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Diffstat (limited to 'contexts/data/lib/closure-library/closure/goog/graphics/ext/element.js')
| -rw-r--r-- | contexts/data/lib/closure-library/closure/goog/graphics/ext/element.js | 968 |
1 files changed, 0 insertions, 968 deletions
diff --git a/contexts/data/lib/closure-library/closure/goog/graphics/ext/element.js b/contexts/data/lib/closure-library/closure/goog/graphics/ext/element.js deleted file mode 100644 index 21ded29..0000000 --- a/contexts/data/lib/closure-library/closure/goog/graphics/ext/element.js +++ /dev/null @@ -1,968 +0,0 @@ -// Copyright 2007 The Closure Library Authors. All Rights Reserved. -// -// 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. - -/** - * @fileoverview A thicker wrapper around the DOM element returned from - * the different draw methods of the graphics implementation, and - * all interfaces that the various element types support. - * @author robbyw@google.com (Robby Walker) - */ - -goog.provide('goog.graphics.ext.Element'); - -goog.require('goog.events'); -goog.require('goog.events.EventTarget'); -goog.require('goog.functions'); -goog.require('goog.graphics'); -goog.require('goog.graphics.ext.coordinates'); - - - -/** - * Base class for a wrapper around the goog.graphics wrapper that enables - * more advanced functionality. - * @param {goog.graphics.ext.Group?} group Parent for this element. - * @param {goog.graphics.Element} wrapper The thin wrapper to wrap. - * @constructor - * @extends {goog.events.EventTarget} - */ -goog.graphics.ext.Element = function(group, wrapper) { - goog.events.EventTarget.call(this); - this.wrapper_ = wrapper; - this.graphics_ = group ? group.getGraphics() : this; - - this.xPosition_ = new goog.graphics.ext.Element.Position_(this, true); - this.yPosition_ = new goog.graphics.ext.Element.Position_(this, false); - - // Handle parent / child relationships. - if (group) { - this.parent_ = group; - this.parent_.addChild(this); - } -}; -goog.inherits(goog.graphics.ext.Element, goog.events.EventTarget); - - -/** - * The graphics object that contains this element. - * @type {goog.graphics.ext.Graphics|goog.graphics.ext.Element} - * @private - */ -goog.graphics.ext.Element.prototype.graphics_; - - -/** - * The goog.graphics wrapper this class wraps. - * @type {goog.graphics.Element} - * @private - */ -goog.graphics.ext.Element.prototype.wrapper_; - - -/** - * The group or surface containing this element. - * @type {goog.graphics.ext.Group|undefined} - * @private - */ -goog.graphics.ext.Element.prototype.parent_; - - -/** - * Whether or not computation of this element's position or size depends on its - * parent's size. - * @type {boolean} - * @private - */ -goog.graphics.ext.Element.prototype.parentDependent_ = false; - - -/** - * Whether the element has pending transformations. - * @type {boolean} - * @private - */ -goog.graphics.ext.Element.prototype.needsTransform_ = false; - - -/** - * The current angle of rotation, expressed in degrees. - * @type {number} - * @private - */ -goog.graphics.ext.Element.prototype.rotation_ = 0; - - -/** - * Object representing the x position and size of the element. - * @type {goog.graphics.ext.Element.Position_} - * @private - */ -goog.graphics.ext.Element.prototype.xPosition_; - - -/** - * Object representing the y position and size of the element. - * @type {goog.graphics.ext.Element.Position_} - * @private - */ -goog.graphics.ext.Element.prototype.yPosition_; - - -/** - * @return {goog.graphics.Element} The underlying thin wrapper. - * @protected - */ -goog.graphics.ext.Element.prototype.getWrapper = function() { - return this.wrapper_; -}; - - -/** - * @return {goog.graphics.ext.Element|goog.graphics.ext.Graphics} The graphics - * surface the element is a part of. - */ -goog.graphics.ext.Element.prototype.getGraphics = function() { - return this.graphics_; -}; - - -/** - * Returns the graphics implementation. - * @return {goog.graphics.AbstractGraphics} The underlying graphics - * implementation drawing this element's wrapper. - * @protected - */ -goog.graphics.ext.Element.prototype.getGraphicsImplementation = function() { - return this.graphics_.getImplementation(); -}; - - -/** - * @return {goog.graphics.ext.Group|undefined} The parent of this element. - */ -goog.graphics.ext.Element.prototype.getParent = function() { - return this.parent_; -}; - - -// GENERAL POSITIONING - - -/** - * Internal convenience method for setting position - either as a left/top, - * center/middle, or right/bottom value. Only