tt-rss/lib/dijit/_editor/plugins/LinkDialog.js.uncompressed.js
2013-03-18 10:26:26 +04:00

609 lines
22 KiB
JavaScript

define("dijit/_editor/plugins/LinkDialog", [
"require",
"dojo/_base/declare", // declare
"dojo/dom-attr", // domAttr.get
"dojo/keys", // keys.ENTER
"dojo/_base/lang", // lang.delegate lang.hitch lang.trim
"dojo/sniff", // has("ie")
"dojo/_base/query", // query
"dojo/string", // string.substitute
"../../_Widget",
"../_Plugin",
"../../form/DropDownButton",
"../range"
], function(require, declare, domAttr, keys, lang, has, query, string,
_Widget, _Plugin, DropDownButton, rangeapi){
// module:
// dijit/_editor/plugins/LinkDialog
// summary:
// Editor plugins: LinkDialog (for inserting links) and ImgLinkDialog (for inserting images)
var LinkDialog = declare("dijit._editor.plugins.LinkDialog", _Plugin, {
// summary:
// This plugin provides the basis for an 'anchor' (link) dialog and an extension of it
// provides the image link dialog.
// description:
// The command provided by this plugin is:
//
// - createLink
// Override _Plugin.buttonClass. This plugin is controlled by a DropDownButton
// (which triggers a TooltipDialog).
buttonClass: DropDownButton,
// Override _Plugin.useDefaultCommand... processing is handled by this plugin, not by dijit/Editor.
useDefaultCommand: false,
// urlRegExp: [protected] String
// Used for validating input as correct URL. While file:// urls are not terribly
// useful, they are technically valid.
urlRegExp: "((https?|ftps?|file)\\://|\./|\.\./|/|)(/[a-zA-Z]{1,1}:/|)(((?:(?:[\\da-zA-Z](?:[-\\da-zA-Z]{0,61}[\\da-zA-Z])?)\\.)*(?:[a-zA-Z](?:[-\\da-zA-Z]{0,80}[\\da-zA-Z])?)\\.?)|(((\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])\\.){3}(\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])|(0[xX]0*[\\da-fA-F]?[\\da-fA-F]\\.){3}0[xX]0*[\\da-fA-F]?[\\da-fA-F]|(0+[0-3][0-7][0-7]\\.){3}0+[0-3][0-7][0-7]|(0|[1-9]\\d{0,8}|[1-3]\\d{9}|4[01]\\d{8}|42[0-8]\\d{7}|429[0-3]\\d{6}|4294[0-8]\\d{5}|42949[0-5]\\d{4}|429496[0-6]\\d{3}|4294967[01]\\d{2}|42949672[0-8]\\d|429496729[0-5])|0[xX]0*[\\da-fA-F]{1,8}|([\\da-fA-F]{1,4}\\:){7}[\\da-fA-F]{1,4}|([\\da-fA-F]{1,4}\\:){6}((\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])\\.){3}(\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])))(\\:\\d+)?(/(?:[^?#\\s/]+/)*(?:[^?#\\s/]{0,}(?:\\?[^?#\\s/]*)?(?:#.*)?)?)?",
// emailRegExp: [protected] String
// Used for validating input as correct email address. Taken from dojox.validate
emailRegExp: "<?(mailto\\:)([!#-'*+\\-\\/-9=?A-Z^-~]+[.])*[!#-'*+\\-\\/-9=?A-Z^-~]+" /*username*/ + "@" +
"((?:(?:[\\da-zA-Z](?:[-\\da-zA-Z]{0,61}[\\da-zA-Z])?)\\.)+(?:[a-zA-Z](?:[-\\da-zA-Z]{0,6}[\\da-zA-Z])?)\\.?)|localhost|^[^-][a-zA-Z0-9_-]*>?", // host.
