Current File : /home/riacommer/public_html/admin/vendor/wysihtml5/src/views/synchronizer.js
/**
* Class that takes care that the value of the composer and the textarea is always in sync
*/
(function(wysihtml5) {
var INTERVAL = 400;
wysihtml5.views.Synchronizer = Base.extend(
/** @scope wysihtml5.views.Synchronizer.prototype */ {
constructor: function(editor, textarea, composer) {
this.editor = editor;
this.textarea = textarea;
this.composer = composer;
this._observe();
},
/**
* Sync html from composer to textarea
* Takes care of placeholders
* @param {Boolean} shouldParseHtml Whether the html should be sanitized before inserting it into the textarea
*/
fromComposerToTextarea: function(shouldParseHtml) {
this.textarea.setValue(wysihtml5.lang.string(this.composer.getValue()).trim(), shouldParseHtml);
},
/**
* Sync value of textarea to composer
* Takes care of placeholders
* @param {Boolean} shouldParseHtml Whether the html should be sanitized before inserting it into the composer
*/
fromTextareaToComposer: function(shouldParseHtml) {
var textareaValue = this.textarea.getValue();
if (textareaValue) {
this.composer.setValue(textareaValue, shouldParseHtml);
} else {
this.composer.clear();
this.editor.fire("set_placeholder");
}
},
/**
* Invoke syncing based on view state
* @param {Boolean} shouldParseHtml Whether the html should be sanitized before inserting it into the composer/textarea
*/
sync: function(shouldParseHtml) {
if (this.editor.currentView.name === "textarea") {
this.fromTextareaToComposer(shouldParseHtml);
} else {
this.fromComposerToTextarea(shouldParseHtml);
}
},
/**
* Initializes interval-based syncing
* also makes sure that on-submit the composer's content is synced with the textarea
* immediately when the form gets submitted
*/
_observe: function() {
var interval,
that = this,
form = this.textarea.element.form,
startInterval = function() {
interval = setInterval(function() { that.fromComposerToTextarea(); }, INTERVAL);
},
stopInterval = function() {
clearInterval(interval);
interval = null;
};
startInterval();
if (form) {
// If the textarea is in a form make sure that after onreset and onsubmit the composer
// has the correct state
wysihtml5.dom.observe(form, "submit", function() {
that.sync(true);
});
wysihtml5.dom.observe(form, "reset", function() {
setTimeout(function() { that.fromTextareaToComposer(); }, 0);
});
}
this.editor.observe("change_view", function(view) {
if (view === "composer" && !interval) {
that.fromTextareaToComposer(true);
startInterval();
} else if (view === "textarea") {
that.fromComposerToTextarea(true);
stopInterval();
}
});
this.editor.observe("destroy:composer", stopInterval);
}
});
})(wysihtml5);
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