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/* redMine - project management software
Copyright (C) 2006-2008 Jean-Philippe Lang */
var observingContextMenuClick;
ContextMenu = Class.create();
ContextMenu.prototype = {
initialize: function (url) {
this.url = url;
// prevent selection when using Ctrl/Shit key
var tables = $$('table.issues');
for (i=0; i<tables.length; i++) {
tables[i].onselectstart = function () { return false; } // ie
tables[i].onmousedown = function () { return false; } // mozilla
}
if (!observingContextMenuClick) {
Event.observe(document, 'click', this.Click.bindAsEventListener(this));
Event.observe(document, (window.opera ? 'click' : 'contextmenu'), this.RightClick.bindAsEventListener(this));
observingContextMenuClick = true;
}
this.unselectAll();
this.lastSelected = null;
},
RightClick: function(e) {
this.hideMenu();
// do not show the context menu on links
if (Event.findElement(e, 'a') != document) { return; }
// right-click simulated by Alt+Click with Opera
if (window.opera && !e.altKey) { return; }
var tr = Event.findElement(e, 'tr');
if ((tr == document) || !tr.hasClassName('hascontextmenu')) { return; }
Event.stop(e);
if (!this.isSelected(tr)) {
this.unselectAll();
this.addSelection(tr);
this.lastSelected = tr;
}
this.showMenu(e);
},
Click: function(e) {
this.hideMenu();
if (Event.findElement(e, 'a') != document) { return; }
if (window.opera && e.altKey) { return; }
if (Event.isLeftClick(e) || (navigator.appVersion.match(/\bMSIE\b/))) {
var tr = Event.findElement(e, 'tr');
if (tr!=document && tr.hasClassName('hascontextmenu')) {
// a row was clicked, check if the click was on checkbox
var box = Event.findElement(e, 'input');
if (box!=document) {
// a checkbox may be clicked
if (box.checked) {
tr.addClassName('context-menu-selection');
} else {
tr.removeClassName('context-menu-selection');
}
} else {
if (e.ctrlKey) {
this.toggleSelection(tr);
} else if (e.shiftKey) {
if (this.lastSelected != null) {
var toggling = false;
var rows = $$('.hascontextmenu');
for (i=0; i<rows.length; i++) {
if (toggling || rows[i]==tr) {
this.addSelection(rows[i]);
}
if (rows[i]==tr || rows[i]==this.lastSelected) {
toggling = !toggling;
}
}
} else {
this.addSelection(tr);
}
} else {
this.unselectAll();
this.addSelection(tr);
}
this.lastSelected = tr;
}
} else {
// click is outside the rows
var t = Event.findElement(e, 'a');
if ((t != document) && (Element.hasClassName(t, 'disabled') || Element.hasClassName(t, 'submenu'))) {
Event.stop(e);
}
}
}
},
showMenu: function(e) {
$('context-menu').style['left'] = (Event.pointerX(e) + 'px');
$('context-menu').style['top'] = (Event.pointerY(e) + 'px');
Element.update('context-menu', '');
new Ajax.Updater({success:'context-menu'}, this.url,
{asynchronous:true,
evalScripts:true,
parameters:Form.serialize(Event.findElement(e, 'form')),
onComplete:function(request){
Effect.Appear('context-menu', {duration: 0.20});
if (window.parseStylesheets) { window.parseStylesheets(); } // IE
}})
},
hideMenu: function() {
Element.hide('context-menu');
},
addSelection: function(tr) {
tr.addClassName('context-menu-selection');
this.checkSelectionBox(tr, true);
},
toggleSelection: function(tr) {
if (this.isSelected(tr)) {
this.removeSelection(tr);
} else {
this.addSelection(tr);
}
},
removeSelection: function(tr) {
tr.removeClassName('context-menu-selection');
this.checkSelectionBox(tr, false);
},
unselectAll: function() {
var rows = $$('.hascontextmenu');
for (i=0; i<rows.length; i++) {
this.removeSelection(rows[i]);
}
},
checkSelectionBox: function(tr, checked) {
var inputs = Element.getElementsBySelector(tr, 'input');
if (inputs.length > 0) { inputs[0].checked = checked; }
},
isSelected: function(tr) {
return Element.hasClassName(tr, 'context-menu-selection');
}
}
function toggleIssuesSelection(el) {
var boxes = el.getElementsBySelector('input[type=checkbox]');
var all_checked = true;
for (i = 0; i < boxes.length; i++) { if (boxes[i].checked == false) { all_checked = false; } }
for (i = 0; i < boxes.length; i++) {
if (all_checked) {
boxes[i].checked = false;
boxes[i].up('tr').removeClassName('context-menu-selection');
} else if (boxes[i].checked == false) {
boxes[i].checked = true;
boxes[i].up('tr').addClassName('context-menu-selection');
}
}
}
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