO.widget.SliderThumb, YAHOO.util.DD, {
-
- /**
- * The (X and Y) difference between the thumb location and its parent
- * (the slider background) when the control is instantiated.
- * @property startOffset
- * @type [int, int]
- */
- startOffset: null,
-
- /**
- * Override the default setting of dragOnly to true.
- * @property dragOnly
- * @type boolean
- * @default true
- */
- dragOnly : true,
-
- /**
- * Flag used to figure out if this is a horizontal or vertical slider
- * @property _isHoriz
- * @type boolean
- * @private
- */
- _isHoriz: false,
-
- /**
- * Cache the last value so we can check for change
- * @property _prevVal
- * @type int
- * @private
- */
- _prevVal: 0,
-
- /**
- * The slider is _graduated if there is a tick interval defined
- * @property _graduated
- * @type boolean
- * @private
- */
- _graduated: false,
-
-
- /**
- * Returns the difference between the location of the thumb and its parent.
- * @method getOffsetFromParent
- * @param {[int, int]} parentPos Optionally accepts the position of the parent
- * @type [int, int]
- */
- getOffsetFromParent0: function(parentPos) {
- var myPos = YAHOO.util.Dom.getXY(this.getEl()),
- ppos = parentPos || YAHOO.util.Dom.getXY(this.parentElId);
-
- return [ (myPos[0] - ppos[0]), (myPos[1] - ppos[1]) ];
- },
-
- getOffsetFromParent: function(parentPos) {
-
- var el = this.getEl(), newOffset,
- myPos,ppos,l,t,deltaX,deltaY,newLeft,newTop;
-
- if (!this.deltaOffset) {
-
- myPos = YAHOO.util.Dom.getXY(el);
- ppos = parentPos || YAHOO.util.Dom.getXY(this.parentElId);
-
- newOffset = [ (myPos[0] - ppos[0]), (myPos[1] - ppos[1]) ];
-
- l = parseInt( YAHOO.util.Dom.getStyle(el, "left"), 10 );
- t = parseInt( YAHOO.util.Dom.getStyle(el, "top" ), 10 );
-
- deltaX = l - newOffset[0];
- deltaY = t - newOffset[1];
-
- if (isNaN(deltaX) || isNaN(deltaY)) {
- } else {
- this.deltaOffset = [deltaX, deltaY];
- }
-
- } else {
- newLeft = parseInt( YAHOO.util.Dom.getStyle(el, "left"), 10 );
- newTop = parseInt( YAHOO.util.Dom.getStyle(el, "top" ), 10 );
-
- newOffset = [newLeft + this.deltaOffset[0], newTop + this.deltaOffset[1]];
- }
-
- return newOffset;
- },
-
- /**
- * Set up the slider, must be called in the constructor of all subclasses
- * @method initSlider
- * @param {int} iLeft the number of pixels the element can move left
- * @param {int} iRight the number of pixels the element can move right
- * @param {int} iUp the number of pixels the element can move up
- * @param {int} iDown the number of pixels the element can move down
- * @param {int} iTickSize the width of the tick interval.
- */
- initSlider: function (iLeft, iRight, iUp, iDown, iTickSize) {
- this.initLeft = iLeft;
- this.initRight = iRight;
- this.initUp = iUp;
- this.initDown = iDown;
-
- this.setXConstraint(iLeft, iRight, iTickSize);
- this.setYConstraint(iUp, iDown, iTickSize);
-
- if (iTickSize && iTickSize > 1) {
- this._graduated = true;
- }
-
- this._isHoriz = (iLeft || iRight);
- this._isVert = (iUp || iDown);
- this._isRegion = (this._isHoriz && this._isVert);
-
- },
-
- /**
- * Clear's the slider's ticks
- * @method clearTicks
- */
- clearTicks: function () {
- YAHOO.widget.SliderThumb.superclass.clearTicks.call(this);
- this.tickSize = 0;
- this._graduated = false;
- },
-
-
- /**
- * Gets the current offset from the element's start position in
- * pixels.
- * @method getValue
- * @return {int} the number of pixels (positive or negative) the
- * slider has moved from the start position.
- */
- getValue: function () {
- return (this._isHoriz) ? this.getXValue() : this.getYValue();
- },
-
- /**
- * Gets the current X offset from the element's start position in
- * pixels.
- * @method getXValue
- * @return {int} the number of pixels (positive or negative) the
- * slider has moved horizontally from the start position.
