/**
 * editor_plugin_src.js
 *
 * Copyright 2009, Moxiecode Systems AB
 * Released under LGPL License.
 *
 * License: http://tinymce.moxiecode.com/license
 * Contributing: http://tinymce.moxiecode.com/contributing
 */

(function () {
    var Event = tinymce.dom.Event;

    tinymce.create('tinymce.plugins.NonEditablePlugin', {
        init: function (ed, url) {
            var t = this, editClass, nonEditClass, state;

            t.editor = ed;
            editClass = ed.getParam("noneditable_editable_class", "mceEditable");
            nonEditClass = ed.getParam("noneditable_noneditable_class", "mceNonEditable");

            ed.onNodeChange.addToTop(function (ed, cm, n) {
                var sc, ec;

                // Block if start or end is inside a non editable element
                sc = ed.dom.getParent(ed.selection.getStart(), function (n) {
                    return ed.dom.hasClass(n, nonEditClass);
                });

                ec = ed.dom.getParent(ed.selection.getEnd(), function (n) {
                    return ed.dom.hasClass(n, nonEditClass);
                });

                // Block or unblock
                if (sc || ec) {
                    state = 1;
                    t._setDisabled(1);
                    return false;
                } else if (state == 1) {
                    t._setDisabled(0);
                    state = 0;
                }
            });
        },

        getInfo: function () {
            return {
                longname: 'Non editable elements',
                author: 'Moxiecode Systems AB',
                authorurl: 'http://tinymce.moxiecode.com',
                infourl: 'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/noneditable',
                version: tinymce.majorVersion + "." + tinymce.minorVersion
            };
        },

        _block: function (ed, e) {
            var k = e.keyCode;

            // Don't block arrow keys, pg up/down, and F1-F12
            if ((k > 32 && k < 41) || (k > 111 && k < 124))
                return;

            return Event.cancel(e);
        },

        _setDisabled: function (s) {
            var t = this, ed = t.editor;

            tinymce.each(ed.controlManager.controls, function (c) {
                c.setDisabled(s);
            });

            if (s !== t.disabled) {
                if (s) {
                    ed.onKeyDown.addToTop(t._block);
                    ed.onKeyPress.addToTop(t._block);
                    ed.onKeyUp.addToTop(t._block);
                    ed.onPaste.addToTop(t._block);
                    ed.onContextMenu.addToTop(t._block);
                } else {
                    ed.onKeyDown.remove(t._block);
                    ed.onKeyPress.remove(t._block);
                    ed.onKeyUp.remove(t._block);
                    ed.onPaste.remove(t._block);
                    ed.onContextMenu.remove(t._block);
                }

                t.disabled = s;
            }
        }
    });

    // Register plugin
    tinymce.PluginManager.add('noneditable', tinymce.plugins.NonEditablePlugin);
})();