// htmlTemplate: [protected] String
// String used for templating the HTML to insert at the desired point.
htmlTemplate: "<a href=\"${urlInput}\" _djrealurl=\"${urlInput}\"" +
" target=\"${targetSelect}\"" +
">${textInput}</a>",
// tag: [protected] String
// Tag used for the link type.
tag: "a",
// _hostRxp [private] RegExp
// Regular expression used to validate url fragments (ip address, hostname, etc)
_hostRxp: /^((([^\[:]+):)?([^@]+)@)?(\[([^\]]+)\]|([^\[:]*))(:([0-9]+))?$/,
// _userAtRxp [private] RegExp
// Regular expression used to validate e-mail address fragment.
_userAtRxp: /^([!#-'*+\-\/-9=?A-Z^-~]+[.])*[!#-'*+\-\/-9=?A-Z^-~]+@/i,
// linkDialogTemplate: [protected] String
// Template for contents of TooltipDialog to pick URL
linkDialogTemplate: [
"<table role='presentation'><tr><td>",
"<label for='${id}_urlInput'>${url}</label>",
"</td><td>",
"<input data-dojo-type='dijit.form.ValidationTextBox' required='true' " +
"id='${id}_urlInput' name='urlInput' data-dojo-props='intermediateChanges:true'/>",
"</td></tr><tr><td>",
"<label for='${id}_textInput'>${text}</label>",
"</td><td>",
"<input data-dojo-type='dijit.form.ValidationTextBox' required='true' id='${id}_textInput' " +
"name='textInput' data-dojo-props='intermediateChanges:true'/>",
"</td></tr><tr><td>",
"<label for='${id}_targetSelect'>${target}</label>",
"</td><td>",
"<select id='${id}_targetSelect' name='targetSelect' data-dojo-type='dijit.form.Select'>",
"<option selected='selected' value='_self'>${currentWindow}</option>",
"<option value='_blank'>${newWindow}</option>",
"<option value='_top'>${topWindow}</option>",
"<option value='_parent'>${parentWindow}</option>",
"</select>",
"</td></tr><tr><td colspan='2'>",
"<button data-dojo-type='dijit.form.Button' type='submit' id='${id}_setButton'>${set}</button>",
"<button data-dojo-type='dijit.form.Button' type='button' id='${id}_cancelButton'>${buttonCancel}</button>",
"</td></tr></table>"
].join(""),
_initButton: function(){
this.inherited(arguments);
// Setup to lazy create TooltipDialog first time the button is clicked
this.button.loadDropDown = lang.hitch(this, "_loadDropDown");
this._connectTagEvents();
},
_loadDropDown: function(callback){
// Called the first time the button is pressed. Initialize TooltipDialog.
require([
"dojo/i18n", // i18n.getLocalization
"../../TooltipDialog",
"../../registry", // registry.byId, registry.getUniqueId
"../../form/Button", // used by template
"../../form/Select", // used by template
"../../form/ValidationTextBox", // used by template
"dojo/i18n!../../nls/common",
"dojo/i18n!../nls/LinkDialog"
], lang.hitch(this, function(i18n, TooltipDialog, registry){
var _this = this;
this.tag = this.command == 'insertImage' ? 'img' : 'a';
var messages = lang.delegate(i18n.getLocalization("dijit", "common", this.lang),
i18n.getLocalization("dijit._editor", "LinkDialog", this.lang));
var dropDown = (this.dropDown = this.button.dropDown = new TooltipDialog({
title: messages[this.command + "Title"],
ownerDocument: this.editor.ownerDocument,
dir: this.editor.dir,
execute: lang.hitch(this, "setValue"),
onOpen: function(){
_this._onOpenDialog();
TooltipDialog.prototype.onOpen.apply(this, arguments);
},
onCancel: function(){
setTimeout(lang.hitch(_this, "_onCloseDialog"),0);
}
}));
messages.urlRegExp = this.urlRegExp;
messages.id = registry.getUniqueId(this.editor.id);
this._uniqueId = messages.id;
this._setContent(dropDown.title +
"<div style='border-bottom: 1px black solid;padding-bottom:2pt;margin-bottom:4pt'></div>" +
string.substitute(this.linkDialogTemplate, messages));
dropDown.startup();
this._urlInput = registry.byId(this._uniqueId + "_urlInput");
this._textInput = registry.byId(this._uniqueId + "_textInput");
this._setButton = registry.byId(this._uniqueId + "_setButton");
this.connect(registry.byId(this._uniqueId + "_cancelButton"), "onClick", function(){
this.dropDown.onCancel();
});
if(this._urlInput){
this.connect(this._urlInput, "onChange", "_checkAndFixInput");
}
if(this._textInput){
this.connect(this._textInput, "onChange", "_checkAndFixInput");
}
// Build up the dual check for http/https/file:, and mailto formats.