- */
- getXValue: function () {
- if (!this.available) {
- return 0;
- }
- var newOffset = this.getOffsetFromParent();
- if (YAHOO.lang.isNumber(newOffset[0])) {
- this.lastOffset = newOffset;
- return (newOffset[0] - this.startOffset[0]);
- } else {
- return (this.lastOffset[0] - this.startOffset[0]);
- }
- },
-
- /**
- * Gets the current Y offset from the element's start position in
- * pixels.
- * @method getYValue
- * @return {int} the number of pixels (positive or negative) the
- * slider has moved vertically from the start position.
- */
- getYValue: function () {
- if (!this.available) {
- return 0;
- }
- var newOffset = this.getOffsetFromParent();
- if (YAHOO.lang.isNumber(newOffset[1])) {
- this.lastOffset = newOffset;
- return (newOffset[1] - this.startOffset[1]);
- } else {
- return (this.lastOffset[1] - this.startOffset[1]);
- }
- },
-
- /**
- * Thumb toString
- * @method toString
- * @return {string} string representation of the instance
- */
- toString: function () {
- return "SliderThumb " + this.id;
- },
-
- /**
- * The onchange event for the handle/thumb is delegated to the YAHOO.widget.Slider
- * instance it belongs to.
- * @method onChange
- * @private
- */
- onChange: function (x, y) {
- }
-
-});
-/**
- * A slider with two thumbs, one that represents the min value and
- * the other the max. Actually a composition of two sliders, both with
- * the same background. The constraints for each slider are adjusted
- * dynamically so that the min value of the max slider is equal or greater
- * to the current value of the min slider, and the max value of the min
- * slider is the current value of the max slider.
- * Constructor assumes both thumbs are positioned absolutely at the 0 mark on
- * the background.
- *
- * @namespace YAHOO.widget
- * @class DualSlider
- * @uses YAHOO.util.EventProvider
- * @constructor
- * @param {Slider} minSlider The Slider instance used for the min value thumb
- * @param {Slider} maxSlider The Slider instance used for the max value thumb
- * @param {int} range The number of pixels the thumbs may move within
- * @param {Array} initVals (optional) [min,max] Initial thumb placement
- */
-(function () {
-
-var Event = YAHOO.util.Event,
- YW = YAHOO.widget;
-
-function DualSlider(minSlider, maxSlider, range, initVals) {
-
- var self = this,
- ready = { min : false, max : false },
- minThumbOnMouseDown, maxThumbOnMouseDown;
-
- /**
- * A slider instance that keeps track of the lower value of the range.
- * <strong>read only</strong>
- * @property minSlider
- * @type Slider
- */
- this.minSlider = minSlider;
-
- /**
- * A slider instance that keeps track of the upper value of the range.
- * <strong>read only</strong>
- * @property maxSlider
- * @type Slider
- */
- this.maxSlider = maxSlider;
-
- /**
- * The currently active slider (min or max). <strong>read only</strong>
- * @property activeSlider
- * @type Slider
- */
- this.activeSlider = minSlider;
-
- /**
- * Is the DualSlider oriented horizontally or vertically?
- * <strong>read only</strong>
- * @property isHoriz
- * @type boolean
- */
- this.isHoriz = minSlider.thumb._isHoriz;
-
- //FIXME: this is horrible
- minThumbOnMouseDown = this.minSlider.thumb.onMouseDown;
- maxThumbOnMouseDown = this.maxSlider.thumb.onMouseDown;
- this.minSlider.thumb.onMouseDown = function() {
- self.activeSlider = self.minSlider;
- minThumbOnMouseDown.apply(this,arguments);
- };
- this.maxSlider.thumb.onMouseDown = function () {
- self.activeSlider = self.maxSlider;
- maxThumbOnMouseDown.apply(this,arguments);
- };
-
- this.minSlider.thumb.onAvailable = function () {
- minSlider.setStartSliderState();
- ready.min = true;
- if (ready.max) {
- self.fireEvent('ready',self);
- }
- };
- this.maxSlider.thumb.onAvailable = function () {
- maxSlider.setStartSliderState();
- ready.max = true;
- if (ready.min) {
- self.fireEvent('ready',self);
- }
- };
-
- // dispatch mousedowns to the active slider
- minSlider.onMouseDown =
- maxSlider.onMouseDown = function(e) {
- return this.backgroundEnabled && self._handleMouseDown(e);
- };
-
- // Fix the drag behavior so that only the active slider
- // follows the drag
- minSlider.onDrag =
- maxSlider.onDrag = function(e) {
- self._handleDrag(e);
- };
-
- // Likely only the minSlider's onMouseUp will be executed, but both are
- // overridden just to be safe
- minSlider.onMouseUp =
- maxSlider.onMouseUp = function (e) {
- self._handleMouseUp(e);
- };
-
- // Replace the _bindKeyEvents for the minSlider and remove that for the
- // maxSlider since they share the same bg element.