one should be specified. - * @param {goog.graphics.ext.Element.Position_} position The position object to - * set the value on. - * @param {number|string} value The value of the coordinate. - * @param {goog.graphics.ext.Element.PositionType_} type The type of the - * coordinate. - * @param {boolean=} opt_chain Optional flag to specify this function is part - * of a chain of calls and therefore transformations should be set as - * pending but not yet performed. - * @private - */ -goog.graphics.ext.Element.prototype.setPosition_ = function(position, value, - type, opt_chain) { - position.setPosition(value, type); - this.computeIsParentDependent_(position); - - this.needsTransform_ = true; - if (!opt_chain) { - this.transform(); - } -}; - - -/** - * Sets the width/height of the element. - * @param {goog.graphics.ext.Element.Position_} position The position object to - * set the value on. - * @param {string|number} size The new width/height value. - * @param {boolean=} opt_chain Optional flag to specify this function is part - * of a chain of calls and therefore transformations should be set as - * pending but not yet performed. - * @private - */ -goog.graphics.ext.Element.prototype.setSize_ = function(position, size, - opt_chain) { - if (position.setSize(size)) { - this.needsTransform_ = true; - - this.computeIsParentDependent_(position); - - if (!opt_chain) { - this.reset(); - } - } else if (!opt_chain && this.isPendingTransform()) { - this.reset(); - } -}; - - -/** - * Sets the minimum width/height of the element. - * @param {goog.graphics.ext.Element.Position_} position The position object to - * set the value on. - * @param {string|number} minSize The minimum width/height of the element. - * @private - */ -goog.graphics.ext.Element.prototype.setMinSize_ = function(position, minSize) { - position.setMinSize(minSize); - this.needsTransform_ = true; - this.computeIsParentDependent_(position); -}; - - -// HORIZONTAL POSITIONING - - -/** - * @return {number} The distance from the left edge of this element to the left - * edge of its parent, specified in units of the parent's coordinate system. - */ -goog.graphics.ext.Element.prototype.getLeft = function() { - return this.xPosition_.getStart(); -}; - - -/** - * Sets the left coordinate of the element. Overwrites any previous value of - * left, center, or right for this element. - * @param {string|number} left The left coordinate. - * @param {boolean=} opt_chain Optional flag to specify this function is part - * of a chain of calls and therefore transformations should be set as - * pending but not yet performed. - */ -goog.graphics.ext.Element.prototype.setLeft = function(left, opt_chain) { - this.setPosition_(this.xPosition_, - left, - goog.graphics.ext.Element.PositionType_.START, - opt_chain); -}; - - -/** - * @return {number} The right coordinate of the element, in units of the - * parent's coordinate system. - */ -goog.graphics.ext.Element.prototype.getRight = function() { - return this.xPosition_.getEnd(); -}; - - -/** - * Sets the right coordinate of the element. Overwrites any previous value of - * left, center, or right for this element. - * @param {string|number} right The right coordinate. - * @param {boolean=} opt_chain Optional flag to specify this function is part - * of a chain of calls and therefore transformations should be set as - * pending but not yet performed. - */ -goog.graphics.ext.Element.prototype.setRight = function(right, opt_chain) { - this.setPosition_(this.xPosition_, - right, - goog.graphics.ext.Element.PositionType_.END, - opt_chain); -}; - - -/** - * @return {number} The center coordinate of the element, in units of the - * parent's coordinate system. - */ -goog.graphics.ext.Element.prototype.getCenter = function() { - return this.xPosition_.getMiddle(); -}; - - -/** - * Sets the center coordinate of the element. Overwrites any previous value of - * left, center, or right for this element. - * @param {string|number} center The center coordinate. - * @param {boolean=} opt_chain Optional flag to specify this function is part - * of a chain of calls and therefore transformations should be set as - * pending but not yet performed. - */ -goog.graphics.ext.Element.prototype.setCenter = function(center, opt_chain) { - this.setPosition_(this.xPosition_, - center, - goog.graphics.ext.Element.PositionType_.MIDDLE, - opt_chain); -}; - - -// VERTICAL POSITIONING - - -/** - * @return {number} The distance from the top edge of this element to the top - * edge of its parent, specified in units