this._urlRegExp = new RegExp("^" + this.urlRegExp + "$", "i");
this._emailRegExp = new RegExp("^" + this.emailRegExp + "$", "i");
this._urlInput.isValid = lang.hitch(this, function(){
// Function over-ride of isValid to test if the input matches a url or a mailto style link.
var value = this._urlInput.get("value");
return this._urlRegExp.test(value) || this._emailRegExp.test(value);
});
// Listen for enter and execute if valid.
this.connect(dropDown.domNode, "onkeypress", function(e){
if(e && e.charOrCode == keys.ENTER &&
!e.shiftKey && !e.metaKey && !e.ctrlKey && !e.altKey){
if(!this._setButton.get("disabled")){
dropDown.onExecute();
dropDown.execute(dropDown.get('value'));
}
}
});
callback();
}));
},
_checkAndFixInput: function(){
// summary:
// A function to listen for onChange events and test the input contents
// for valid information, such as valid urls with http/https/ftp and if
// not present, try and guess if the input url is relative or not, and if
// not, append http:// to it. Also validates other fields as determined by
// the internal _isValid function.
var self = this;
var url = this._urlInput.get("value");
var fixupUrl = function(url){
var appendHttp = false;
var appendMailto = false;
if(url && url.length > 1){
url = lang.trim(url);
if(url.indexOf("mailto:") !== 0){
if(url.indexOf("/") > 0){
if(url.indexOf("://") === -1){
// Check that it doesn't start with /, ./, or ../, which would
// imply 'target server relativeness'
if(url.charAt(0) !== '/' && url.indexOf("./") && url.indexOf("../") !== 0){
if(self._hostRxp.test(url)){
appendHttp = true;
}
}
}
}else if(self._userAtRxp.test(url)){
// If it looks like a foo@, append a mailto.
appendMailto = true;
}
}
}
if(appendHttp){
self._urlInput.set("value", "http://" + url);
}
if(appendMailto){
self._urlInput.set("value", "mailto:" + url);
}
self._setButton.set("disabled", !self._isValid());
};
if(this._delayedCheck){
clearTimeout(this._delayedCheck);
this._delayedCheck = null;
}
this._delayedCheck = setTimeout(function(){
fixupUrl(url);
}, 250);
},
_connectTagEvents: function(){
// summary:
// Over-ridable function that connects tag specific events.
this.editor.onLoadDeferred.then(lang.hitch(this, function(){
this.connect(this.editor.editNode, "ondblclick", this._onDblClick);
}));
},
_isValid: function(){
// summary:
// Internal function to allow validating of the inputs
// for a link to determine if set should be disabled or not
// tags:
// protected
return this._urlInput.isValid() && this._textInput.isValid();
},
_setContent: function(staticPanel){
// summary:
// Helper for _initButton above. Not sure why it's a separate method.
this.dropDown.set({
parserScope: "dojo", // make parser search for dojoType/data-dojo-type even if page is multi-version
content: staticPanel
});
},
_checkValues: function(args){
// summary:
// Function to check the values in args and 'fix' them up as needed.
// args: Object
// Content being set.