- minSlider._bindKeyEvents = function () {
- self._bindKeyEvents(this);
- };
- maxSlider._bindKeyEvents = function () {};
-
- // The core events for each slider are handled so we can expose a single
- // event for when the event happens on either slider
- minSlider.subscribe("change", this._handleMinChange, minSlider, this);
- minSlider.subscribe("slideStart", this._handleSlideStart, minSlider, this);
- minSlider.subscribe("slideEnd", this._handleSlideEnd, minSlider, this);
-
- maxSlider.subscribe("change", this._handleMaxChange, maxSlider, this);
- maxSlider.subscribe("slideStart", this._handleSlideStart, maxSlider, this);
- maxSlider.subscribe("slideEnd", this._handleSlideEnd, maxSlider, this);
-
- /**
- * Event that fires when the slider is finished setting up
- * @event ready
- * @param {DualSlider} dualslider the DualSlider instance
- */
- this.createEvent("ready", this);
-
- /**
- * Event that fires when either the min or max value changes
- * @event change
- * @param {DualSlider} dualslider the DualSlider instance
- */
- this.createEvent("change", this);
-
- /**
- * Event that fires when one of the thumbs begins to move
- * @event slideStart
- * @param {Slider} activeSlider the moving slider
- */
- this.createEvent("slideStart", this);
-
- /**
- * Event that fires when one of the thumbs finishes moving
- * @event slideEnd
- * @param {Slider} activeSlider the moving slider
- */
- this.createEvent("slideEnd", this);
-
- // Validate initial values
- initVals = YAHOO.lang.isArray(initVals) ? initVals : [0,range];
- initVals[0] = Math.min(Math.max(parseInt(initVals[0],10)|0,0),range);
- initVals[1] = Math.max(Math.min(parseInt(initVals[1],10)|0,range),0);
- // Swap initVals if min > max
- if (initVals[0] > initVals[1]) {
- initVals.splice(0,2,initVals[1],initVals[0]);
- }
- this.minVal = initVals[0];
- this.maxVal = initVals[1];
-
- // Set values so initial assignment when the slider thumbs are ready will
- // use these values
- this.minSlider.setValue(this.minVal,true,true,true);
- this.maxSlider.setValue(this.maxVal,true,true,true);
-
-}
-
-DualSlider.prototype = {
-
- /**
- * The current value of the min thumb. <strong>read only</strong>.
- * @property minVal
- * @type int
- */
- minVal : -1,
-
- /**
- * The current value of the max thumb. <strong>read only</strong>.
- * @property maxVal
- * @type int
- */
- maxVal : -1,
-
- /**
- * Pixel distance to maintain between thumbs.
- * @property minRange
- * @type int
- * @default 0
- */
- minRange : 0,
-
- /**
- * Executed when one of the sliders fires the slideStart event
- * @method _handleSlideStart
- * @private
- */
- _handleSlideStart: function(data, slider) {
- this.fireEvent("slideStart", slider);
- },
-
- /**
- * Executed when one of the sliders fires the slideEnd event
- * @method _handleSlideEnd
- * @private
- */
- _handleSlideEnd: function(data, slider) {
- this.fireEvent("slideEnd", slider);
- },
-
- /**
- * Overrides the onDrag method for both sliders
- * @method _handleDrag
- * @private
- */
- _handleDrag: function(e) {
- YW.Slider.prototype.onDrag.call(this.activeSlider, e);
- },
-
- /**
- * Executed when the min slider fires the change event
- * @method _handleMinChange
- * @private
- */
- _handleMinChange: function() {
- this.activeSlider = this.minSlider;
- this.updateValue();
- },
-
- /**
- * Executed when the max slider fires the change event
- * @method _handleMaxChange
- * @private
- */
- _handleMaxChange: function() {
- this.activeSlider = this.maxSlider;
- this.updateValue();
- },
-
- /**
- * Set up the listeners for the keydown and keypress events.