of the parent's coordinate system. - */ -goog.graphics.ext.Element.prototype.getTop = function() { - return this.yPosition_.getStart(); -}; - - -/** - * Sets the top coordinate of the element. Overwrites any previous value of - * top, middle, or bottom for this element. - * @param {string|number} top The top coordinate. - * @param {boolean=} opt_chain Optional flag to specify this function is part - * of a chain of calls and therefore transformations should be set as - * pending but not yet performed. - */ -goog.graphics.ext.Element.prototype.setTop = function(top, opt_chain) { - this.setPosition_(this.yPosition_, - top, - goog.graphics.ext.Element.PositionType_.START, - opt_chain); -}; - - -/** - * @return {number} The bottom coordinate of the element, in units of the - * parent's coordinate system. - */ -goog.graphics.ext.Element.prototype.getBottom = function() { - return this.yPosition_.getEnd(); -}; - - -/** - * Sets the bottom coordinate of the element. Overwrites any previous value of - * top, middle, or bottom for this element. - * @param {string|number} bottom The bottom coordinate. - * @param {boolean=} opt_chain Optional flag to specify this function is part - * of a chain of calls and therefore transformations should be set as - * pending but not yet performed. - */ -goog.graphics.ext.Element.prototype.setBottom = function(bottom, opt_chain) { - this.setPosition_(this.yPosition_, - bottom, - goog.graphics.ext.Element.PositionType_.END, - opt_chain); -}; - - -/** - * @return {number} The middle coordinate of the element, in units of the - * parent's coordinate system. - */ -goog.graphics.ext.Element.prototype.getMiddle = function() { - return this.yPosition_.getMiddle(); -}; - - -/** - * Sets the middle coordinate of the element. Overwrites any previous value of - * top, middle, or bottom for this element - * @param {string|number} middle The middle coordinate. - * @param {boolean=} opt_chain Optional flag to specify this function is part - * of a chain of calls and therefore transformations should be set as - * pending but not yet performed. - */ -goog.graphics.ext.Element.prototype.setMiddle = function(middle, opt_chain) { - this.setPosition_(this.yPosition_, - middle, - goog.graphics.ext.Element.PositionType_.MIDDLE, - opt_chain); -}; - - -// DIMENSIONS - - -/** - * @return {number} The width of the element, in units of the parent's - * coordinate system. - */ -goog.graphics.ext.Element.prototype.getWidth = function() { - return this.xPosition_.getSize(); -}; - - -/** - * Sets the width of the element. - * @param {string|number} width The new width value. - * @param {boolean=} opt_chain Optional flag to specify this function is part - * of a chain of calls and therefore transformations should be set as - * pending but not yet performed. - */ -goog.graphics.ext.Element.prototype.setWidth = function(width, opt_chain) { - this.setSize_(this.xPosition_, width, opt_chain); -}; - - -/** - * @return {number} The minimum width of the element, in units of the parent's - * coordinate system. - */ -goog.graphics.ext.Element.prototype.getMinWidth = function() { - return this.xPosition_.getMinSize(); -}; - - -/** - * Sets the minimum width of the element. - * @param {string|number} minWidth The minimum width of the element. - */ -goog.graphics.ext.Element.prototype.setMinWidth = function(minWidth) { - this.setMinSize_(this.xPosition_, minWidth); -}; - - -/** - * @return {number} The height of the element, in units of the parent's - * coordinate system. - */ -goog.graphics.ext.Element.prototype.getHeight = function() { - return this.yPosition_.getSize(); -}; - - -/** - * Sets the height of the element. - * @param {string|number} height The new height value. - * @param {boolean=} opt_chain Optional flag to specify this function is part - * of a chain of calls and therefore transformations should be set as - * pending but not yet performed. - */ -goog.graphics.ext.Element.prototype.setHeight = function(height, opt_chain) { - this.setSize_(this.yPosition_, height, opt_chain); -}; - - -/** - * @return {number} The minimum height of the element, in units of the parent's - * coordinate system. - */ -goog.graphics.ext.Element.prototype.getMinHeight = function() { - return this.yPosition_.getMinSize(); -}; - - -/** - * Sets the minimum height of the element. - * @param {string|number} minHeight The minimum height of the element. - */ -goog.graphics.ext.Element.prototype.setMinHeight = function(minHeight) { - this.setMinSize_(this.yPosition_, minHeight); -}; - - -// BOUNDS