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130 lines
3.8 KiB
JavaScript
130 lines
3.8 KiB
JavaScript
//
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// MoinMoin commonly used JavaScript functions
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//
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// use this instead of assigning to window.onload directly:
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function addLoadEvent(func) {
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// alert("addLoadEvent " + func)
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var oldonload = window.onload;
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if (typeof window.onload != 'function') {
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window.onload = func;
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} else {
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window.onload = function() {
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oldonload();
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func();
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}
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}
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}
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function can_use_gui_editor() {
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var sAgent = navigator.userAgent.toLowerCase();
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if (sAgent.indexOf("msie") != -1 && sAgent.indexOf("mac") == -1 &&
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sAgent.indexOf("opera") == -1 ) {
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// Internet Explorer
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var sBrowserVersion = navigator.appVersion.match(/MSIE (.\..)/)[1];
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return ( sBrowserVersion >= 5.5 );
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} else if (navigator.product == "Gecko" &&
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navigator.productSub >= 20030210) {
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// Gecko
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return true;
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}
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// else if (sAgent.indexOf("safari") != -1 ) {
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// // Safari - build must be at least 312 (1.3)
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// return (sAgent.match( /safari\/(\d+)/ )[1] >= 312 );
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// }
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else {
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// Unknown browser, assume gui editor is not compatible
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return false;
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}
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}
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function update_edit_links() {
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// Update editlink according if if the browser is compatible
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if (can_use_gui_editor() == false){
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//alert("update_edit_links: can't use gui editor");
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return;
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}
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var editlinks = document.getElementsByName("editlink");
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for (i = 0; i < editlinks.length; i++) {
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var link = editlinks[i];
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href = link.href.replace('editor=textonly','editor=guipossible');
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link.href = href;
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//alert("update_edit_links: modified to guipossible");
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}
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}
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function add_gui_editor_links() {
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// Add gui editor link after the text editor link
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// If the variable is not set or browser is not compatible, exit
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try {gui_editor_link_href}
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catch (e) {
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//alert("add_gui_editor_links: gui_editor_link_href not here");
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return
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}
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if (can_use_gui_editor() == false){
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//alert("add_gui_editor_links: can't use gui_editor");
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return;
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}
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var all = document.getElementsByName('texteditlink');
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for (i = 0; i < all.length; i++) {
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var textEditorLink = all[i];
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// Create a list item with a link
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var guiEditorLink = document.createElement('a');
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guiEditorLink.href = gui_editor_link_href;
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var text = document.createTextNode(gui_editor_link_text);
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guiEditorLink.appendChild(text);
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var listItem = document.createElement('li')
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listItem.appendChild(guiEditorLink);
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// Insert in the editbar
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var editbar = textEditorLink.parentNode.parentNode
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var nextListItem = textEditorLink.parentNode.nextSibling;
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editbar.insertBefore(listItem, nextListItem);
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//alert("add_gui_editor_links: added gui editor link");
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}
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}
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function show_switch2gui() {
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// Show switch to gui editor link if the browser is compatible
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if (can_use_gui_editor() == false) return;
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var switch2gui = document.getElementById('switch2gui')
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if (switch2gui) {
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switch2gui.style.display = 'inline';
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}
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}
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function load() {
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// Do not name this "onload", it does not work with IE :-)
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// TODO: create separate onload for each type of view and set the
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// correct function name in the html.
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// e.g <body onlod='editor_onload()'>
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// Page view stuff
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update_edit_links();
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add_gui_editor_links();
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// Editor stuff
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show_switch2gui();
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}
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function before_unload(evt) {
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// TODO: Better to set this in the editor html, as it does not make
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// sense elsehwere.
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// confirmleaving is available when editing
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try {return confirmleaving();}
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catch (e) {}
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}
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// Initialize after loading the page
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addLoadEvent(load)
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// Catch before unloading the page
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window.onbeforeunload = before_unload
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