// tags:
// protected
if(args && args.urlInput){
args.urlInput = args.urlInput.replace(/"/g, "&quot;");
}
return args;
},
setValue: function(args){
// summary:
// Callback from the dialog when user presses "set" button.
// tags:
// private
// TODO: prevent closing popup if the text is empty
this._onCloseDialog();
if(has("ie") < 9){ //see #4151
var sel = rangeapi.getSelection(this.editor.window);
var range = sel.getRangeAt(0);
var a = range.endContainer;
if(a.nodeType === 3){
// Text node, may be the link contents, so check parent.
// This plugin doesn't really support nested HTML elements
// in the link, it assumes all link content is text.
a = a.parentNode;
}
if(a && (a.nodeName && a.nodeName.toLowerCase() !== this.tag)){
// Still nothing, one last thing to try on IE, as it might be 'img'
// and thus considered a control.
a = this.editor._sCall("getSelectedElement", [this.tag]);
}
if(a && (a.nodeName && a.nodeName.toLowerCase() === this.tag)){
// Okay, we do have a match. IE, for some reason, sometimes pastes before
// instead of removing the targeted paste-over element, so we unlink the
// old one first. If we do not the <a> tag remains, but it has no content,
// so isn't readily visible (but is wrong for the action).
if(this.editor.queryCommandEnabled("unlink")){
// Select all the link children, then unlink. The following insert will
// then replace the selected text.
this.editor._sCall("selectElementChildren", [a]);
this.editor.execCommand("unlink");
}
}
}
// make sure values are properly escaped, etc.
args = this._checkValues(args);
this.editor.execCommand('inserthtml',
string.substitute(this.htmlTemplate, args));
// IE sometimes leaves a blank link, so we need to fix it up.
// Go ahead and do this for everyone just to avoid blank links
// in the page.
query("a", this.editor.document).forEach(function(a){
if(!a.innerHTML && !domAttr.has(a, "name")){
// Remove empty anchors that do not have "name" set.
// Empty ones with a name set could be a hidden hash
// anchor.
a.parentNode.removeChild(a);
}
}, this);
},
_onCloseDialog: function(){
// summary:
// Handler for close event on the dialog
this.editor.focus();
},
_getCurrentValues: function(a){
// summary:
// Over-ride for getting the values to set in the dropdown.
// a:
// The anchor/link to process for data for the dropdown.
// tags:
// protected
var url, text, target;
if(a && a.tagName.toLowerCase() === this.tag){
url = a.getAttribute('_djrealurl') || a.getAttribute('href');
target = a.getAttribute('target') || "_self";
text = a.textContent || a.innerText;
this.editor._sCall("selectElement", [a, true]);
}else{
text = this.editor._sCall("getSelectedText");
}
return {urlInput: url || '', textInput: text || '', targetSelect: target || ''}; //Object;
},
_onOpenDialog: function(){
// summary:
// Handler for when the dialog is opened.
// If the caret is currently in a URL then populate the URL's info into the dialog.
var a,b,fc;
if(has("ie")){
// IE, even IE10, is difficult to select the element in, using the range unified
// API seems to work reasonably well.
var sel = rangeapi.getSelection(this.editor.window);
if(sel.rangeCount){
var range = sel.getRangeAt(0);
a = range.endContainer;
if(a.nodeType === 3){
// Text node, may be the link contents, so check parent.
// This plugin doesn't really support nested HTML elements
// in the link, it assumes all link content is text.
a = a.parentNode;
}
if(a && (a.nodeName && a.nodeName.toLowerCase() !== this.tag)){
// Still nothing, one last thing to try on IE, as it might be 'img'
// and thus considered a control.
a = this.editor._sCall("getSelectedElement", [this.tag]);
}
if(!a || (a.nodeName && a.nodeName.toLowerCase() !== this.tag)){
// Try another lookup, IE's selection is just terrible.
b = this.editor._sCall("getAncestorElement", [this.tag]);
if(b && (b.nodeName && b.nodeName.toLowerCase() == this.tag)){
// Looks like we found an A tag, use it and make sure just it is
// selected.
a = b;
this.editor._sCall("selectElement", [a]);
}else if (range.startContainer === range.endContainer){
// STILL nothing. Trying one more thing. Lets look at the first child.