- *
- * @method _bindKeyEvents
- * @protected
- */
- _bindKeyEvents : function (slider) {
- Event.on(slider.id,'keydown', this._handleKeyDown, this,true);
- Event.on(slider.id,'keypress',this._handleKeyPress,this,true);
- },
-
- /**
- * Delegate event handling to the active Slider. See Slider.handleKeyDown.
- *
- * @method _handleKeyDown
- * @param e {Event} the mousedown DOM event
- * @protected
- */
- _handleKeyDown : function (e) {
- this.activeSlider.handleKeyDown.apply(this.activeSlider,arguments);
- },
-
- /**
- * Delegate event handling to the active Slider. See Slider.handleKeyPress.
- *
- * @method _handleKeyPress
- * @param e {Event} the mousedown DOM event
- * @protected
- */
- _handleKeyPress : function (e) {
- this.activeSlider.handleKeyPress.apply(this.activeSlider,arguments);
- },
-
- /**
- * Sets the min and max thumbs to new values.
- * @method setValues
- * @param min {int} Pixel offset to assign to the min thumb
- * @param max {int} Pixel offset to assign to the max thumb
- * @param skipAnim {boolean} (optional) Set to true to skip thumb animation.
- * Default false
- * @param force {boolean} (optional) ignore the locked setting and set
- * value anyway. Default false
- * @param silent {boolean} (optional) Set to true to skip firing change
- * events. Default false
- */
- setValues : function (min, max, skipAnim, force, silent) {
- var mins = this.minSlider,
- maxs = this.maxSlider,
- mint = mins.thumb,
- maxt = maxs.thumb,
- self = this,
- done = { min : false, max : false };
-
- // Clear constraints to prevent animated thumbs from prematurely
- // stopping when hitting a constraint that's moving with the other
- // thumb.
- if (mint._isHoriz) {
- mint.setXConstraint(mint.leftConstraint,maxt.rightConstraint,mint.tickSize);
- maxt.setXConstraint(mint.leftConstraint,maxt.rightConstraint,maxt.tickSize);
- } else {
- mint.setYConstraint(mint.topConstraint,maxt.bottomConstraint,mint.tickSize);
- maxt.setYConstraint(mint.topConstraint,maxt.bottomConstraint,maxt.tickSize);
- }
-
- // Set up one-time slideEnd callbacks to call updateValue when both
- // thumbs have been set
- this._oneTimeCallback(mins,'slideEnd',function () {
- done.min = true;
- if (done.max) {
- self.updateValue(silent);
- // Clean the slider's slideEnd events on a timeout since this
- // will be executed from inside the event's fire
- setTimeout(function () {
- self._cleanEvent(mins,'slideEnd');
- self._cleanEvent(maxs,'slideEnd');
- },0);
- }
- });
-
- this._oneTimeCallback(maxs,'slideEnd',function () {
- done.max = true;
- if (done.min) {
- self.updateValue(silent);
- // Clean both sliders' slideEnd events on a timeout since this
- // will be executed from inside one of the event's fire
- setTimeout(function () {
- self._cleanEvent(mins,'slideEnd');
- self._cleanEvent(maxs,'slideEnd');
- },0);
- }
- });
-
- // Must emit Slider slideEnd event to propagate to updateValue
- mins.setValue(min,skipAnim,force,false);
- maxs.setValue(max,skipAnim,force,false);
- },
-
- /**
- * Set the min thumb position to a new value.
- * @method setMinValue
- * @param min {int} Pixel offset for min thumb
- * @param skipAnim {boolean} (optional) Set to true to skip thumb animation.
- * Default false
- * @param force {boolean} (optional) ignore the locked setting and set
- * value anyway. Default false
- * @param silent {boolean} (optional) Set to true to skip firing change
- * events. Default false
- */
- setMinValue : function (min, skipAnim, force, silent) {
- var mins = this.minSlider,
- self = this;
-
- this.activeSlider = mins;
-
- // Use a one-time event callback to delay the updateValue call
- // until after the slide operation is done
- self = this;
- this._oneTimeCallback(mins,'slideEnd',function () {
- self.updateValue(silent);
- // Clean the slideEnd event on a timeout since this
- // will be executed from inside the event's fire
- setTimeout(function () { self._cleanEvent(mins,'slideEnd'); }, 0);
- });
-
- mins.setValue(min, skipAnim, force);
- },
-
- /**
- * Set the max thumb position to a new value.
