Redmine/public/javascripts/context_menu.js

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JavaScript
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var contextMenuObserving;
var contextMenuUrl;
function contextMenuRightClick(event) {
var target = $(event.target);
if (target.is('a')) {return;}
var tr = target.parents('tr').first();
if (!tr.hasClass('hascontextmenu')) {return;}
event.preventDefault();
if (!contextMenuIsSelected(tr)) {
contextMenuUnselectAll();
contextMenuAddSelection(tr);
contextMenuSetLastSelected(tr);
}
contextMenuShow(event);
}
function contextMenuClick(event) {
var target = $(event.target);
var lastSelected;
if (target.is('a') && target.hasClass('submenu')) {
event.preventDefault();
return;
}
contextMenuHide();
if (target.is('a') || target.is('img')) { return; }
if (event.which == 1 || (navigator.appVersion.match(/\bMSIE\b/))) {
var tr = target.parents('tr').first();
if (tr.length && tr.hasClass('hascontextmenu')) {
// a row was clicked, check if the click was on checkbox
if (target.is('input')) {
// a checkbox may be clicked
if (target.attr('checked')) {
tr.addClass('context-menu-selection');
} else {
tr.removeClass('context-menu-selection');
}
} else {
if (event.ctrlKey || event.metaKey) {
contextMenuToggleSelection(tr);
} else if (event.shiftKey) {
lastSelected = contextMenuLastSelected();
if (lastSelected.length) {
var toggling = false;
$('.hascontextmenu').each(function(){
if (toggling || $(this).is(tr)) {
contextMenuAddSelection($(this));
}
if ($(this).is(tr) || $(this).is(lastSelected)) {
toggling = !toggling;
}
});
} else {
contextMenuAddSelection(tr);
}
} else {
contextMenuUnselectAll();
contextMenuAddSelection(tr);
}
contextMenuSetLastSelected(tr);
}
} else {
// click is outside the rows
if (target.is('a') && (target.hasClass('disabled') || target.hasClass('submenu'))) {
event.preventDefault();
} else {
contextMenuUnselectAll();
}
}
}
}
function contextMenuCreate() {
if ($('#context-menu').length < 1) {
var menu = document.createElement("div");
menu.setAttribute("id", "context-menu");
menu.setAttribute("style", "display:none;");
document.getElementById("content").appendChild(menu);
}
}
function contextMenuShow(event) {
var mouse_x = event.pageX;
var mouse_y = event.pageY;
var render_x = mouse_x;
var render_y = mouse_y;
var dims;
var menu_width;
var menu_height;
var window_width;
var window_height;
var max_width;
var max_height;
$('#context-menu').css('left', (render_x + 'px'));
$('#context-menu').css('top', (render_y + 'px'));
$('#context-menu').html('');
$.ajax({
url: contextMenuUrl,
data: $(event.target).parents('form').first().serialize(),
success: function(data, textStatus, jqXHR) {
$('#context-menu').html(data);
menu_width = $('#context-menu').width();
menu_height = $('#context-menu').height();
max_width = mouse_x + 2*menu_width;
max_height = mouse_y + menu_height;
var ws = window_size();
window_width = ws.width;
window_height = ws.height;
/* display the menu above and/or to the left of the click if needed */
if (max_width > window_width) {
render_x -= menu_width;
$('#context-menu').addClass('reverse-x');
} else {
$('#context-menu').removeClass('reverse-x');
}
if (max_height > window_height) {
render_y -= menu_height;
$('#context-menu').addClass('reverse-y');
} else {
$('#context-menu').removeClass('reverse-y');
}
if (render_x <= 0) render_x = 1;
if (render_y <= 0) render_y = 1;
$('#context-menu').css('left', (render_x + 'px'));
$('#context-menu').css('top', (render_y + 'px'));
$('#context-menu').show();
//if (window.parseStylesheets) { window.parseStylesheets(); } // IE
}
});
}
function contextMenuSetLastSelected(tr) {
$('.cm-last').removeClass('cm-last');
tr.addClass('cm-last');
}
function contextMenuLastSelected() {
return $('.cm-last').first();
}
function contextMenuUnselectAll() {
$('.hascontextmenu').each(function(){
contextMenuRemoveSelection($(this));
});
$('.cm-last').removeClass('cm-last');
}
function contextMenuHide() {
$('#context-menu').hide();
}
function contextMenuToggleSelection(tr) {
if (contextMenuIsSelected(tr)) {
contextMenuRemoveSelection(tr);
} else {
contextMenuAddSelection(tr);
}
}
function contextMenuAddSelection(tr) {
tr.addClass('context-menu-selection');
contextMenuCheckSelectionBox(tr, true);
contextMenuClearDocumentSelection();
}
function contextMenuRemoveSelection(tr) {
tr.removeClass('context-menu-selection');
contextMenuCheckSelectionBox(tr, false);
}
function contextMenuIsSelected(tr) {
return tr.hasClass('context-menu-selection');
}
function contextMenuCheckSelectionBox(tr, checked) {
tr.find('input[type=checkbox]').attr('checked', checked);
}
function contextMenuClearDocumentSelection() {
// TODO
if (document.selection) {
document.selection.clear(); // IE
} else {
window.getSelection().removeAllRanges();
}
}
function contextMenuInit(url) {
contextMenuUrl = url;
contextMenuCreate();
contextMenuUnselectAll();
if (!contextMenuObserving) {
$(document).click(contextMenuClick);
$(document).contextmenu(contextMenuRightClick);
contextMenuObserving = true;
}
}
function toggleIssuesSelection(el) {
var boxes = $(el).parents('form').find('input[type=checkbox]');
var all_checked = true;
boxes.each(function(){ if (!$(this).attr('checked')) { all_checked = false; } });
boxes.each(function(){
if (all_checked) {
$(this).removeAttr('checked');
$(this).parents('tr').removeClass('context-menu-selection');
} else if (!$(this).attr('checked')) {
$(this).attr('checked', true);
$(this).parents('tr').addClass('context-menu-selection');
}
});
}
function window_size() {
var w;
var h;
if (window.innerWidth) {
w = window.innerWidth;
h = window.innerHeight;
} else if (document.documentElement) {
w = document.documentElement.clientWidth;
h = document.documentElement.clientHeight;
} else {
w = document.body.clientWidth;
h = document.body.clientHeight;
}
return {width: w, height: h};
}