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/**
 * $Id: form_utils.js 162 2007-01-03 16:16:52Z spocke $
 *
 * Various form utilitiy functions.
 *
 * @author Moxiecode
 * @copyright Copyright © 2004-2007, Moxiecode Systems AB, All rights reserved.
 */

var themeBaseURL = tinyMCE.baseURL + '/themes/' + tinyMCE.getParam("theme");

function getColorPickerHTML(id, target_form_element) {
        var h = "";

        h += '<a id="' + id + '_link" href="javascript:void(0);" onkeydown="pickColor(event,\'' + target_form_element +'\');" onmousedown="pickColor(event,\'' + target_form_element +'\');return false;">';
        h += '<img id="' + id + '" src="' + themeBaseURL + '/images/color.gif"';
        h += ' onmouseover="this.className=\'mceButtonOver\'"';
        h += ' onmouseout="this.className=\'mceButtonNormal\'"';
        h += ' onmousedown="this.className=\'mceButtonDown\'"';
        h += ' width="20" height="16" border="0" title="' + tinyMCE.getLang('lang_browse') + '"';
        h += ' class="mceButtonNormal" alt="' + tinyMCE.getLang('lang_browse') + '" /></a>';

        return h;
}

function pickColor(e, target_form_element) {
        if ((e.keyCode == 32 || e.keyCode == 13) || e.type == "mousedown")
                tinyMCEPopup.pickColor(e, target_form_element);
}

function updateColor(img_id, form_element_id) {
        document.getElementById(img_id).style.backgroundColor = document.forms[0].elements[form_element_id].value;
}

function setBrowserDisabled(id, state) {
        var img = document.getElementById(id);
        var lnk = document.getElementById(id + "_link");

        if (lnk) {
                if (state) {
                        lnk.setAttribute("realhref", lnk.getAttribute("href"));
                        lnk.removeAttribute("href");
                        tinyMCE.switchClass(img, 'mceButtonDisabled', true);
                } else {
                        lnk.setAttribute("href", lnk.getAttribute("realhref"));
                        tinyMCE.switchClass(img, 'mceButtonNormal', false);
                }
        }
}

function getBrowserHTML(id, target_form_element, type, prefix) {
        var option = prefix + "_" + type + "_browser_callback";
        var cb = tinyMCE.getParam(option, tinyMCE.getParam("file_browser_callback"));
        if (cb == null)
                return "";

        var html = "";

        html += '<a id="' + id + '_link" href="javascript:openBrower(\'' + id + '\',\'' + target_form_element + '\', \'' + type + '\',\'' + option + '\');" onmousedown="return false;">';
        html += '<img id="' + id + '" src="' + themeBaseURL + '/images/browse.gif"';
        html += ' onmouseover="this.className=\'mceButtonOver\';"';
        html += ' onmouseout="this.className=\'mceButtonNormal\';"';
        html += ' onmousedown="this.className=\'mceButtonDown\';"';
        html += ' width="20" height="18" border="0" title="' + tinyMCE.getLang('lang_browse') + '"';
        html += ' class="mceButtonNormal" alt="' + tinyMCE.getLang('lang_browse') + '" /></a>';

        return html;
}

function openBrower(img_id, target_form_element, type, option) {
        var img = document.getElementById(img_id);

        if (img.className != "mceButtonDisabled")
                tinyMCEPopup.openBrowser(target_form_element, type, option);
}

function selectByValue(form_obj, field_name, value, add_custom, ignore_case) {
        if (!form_obj || !form_obj.elements[field_name])
                return;

        var sel = form_obj.elements[field_name];

        var found = false;
        for (var i=0; i<sel.options.length; i++) {
                var option = sel.options[i];

                if (option.value == value || (ignore_case && option.value.toLowerCase() == value.toLowerCase())) {
                        option.selected = true;
                        found = true;
                } else
                        option.selected = false;
        }

        if (!found && add_custom && value != '') {
                var option = new Option(value, value);
                option.selected = true;
                sel.options[sel.options.length] = option;
                sel.selectedIndex = sel.options.length - 1;
        }

        return found;
}

function getSelectValue(form_obj, field_name) {
        var elm = form_obj.elements[field_name];

        if (elm == null || elm.options == null)
                return "";

        return elm.options[elm.selectedIndex].value;
}

function addSelectValue(form_obj, field_name, name, value) {
        var s = form_obj.elements[field_name];
        var o = new Option(name, value);
        s.options[s.options.length] = o;
}

function addClassesToList(list_id, specific_option) {
        // Setup class droplist
        var styleSelectElm = document.getElementById(list_id);
        var styles = tinyMCE.getParam('theme_advanced_styles', false);
        styles = tinyMCE.getParam(specific_option, styles);

        if (styles) {
                var stylesAr = styles.split(';');

                for (var i=0; i<stylesAr.length; i++) {
                        if (stylesAr != "") {
                                var key, value;

                                key = stylesAr[i].split('=')[0];
                                value = stylesAr[i].split('=')[1];

                                styleSelectElm.options[styleSelectElm.length] = new Option(key, value);
                        }
                }
        } else {
                // Use auto impored classes
                var csses = tinyMCE.getCSSClasses(tinyMCE.getWindowArg('editor_id'));
                for (var i=0; i<csses.length; i++)
                        styleSelectElm.options[styleSelectElm.length] = new Option(csses[i], csses[i]);
        }
}

function isVisible(element_id) {
        var elm = document.getElementById(element_id);

        return elm && elm.style.display != "none";
}

function convertRGBToHex(col) {
        var re = new RegExp("rgb\\s*\\(\\s*([0-9]+).*,\\s*([0-9]+).*,\\s*([0-9]+).*\\)", "gi");

        var rgb = col.replace(re, "$1,$2,$3").split(',');
        if (rgb.length == 3) {
                r = parseInt(rgb[0]).toString(16);
                g = parseInt(rgb[1]).toString(16);
                b = parseInt(rgb[2]).toString(16);

                r = r.length == 1 ? '0' + r : r;
                g = g.length == 1 ? '0' + g : g;
                b = b.length == 1 ? '0' + b : b;

                return "#" + r + g + b;
        }

        return col;
}

function convertHexToRGB(col) {
        if (col.indexOf('#') != -1) {
                col = col.replace(new RegExp('[^0-9A-F]', 'gi'), '');

                r = parseInt(col.substring(0, 2), 16);
                g = parseInt(col.substring(2, 4), 16);
                b = parseInt(col.substring(4, 6), 16);

                return "rgb(" + r + "," + g + "," + b + ")";
        }

        return col;
}

function trimSize(size) {
        return size.replace(new RegExp('[^0-9%]', 'gi'), '');
}

function getCSSSize(size) {
        size = trimSize(size);

        if (size == "")
                return "";

        return size.indexOf('%') != -1 ? size : size + "px";
}

function getStyle(elm, attrib, style) {
        var val = tinyMCE.getAttrib(elm, attrib);

        if (val != '')
                return '' + val;

        if (typeof(style) == 'undefined')
                style = attrib;

        val = eval('elm.style.' + style);

        return val == null ? '' : '' + val;
}