tinymce-editor/copy_this/modules/hdi/hdi-tinymce/tinymce/plugins/autoresize/plugin.js
2013-07-25 23:50:43 +02:00

92 lines
2.9 KiB
JavaScript
Executable File

/**
* plugin.js
*
* Copyright, Moxiecode Systems AB
* Released under LGPL License.
*
* License: http://www.tinymce.com/license
* Contributing: http://www.tinymce.com/contributing
*/
/*global tinymce:true */
/**
* Auto Resize
*
* This plugin automatically resizes the content area to fit its content height.
* It will retain a minimum height, which is the height of the content area when
* it's initialized.
*/
tinymce.PluginManager.add('autoresize', function(editor) {
var settings = editor.settings, oldSize = 0;
if (editor.settings.inline) {
return;
}
/**
* This method gets executed each time the editor needs to resize.
*/
function resize(e) {
var deltaSize, d = editor.getDoc(), body = d.body, de = d.documentElement, DOM = tinymce.DOM;
var resizeHeight = settings.autoresize_min_height, myHeight;
if ((e.type == "setcontent" && e.initial) || (editor.plugins.fullscreen && editor.plugins.fullscreen.isFullscreen())) {
return;
}
// Get height differently depending on the browser used
myHeight = tinymce.Env.ie ? body.scrollHeight : (tinymce.Env.webkit && body.clientHeight === 0 ? 0 : body.offsetHeight);
// Don't make it smaller than the minimum height
if (myHeight > settings.autoresize_min_height) {
resizeHeight = myHeight;
}
// If a maximum height has been defined don't exceed this height
if (settings.autoresize_max_height && myHeight > settings.autoresize_max_height) {
resizeHeight = settings.autoresize_max_height;
body.style.overflowY = "auto";
de.style.overflowY = "auto"; // Old IE
} else {
body.style.overflowY = "hidden";
de.style.overflowY = "hidden"; // Old IE
body.scrollTop = 0;
}
// Resize content element
if (resizeHeight !== oldSize) {
deltaSize = resizeHeight - oldSize;
DOM.setStyle(DOM.get(editor.id + '_ifr'), 'height', resizeHeight + 'px');
oldSize = resizeHeight;
// WebKit doesn't decrease the size of the body element until the iframe gets resized
// So we need to continue to resize the iframe down until the size gets fixed
if (tinymce.isWebKit && deltaSize < 0) {
resize(e);
}
}
}
// Define minimum height
settings.autoresize_min_height = parseInt(editor.getParam('autoresize_min_height', editor.getElement().offsetHeight), 10);
// Define maximum height
settings.autoresize_max_height = parseInt(editor.getParam('autoresize_max_height', 0), 10);
// Add padding at the bottom for better UX
editor.on("init", function() {
editor.dom.setStyle(editor.getBody(), 'paddingBottom', editor.getParam('autoresize_bottom_margin', 50) + 'px');
});
// Add appropriate listeners for resizing content area
editor.on("change setcontent paste keyup", resize);
if (editor.getParam('autoresize_on_init', true)) {
editor.on('load', resize);
}
// Register the command so that it can be invoked by using tinyMCE.activeEditor.execCommand('mceExample');
editor.addCommand('mceAutoResize', resize);
});