- * @method setMaxValue
- * @param max {int} Pixel offset for max thumb
- * @param skipAnim {boolean} (optional) Set to true to skip thumb animation.
- * Default false
- * @param force {boolean} (optional) ignore the locked setting and set
- * value anyway. Default false
- * @param silent {boolean} (optional) Set to true to skip firing change
- * events. Default false
- */
- setMaxValue : function (max, skipAnim, force, silent) {
- var maxs = this.maxSlider,
- self = this;
-
- this.activeSlider = maxs;
-
- // Use a one-time event callback to delay the updateValue call
- // until after the slide operation is done
- this._oneTimeCallback(maxs,'slideEnd',function () {
- self.updateValue(silent);
- // Clean the slideEnd event on a timeout since this
- // will be executed from inside the event's fire
- setTimeout(function () { self._cleanEvent(maxs,'slideEnd'); }, 0);
- });
-
- maxs.setValue(max, skipAnim, force);
- },
-
- /**
- * Executed when one of the sliders is moved
- * @method updateValue
- * @param silent {boolean} (optional) Set to true to skip firing change
- * events. Default false
- * @private
- */
- updateValue: function(silent) {
- var min = this.minSlider.getValue(),
- max = this.maxSlider.getValue(),
- changed = false,
- mint,maxt,dim,minConstraint,maxConstraint,thumbInnerWidth;
-
- if (min != this.minVal || max != this.maxVal) {
- changed = true;
-
- mint = this.minSlider.thumb;
- maxt = this.maxSlider.thumb;
- dim = this.isHoriz ? 'x' : 'y';
-
- thumbInnerWidth = this.minSlider.thumbCenterPoint[dim] +
- this.maxSlider.thumbCenterPoint[dim];
-
- // Establish barriers within the respective other thumb's edge, less
- // the minRange. Limit to the Slider's range in the case of
- // negative minRanges.
- minConstraint = Math.max(max-thumbInnerWidth-this.minRange,0);
- maxConstraint = Math.min(-min-thumbInnerWidth-this.minRange,0);
-
- if (this.isHoriz) {
- minConstraint = Math.min(minConstraint,maxt.rightConstraint);
-
- mint.setXConstraint(mint.leftConstraint,minConstraint, mint.tickSize);
-
- maxt.setXConstraint(maxConstraint,maxt.rightConstraint, maxt.tickSize);
- } else {
- minConstraint = Math.min(minConstraint,maxt.bottomConstraint);
- mint.setYConstraint(mint.leftConstraint,minConstraint, mint.tickSize);
-
- maxt.setYConstraint(maxConstraint,maxt.bottomConstraint, maxt.tickSize);
- }
- }
-
- this.minVal = min;
- this.maxVal = max;
-
- if (changed && !silent) {
- this.fireEvent("change", this);
- }
- },
-
- /**
- * A background click will move the slider thumb nearest to the click.
- * Override if you need different behavior.
- * @method selectActiveSlider
- * @param e {Event} the mousedown event
- * @private
- */
- selectActiveSlider: function(e) {
- var min = this.minSlider,
- max = this.maxSlider,
- minLocked = min.isLocked() || !min.backgroundEnabled,
- maxLocked = max.isLocked() || !min.backgroundEnabled,
- Ev = YAHOO.util.Event,
- d;
-
- if (minLocked || maxLocked) {
- this.activeSlider = minLocked ? max : min;
- } else {
- if (this.isHoriz) {
- d = Ev.getPageX(e)-min.thumb.initPageX-min.thumbCenterPoint.x;
- } else {
- d = Ev.getPageY(e)-min.thumb.initPageY-min.thumbCenterPoint.y;
- }
-
- this.activeSlider = d*2 > max.getValue()+min.getValue() ? max : min;
- }
- },
-
- /**
- * Delegates the onMouseDown to the appropriate Slider
- *
- * @method _handleMouseDown
- * @param e {Event} mouseup event
- * @protected
- */
- _handleMouseDown: function(e) {
- if (!e._handled) {
- e._handled = true;
- this.selectActiveSlider(e);
- return YW.Slider.prototype.onMouseDown.call(this.activeSlider, e);
- } else {
- return false;
- }
- },
-
- /**
- * Delegates the onMouseUp to the active Slider
- *
- * @method _handleMouseUp
- * @param e {Event} mouseup event
- * @protected
- */
- _handleMouseUp : function (e) {
- YW.Slider.prototype.onMouseUp.apply(
- this.activeSlider, arguments);
- },
-
- /**
- * Schedule an event callback that will execute once, then unsubscribe
- * itself.