// It might be an anchor tag in a div by itself or the like. If it is,
// we'll use it otherwise we give up. The selection is not easily
// determinable to be on an existing anchor tag.
fc = range.startContainer.firstChild;
if(fc && (fc.nodeName && fc.nodeName.toLowerCase() == this.tag)){
a = fc;
this.editor._sCall("selectElement", [a]);
}
}
}
}
}else{
a = this.editor._sCall("getAncestorElement", [this.tag]);
}
this.dropDown.reset();
this._setButton.set("disabled", true);
this.dropDown.set("value", this._getCurrentValues(a));
},
_onDblClick: function(e){
// summary:
// Function to define a behavior on double clicks on the element
// type this dialog edits to select it and pop up the editor
// dialog.
// e: Object
// The double-click event.
// tags:
// protected.
if(e && e.target){
var t = e.target;
var tg = t.tagName ? t.tagName.toLowerCase() : "";
if(tg === this.tag && domAttr.get(t,"href")){
var editor = this.editor;
this.editor._sCall("selectElement", [t]);
editor.onDisplayChanged();
// Call onNormalizedDisplayChange() now, rather than on timer.
// On IE, when focus goes to the first <input> in the TooltipDialog, the editor loses it's selection.
// Later if onNormalizedDisplayChange() gets called via the timer it will disable the LinkDialog button
// (actually, all the toolbar buttons), at which point clicking the <input> will close the dialog,
// since (for unknown reasons) focus.js ignores disabled controls.
if(editor._updateTimer){
editor._updateTimer.remove();
delete editor._updateTimer;
}
editor.onNormalizedDisplayChanged();
var button = this.button;
setTimeout(function(){
// Focus shift outside the event handler.
// IE doesn't like focus changes in event handles.
button.set("disabled", false);
button.loadAndOpenDropDown().then(function(){
if(button.dropDown.focus){
button.dropDown.focus();
}
});
}, 10);
}
}
}
});
var ImgLinkDialog = declare("dijit._editor.plugins.ImgLinkDialog", [LinkDialog], {
// summary:
// This plugin extends LinkDialog and adds in a plugin for handling image links.
// provides the image link dialog.
// description:
// The command provided by this plugin is:
//
// - insertImage
// linkDialogTemplate: [protected] String
// Over-ride for template since img dialog doesn't need target that anchor tags may.
linkDialogTemplate: [
"<table role='presentation'><tr><td>",
"<label for='${id}_urlInput'>${url}</label>",
"</td><td>",
"<input dojoType='dijit.form.ValidationTextBox' regExp='${urlRegExp}' " +
"required='true' id='${id}_urlInput' name='urlInput' data-dojo-props='intermediateChanges:true'/>",
"</td></tr><tr><td>",
"<label for='${id}_textInput'>${text}</label>",
"</td><td>",
"<input data-dojo-type='dijit.form.ValidationTextBox' required='false' id='${id}_textInput' " +
"name='textInput' data-dojo-props='intermediateChanges:true'/>",
"</td></tr><tr><td>",
"</td><td>",
"</td></tr><tr><td colspan='2'>",
"<button data-dojo-type='dijit.form.Button' type='submit' id='${id}_setButton'>${set}</button>",
"<button data-dojo-type='dijit.form.Button' type='button' id='${id}_cancelButton'>${buttonCancel}</button>",
"</td></tr></table>"
].join(""),
// htmlTemplate: [protected] String
// String used for templating the `<img>` HTML to insert at the desired point.
htmlTemplate: "<img src=\"${urlInput}\" _djrealurl=\"${urlInput}\" alt=\"${textInput}\" />",
// tag: [protected] String
// Tag used for the link type (img).
tag: "img",
_getCurrentValues: function(img){
// summary:
// Over-ride for getting the values to set in the dropdown.