SHORTCUTS - - -/** - * Shortcut for setting the left and top position. - * @param {string|number} left The left coordinate. - * @param {string|number} top The top coordinate. - * @param {boolean=} opt_chain Optional flag to specify this function is part - * of a chain of calls and therefore transformations should be set as - * pending but not yet performed. - */ -goog.graphics.ext.Element.prototype.setPosition = function(left, top, - opt_chain) { - this.setLeft(left, true); - this.setTop(top, opt_chain); -}; - - -/** - * Shortcut for setting the width and height. - * @param {string|number} width The new width value. - * @param {string|number} height The new height value. - * @param {boolean=} opt_chain Optional flag to specify this function is part - * of a chain of calls and therefore transformations should be set as - * pending but not yet performed. - */ -goog.graphics.ext.Element.prototype.setSize = function(width, height, - opt_chain) { - this.setWidth(width, true); - this.setHeight(height, opt_chain); -}; - - -/** - * Shortcut for setting the left, top, width, and height. - * @param {string|number} left The left coordinate. - * @param {string|number} top The top coordinate. - * @param {string|number} width The new width value. - * @param {string|number} height The new height value. - * @param {boolean=} opt_chain Optional flag to specify this function is part - * of a chain of calls and therefore transformations should be set as - * pending but not yet performed. - */ -goog.graphics.ext.Element.prototype.setBounds = function(left, top, width, - height, opt_chain) { - this.setLeft(left, true); - this.setTop(top, true); - this.setWidth(width, true); - this.setHeight(height, opt_chain); -}; - - -// MAXIMUM BOUNDS - - -/** - * @return {number} An estimate of the maximum x extent this element would have - * in a parent of no width. - */ -goog.graphics.ext.Element.prototype.getMaxX = function() { - return this.xPosition_.getMaxPosition(); -}; - - -/** - * @return {number} An estimate of the maximum y extent this element would have - * in a parent of no height. - */ -goog.graphics.ext.Element.prototype.getMaxY = function() { - return this.yPosition_.getMaxPosition(); -}; - - -// RESET - - -/** - * Reset the element. This is called when the element changes size, or when - * the coordinate system changes in a way that would affect pixel based - * rendering - */ -goog.graphics.ext.Element.prototype.reset = function() { - this.xPosition_.resetCache(); - this.yPosition_.resetCache(); - - this.redraw(); - - this.needsTransform_ = true; - this.transform(); -}; - - -/** - * Overridable function for subclass specific reset. - * @protected - */ -goog.graphics.ext.Element.prototype.redraw = goog.nullFunction; - - -// PARENT DEPENDENCY - - -/** - * Computes whether the element is still parent dependent. - * @param {goog.graphics.ext.Element.Position_} position The recently changed - * position object. - * @private - */ -goog.graphics.ext.Element.prototype.computeIsParentDependent_ = function( - position) { - this.parentDependent_ = position.isParentDependent() || - this.xPosition_.isParentDependent() || - this.yPosition_.isParentDependent() || - this.checkParentDependent(); -}; - - -/** - * Returns whether this element's bounds depend on its parents. - * - * This function should be treated as if it has package scope. - * @return {boolean} Whether this element's bounds depend on its parents. - */ -goog.graphics.ext.Element.prototype.isParentDependent = function() { - return this.parentDependent_; -}; - - -/** - * Overridable function for subclass specific parent dependency. - * @return {boolean} Whether this shape's bounds depends on its parent's. - * @protected - */ -goog.graphics.ext.Element.prototype.checkParentDependent = - goog.functions.FALSE; - - -// ROTATION - - -/** - * Set the rotation of this element. - * @param {number} angle The angle of rotation, in degrees. - */ -goog.graphics.ext.Element.prototype.setRotation = function(angle) { - if (this.rotation_ != angle) { - this.rotation_ = angle; - - this.needsTransform_ = true; - this.transform(); - } -}; - - -/** - * @return {number} The angle of rotation of this element, in degrees. - */ -goog.graphics.ext.Element.prototype.getRotation = function() { - return this.rotation_; -}; - - -// TRANSFORMS - - -/** - * Called by the parent when the parent has transformed. - * - * Should be treated as package scope. - */ -goog.graphics.ext.Element.prototype.parentTransform = function() { - this.needsTransform_ = this.needsTransform_ || this.parentDependent_; -}; - - -/** - * @return {boolean} Whether this element has pending transforms. - */ -goog.graphics.ext.Element.prototype.isPendingTransform = function() { - return this.needsTransform_; -}; - - -/** - * Performs a pending transform. - * @protected - */ -goog.graphics.ext.Element.prototype.transform = function() { - if (this.isPendingTransform()) { - this.needsTransform_ = false; - - this.wrapper_.setTransformation( - this.getLeft(), - this.getTop(), - this.rotation_, - (this.getWidth() || 1) / 2, - (this.getHeight() || 1) / 2); - - // TODO(robbyw): this._fireEvent('transform', [ this ]); - } -}; - - -// PIXEL SCALE - - -/** - * @return {number} Returns the number of pixels per unit in the x direction. - */ -goog.graphics.ext.Element.prototype.getPixelScaleX = function() { - return this.getGraphics().getPixelScaleX(); -}; - - -/** - * @return {number} Returns the number of pixels per unit in the y direction. - */ -goog.graphics.ext.Element.prototype.getPixelScaleY = function() { - return this.getGraphics().getPixelScaleY(); -}; - - -// EVENT HANDLING - - -/** @override */ -goog.graphics.ext.Element.prototype.disposeInternal = function() { - goog.graphics.ext.Element.superClass_.disposeInternal.call(); - this.wrapper_.dispose(); -}; - - -// INTERNAL POSITION OBJECT - - -/** - * Position specification types. Start corresponds to left/top, middle to - * center/middle, and end to right/bottom. - * @enum {number} - * @private - */ -goog.graphics.ext.Element.PositionType_ = { - START: 0, - MIDDLE: 1, - END: 2 -}; - - - -/** - * Manages a position and size, either horizontal or vertical. - * @param {goog.graphics.ext.Element} element The element the position applies - * to. - * @param {boolean} horizontal Whether the position is horizontal or vertical. - * @constructor - * @private - */ -goog.graphics.ext.Element.Position_ = function(element, horizontal) { - this.element_ = element; - this.horizontal_ = horizontal; -}; - - -/** - * @return {Object} The coordinate value computation cache. - * @private - */ -goog.graphics.ext.Element.Position_.prototype.getCoordinateCache_ = function() { - return this.coordinateCache_ || (this.coordinateCache_ = {}); -}; - - -/** - * @return {number} The size of the parent's coordinate space. - * @private - */ -goog.graphics.ext.Element.Position_.prototype.getParentSize_ = function() { - var parent = this.element_.getParent(); - return this.horizontal_ ? - parent.getCoordinateWidth() : - parent.getCoordinateHeight(); -}; - - -/** - * @return {number} The minimum width/height of the element. - */ -goog.graphics.ext.Element.Position_.prototype.getMinSize = function() { - return this.getValue_(this.minSize_); -}; - - -/** - * Sets the minimum width/height of the element. - * @param {string|number} minSize The minimum width/height of the element. - */ -goog.graphics.ext.Element.Position_.prototype.setMinSize = function(minSize) { - this.minSize_ = minSize; - this.resetCache(); -}; - - -/** - * @return {number} The width/height of the element. - */ -goog.graphics.ext.Element.Position_.prototype.getSize = function() { - return Math.max(this.getValue_(this.size_), this.getMinSize()); -}; - - -/** - * Sets the width/height of the element. - * @param {string|number} size The width/height of the element. - * @return {boolean} Whether the value was changed. - */ -goog.graphics.ext.Element.Position_.prototype.setSize = function(size) { - if (size != this.size_) { - this.size_ = size; - this.resetCache(); - return true; - } - return false; -}; - - -/** - * Converts the given x coordinate to a number value in units. - * @param {string|number} v The coordinate to retrieve the value for. - * @param {boolean=} opt_forMaximum Whether we are computing the largest value - * this coordinate would be in a parent of no size. - * @return {number} The correct number of coordinate space units. - * @private - */ -goog.graphics.ext.Element.Position_.prototype.getValue_ = function(v, - opt_forMaximum) { - if (!goog.graphics.ext.coordinates.isSpecial(v)) { - return parseFloat(String(v)); - } - - var cache = this.getCoordinateCache_(); - var scale = this.horizontal_ ? - this.element_.getPixelScaleX() : - this.element_.getPixelScaleY(); - - var containerSize; - if (opt_forMaximum) { - containerSize = goog.graphics.ext.coordinates.computeValue( - this.size_ || 0, 0, scale); - } else { - var parent = this.element_.getParent(); - containerSize = this.horizontal_ ? parent.getWidth() : parent.getHeight(); - } - - return