- * @method _oneTimeCallback
- * @param o {EventProvider} Object to attach the event to
- * @param evt {string} Name of the event
- * @param fn {Function} function to execute once
- * @private
- */
- _oneTimeCallback : function (o,evt,fn) {
- o.subscribe(evt,function () {
- // Unsubscribe myself
- o.unsubscribe(evt,arguments.callee);
- // Pass the event handler arguments to the one time callback
- fn.apply({},[].slice.apply(arguments));
- });
- },
-
- /**
- * Clean up the slideEnd event subscribers array, since each one-time
- * callback will be replaced in the event's subscribers property with
- * null. This will cause memory bloat and loss of performance.
- * @method _cleanEvent
- * @param o {EventProvider} object housing the CustomEvent
- * @param evt {string} name of the CustomEvent
- * @private
- */
- _cleanEvent : function (o,evt) {
- var ce,i,len,j,subs,newSubs;
-
- if (o.__yui_events && o.events[evt]) {
- for (i = o.__yui_events.length; i >= 0; --i) {
- if (o.__yui_events[i].type === evt) {
- ce = o.__yui_events[i];
- break;
- }
- }
- if (ce) {
- subs = ce.subscribers;
- newSubs = [];
- j = 0;
- for (i = 0, len = subs.length; i < len; ++i) {
- if (subs[i]) {
- newSubs[j++] = subs[i];
- }
- }
- ce.subscribers = newSubs;
- }
- }
- }
-
-};
-
-YAHOO.lang.augmentProto(DualSlider, YAHOO.util.EventProvider);
-
-
-/**
- * Factory method for creating a horizontal dual-thumb slider
- * @for YAHOO.widget.Slider
- * @method YAHOO.widget.Slider.getHorizDualSlider
- * @static
- * @param {String} bg the id of the slider's background element
- * @param {String} minthumb the id of the min thumb
- * @param {String} maxthumb the id of the thumb thumb
- * @param {int} range the number of pixels the thumbs can move within
- * @param {int} iTickSize (optional) the element should move this many pixels
- * at a time
- * @param {Array} initVals (optional) [min,max] Initial thumb placement
- * @return {DualSlider} a horizontal dual-thumb slider control
- */
-YW.Slider.getHorizDualSlider =
- function (bg, minthumb, maxthumb, range, iTickSize, initVals) {
- var mint = new YW.SliderThumb(minthumb, bg, 0, range, 0, 0, iTickSize),
- maxt = new YW.SliderThumb(maxthumb, bg, 0, range, 0, 0, iTickSize);
-
- return new DualSlider(
- new YW.Slider(bg, bg, mint, "horiz"),
- new YW.Slider(bg, bg, maxt, "horiz"),
- range, initVals);
-};
-
-/**
- * Factory method for creating a vertical dual-thumb slider.
- * @for YAHOO.widget.Slider
- * @method YAHOO.widget.Slider.getVertDualSlider
- * @static
- * @param {String} bg the id of the slider's background element
- * @param {String} minthumb the id of the min thumb
- * @param {String} maxthumb the id of the thumb thumb
- * @param {int} range the number of pixels the thumbs can move within
- * @param {int} iTickSize (optional) the element should move this many pixels
- * at a time
- * @param {Array} initVals (optional) [min,max] Initial thumb placement
- * @return {DualSlider} a vertical dual-thumb slider control
- */
-YW.Slider.getVertDualSlider =
- function (bg, minthumb, maxthumb, range, iTickSize, initVals) {
- var mint = new YW.SliderThumb(minthumb, bg, 0, 0, 0, range, iTickSize),
- maxt = new YW.SliderThumb(maxthumb, bg, 0, 0, 0, range, iTickSize);
-
- return new YW.DualSlider(
- new YW.Slider(bg, bg, mint, "vert"),
- new YW.Slider(bg, bg, maxt, "vert"),
- range, initVals);
-};
-
-YAHOO.widget.DualSlider = DualSlider;
-
-})();
-YAHOO.register("slider", YAHOO.widget.Slider, {version: "2.7.0", build: "1799"});
ToastFreeware / philipp / winterrodeln / wradmin.git / blobdiff