// a:
// The anchor/link to process for data for the dropdown.
// tags:
// protected
var url, text;
if(img && img.tagName.toLowerCase() === this.tag){
url = img.getAttribute('_djrealurl') || img.getAttribute('src');
text = img.getAttribute('alt');
this.editor._sCall("selectElement", [img, true]);
}else{
text = this.editor._sCall("getSelectedText", []);
}
return {urlInput: url || '', textInput: text || ''}; //Object
},
_isValid: function(){
// summary:
// Over-ride for images. You can have alt text of blank, it is valid.
// tags:
// protected
return this._urlInput.isValid();
},
_connectTagEvents: function(){
// summary:
// Over-ridable function that connects tag specific events.
this.inherited(arguments);
this.editor.onLoadDeferred.then(lang.hitch(this, function(){
// Use onmousedown instead of onclick. Seems that IE eats the first onclick
// to wrap it in a selector box, then the second one acts as onclick. See #10420
this.connect(this.editor.editNode, "onmousedown", this._selectTag);
}));
},
_selectTag: function(e){
// summary:
// A simple event handler that lets me select an image if it is clicked on.
// makes it easier to select images in a standard way across browsers. Otherwise
// selecting an image for edit becomes difficult.
// e: Event
// The mousedown event.
// tags:
// private
if(e && e.target){
var t = e.target;
var tg = t.tagName? t.tagName.toLowerCase() : "";
if(tg === this.tag){
this.editor._sCall("selectElement", [t]);
}
}
},
_checkValues: function(args){
// summary:
// Function to check the values in args and 'fix' them up as needed
// (special characters in the url or alt text)
// args: Object
// Content being set.
// tags:
// protected
if(args && args.urlInput){
args.urlInput = args.urlInput.replace(/"/g, "&quot;");
}
if(args && args.textInput){
args.textInput = args.textInput.replace(/"/g, "&quot;");
}
return args;
},
_onDblClick: function(e){
// summary:
// Function to define a behavior on double clicks on the element
// type this dialog edits to select it and pop up the editor
// dialog.
// e: Object
// The double-click event.
// tags:
// protected.
if(e && e.target){
var t = e.target;
var tg = t.tagName ? t.tagName.toLowerCase() : "";
if(tg === this.tag && domAttr.get(t,"src")){
var editor = this.editor;
this.editor._sCall("selectElement", [t]);
editor.onDisplayChanged();
// Call onNormalizedDisplayChange() now, rather than on timer.
// On IE, when focus goes to the first <input> in the TooltipDialog, the editor loses it's selection.
// Later if onNormalizedDisplayChange() gets called via the timer it will disable the LinkDialog button
// (actually, all the toolbar buttons), at which point clicking the <input> will close the dialog,
// since (for unknown reasons) focus.js ignores disabled controls.
if(editor._updateTimer){
editor._updateTimer.remove();
delete editor._updateTimer;
}
editor.onNormalizedDisplayChanged();
var button = this.button;
setTimeout(function(){
// Focus shift outside the event handler.
// IE doesn't like focus changes in event handles.
button.set("disabled", false);
button.loadAndOpenDropDown().then(function(){
if(button.dropDown.focus){
button.dropDown.focus();
}
});
}, 10);
}
}
}
});
// Register these plugins
_Plugin.registry["createLink"] = function(){
return new LinkDialog({command: "createLink"});
};
_Plugin.registry["insertImage"] = function(){
return new ImgLinkDialog({command: "insertImage"});
};
// Export both LinkDialog and ImgLinkDialog
// TODO for 2.0: either return both classes in a hash, or split this file into two separate files.
// Then the documentation for the module can be applied to the hash, and will show up in the API doc.
LinkDialog.ImgLinkDialog = ImgLinkDialog;
return LinkDialog;
});