goog.graphics.ext.coordinates.getValue(v, opt_forMaximum, - containerSize, scale, cache); -}; - - -/** - * @return {number} The distance from the left/top edge of this element to the - * left/top edge of its parent, specified in units of the parent's - * coordinate system. - */ -goog.graphics.ext.Element.Position_.prototype.getStart = function() { - if (this.cachedValue_ == null) { - var value = this.getValue_(this.distance_); - if (this.distanceType_ == goog.graphics.ext.Element.PositionType_.START) { - this.cachedValue_ = value; - } else if (this.distanceType_ == - goog.graphics.ext.Element.PositionType_.MIDDLE) { - this.cachedValue_ = value + (this.getParentSize_() - this.getSize()) / 2; - } else { - this.cachedValue_ = this.getParentSize_() - value - this.getSize(); - } - } - - return this.cachedValue_; -}; - - -/** - * @return {number} The middle coordinate of the element, in units of the - * parent's coordinate system. - */ -goog.graphics.ext.Element.Position_.prototype.getMiddle = function() { - return this.distanceType_ == goog.graphics.ext.Element.PositionType_.MIDDLE ? - this.getValue_(this.distance_) : - (this.getParentSize_() - this.getSize()) / 2 - this.getStart(); -}; - - -/** - * @return {number} The end coordinate of the element, in units of the - * parent's coordinate system. - */ -goog.graphics.ext.Element.Position_.prototype.getEnd = function() { - return this.distanceType_ == goog.graphics.ext.Element.PositionType_.END ? - this.getValue_(this.distance_) : - this.getParentSize_() - this.getStart() - this.getSize(); -}; - - -/** - * Sets the position, either as a left/top, center/middle, or right/bottom - * value. - * @param {number|string} value The value of the coordinate. - * @param {goog.graphics.ext.Element.PositionType_} type The type of the - * coordinate. - */ -goog.graphics.ext.Element.Position_.prototype.setPosition = function(value, - type) { - this.distance_ = value; - this.distanceType_ = type; - - // Clear cached value. - this.cachedValue_ = null; -}; - - -/** - * @return {number} An estimate of the maximum x/y extent this element would - * have in a parent of no width/height. - */ -goog.graphics.ext.Element.Position_.prototype.getMaxPosition = function() { - // TODO(robbyw): Handle transformed or rotated coordinates - // TODO(robbyw): Handle pixel based sizes? - - return this.getValue_(this.distance_ || 0) + ( - goog.graphics.ext.coordinates.isSpecial(this.size_) ? 0 : this.getSize()); -}; - - -/** - * Resets the caches of position values and coordinate values. - */ -goog.graphics.ext.Element.Position_.prototype.resetCache = function() { - this.coordinateCache_ = null; - this.cachedValue_ = null; -}; - - -/** - * @return {boolean} Whether the size or position of this element depends on - * the size of the parent element. - */ -goog.graphics.ext.Element.Position_.prototype.isParentDependent = function() { - return this.distanceType_ != goog.graphics.ext.Element.PositionType_.START || - goog.graphics.ext.coordinates.isSpecial(this.size_) || - goog.graphics.ext.coordinates.isSpecial(this.minSize_) || - goog.graphics.ext.coordinates.isSpecial(this.distance_); -}; - - -/** - * The lazy loaded distance from the parent's top/left edge to this element's - * top/left edge expressed in the parent's coordinate system. We cache this - * because it is most freqeuently requested by the element and it is easy to - * compute middle and end values from it. - * @type {?number} - * @private - */ -goog.graphics.ext.Element.Position_.prototype.cachedValue_ = null; - - -/** - * A cache of computed x coordinates. - * @type {Object} - * @private - */ -goog.graphics.ext.Element.Position_.prototype.coordinateCache_ = null; - - -/** - * The minimum width/height of this element, as specified by the caller. - * @type {string|number} - * @private - */ -goog.graphics.ext.Element.Position_.prototype.minSize_ = 0; - - -/** - * The width/height of this object, as specified by the caller. - * @type {string|number} - * @private - */ -goog.graphics.ext.Element.Position_.prototype.size_ = 0; - - -/** - * The coordinate of this object, as specified by the caller. The type of - * coordinate is specified by distanceType_. - * @type {string|number} - * @private - */ -goog.graphics.ext.Element.Position_.prototype.distance_ = 0; - - -/** - * The coordinate type specified by distance_. - * @type {goog.graphics.ext.Element.PositionType_} - * @private - */ -goog.graphics.ext.Element.Position_.prototype.distanceType_ = - goog.graphics.ext.Element.PositionType_.START; - |