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/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
</copyright> */
/**
@module "montage/ui/rich-text-editor/overlays/rich-text-resizer.reel"
@requires montage/core/core
@requires montage/ui/component
*/
var Montage = require("montage").Montage,
Component = require("ui/component").Component;
/**
@class module:"montage/ui/rich-text-editor/overlays/rich-text-linkpopup.reel".RichTextLinkPopup
@extends module:montage/ui/component.Component
*/
exports.RichTextLinkPopup = Montage.create(Component,/** @lends module:"montage/ui/rich-text-editor/overlays/rich-text-linkpopup.reel".RichTextLinkPopup# */ {
/**
Description TODO
@private
*/
_isActive: {
enumerable: false,
value: false
},
/**
Description TODO
@private
*/
_editor: {
enumerable: false,
value: null
},
/**
Description TODO
@private
*/
target: {
enumerable: false,
value: null
},
/**
Description TODO
@private
*/
_needsReset: {
enumerable: false,
value: false
},
/**
Description TODO
@type {Function}
*/
initWithEditor: {
value: function(editor) {
this._editor = editor;
}
},
/**
Description TODO
@type {Function}
*/
editorMouseUp: {
value: function(event) {
var element;
if (this._editor.activeOverlay != this) {
// Check if the caret is inside an image within an anchor element
if (event.target.nodeName == "IMG") {
element = event.target;
while (element && element != this._element) {
if (element.nodeName == "A") {
if (element != this.target) {
this.target = element;
this._needsReset = true;
if (this._isActive) {
this.needsDraw = true;
} else {
this._editor.showOverlay(this);
}
}
return true;
}
element = element.parentElement;
}
}
}
}
},
/**
Description TODO
@type {Function}
*/
editorTouchEnd: {
value: function(event) {
this.editorMouseUp(event);
}
},
/**
Description TODO
@type {Function}
*/
editorSelectionDidChange: {
value: function(range) {
var element;
// Check if the caret is inside an anchor element
if (range && range.collapsed) {
element = range.commonAncestorContainer;
while (element && element != this._element) {
if (element.nodeName == "A") {
if (element != this.target) {
this.target = element;
this._needsReset = true;
if (this._isActive) {
this.needsDraw = true;
} else {
this._editor.showOverlay(this);
}
}
return true;
}
element = element.parentElement;
}
}
if (this._editor.activeOverlay == this) {
this._editor.hideOverlay();
}
this.target = null;
return false;
}
},
/**
Description TODO
@function
*/
didBecomeActive: {
value: function() {
this._isActive = true;
window.addEventListener("resize", this, false);
}
},
/**
Description TODO
@function
*/
didBecomeInactive: {
value: function() {
this._isActive = false;
window.removeEventListener("resize", this, false);
//Reset the resizer internal
this.target = null;
this._needsReset = false;
}
},
/**
Description TODO
@function
*/
prepareForDraw: {
enumerable: false,
value: function() {
this._popupExtraWidth = this.element.offsetWidth;
}
},
/**
Description TODO
@function
*/
draw: {
enumerable: false,
value: function() {
var element = this.element,
target = this.target,
editorElement = this._editor.innerElement;
if (this._needsReset) {
var offsetLeft,
offsetTop,
oh = editorElement.offsetHeight,
ow = editorElement.offsetWidth,
st = editorElement.scrollTop,
sl = editorElement.scrollLeft,
w = target.offsetWidth,
h = target.offsetHeight,
l, t,
left, leftWidth, right, rightWidth,
style = "";
var _findOffset = function(node) {
offsetTop = node.offsetTop;
offsetLeft = node.offsetLeft;
while ((node = node.offsetParent) && node != editorElement) {
offsetTop += node.offsetTop;
offsetLeft += node.offsetLeft;
}
};
_findOffset(target);
l = offsetLeft;
t = offsetTop;
// Should we display the popup on top or below the element?
if (t > 60 && t - st + h + 50 > oh) {
style = "bottom: " + (oh - t + 5) + "px;";
} else {
style = "top: " + (t + h + 5 ) + "px;";
}
// Should we display the popup aligned on the left or right of the element?
left = sl;
right = sl + ow;
leftWidth = right - l;
rightWidth = l + w - left;
if (leftWidth > rightWidth) {
//Let's align the popup to the left of the element or to the far left
if (leftWidth < 150) {
style += " left: " + (left + 5) + "px;";
style += " max-width: " + (ow - 10 - this._popupExtraWidth) + "px;";
} else {
style += " left: " + (left + l) + "px;";
style += " max-width: " + (leftWidth - 5 - this._popupExtraWidth) + "px;";
}
} else {
if (rightWidth < 150) {
style += " right: " + (left + 5) + "px;";
style += " max-width: " + (ow - 10 - this._popupExtraWidth) + "px;";
} else {
style += " right: " + (right - (left + l + w + 1)) + "px;";
style += " max-width: " + (rightWidth - this._popupExtraWidth) + "px;";
}
}
// Position and size the popup
element.setAttribute("style", style);
// Setup the anchor
this.link.href = target.href;
this.link.textContent = target.href;
this._needsReset = false;
}
}
},
/**
Description TODO
@function
*/
handleResize: {
enumerable: false,
value: function() {
this._needsReset = true;
this.needsDraw = true;
}
}
});
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