mirror of
https://github.com/xcat2/xcat-core.git
synced 2025-11-04 13:22:36 +00:00
cebb002cde
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@6763 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
371 lines
11 KiB
JavaScript
371 lines
11 KiB
JavaScript
/**
|
|
* Copyright (c)2005-2009 Matt Kruse (javascripttoolbox.com)
|
|
*
|
|
* Dual licensed under the MIT and GPL licenses.
|
|
* This basically means you can use this code however you want for
|
|
* free, but don't claim to have written it yourself!
|
|
* Donations always accepted: http://www.JavascriptToolbox.com/donate/
|
|
*
|
|
* Please do not link to the .js files on javascripttoolbox.com from
|
|
* your site. Copy the files locally to your server instead.
|
|
*
|
|
*/
|
|
/**
|
|
* jquery.contextmenu.js jQuery Plugin for Context Menus http://www.JavascriptToolbox.com/lib/contextmenu/
|
|
*
|
|
* Copyright (c) 2008 Matt Kruse (javascripttoolbox.com) Dual licensed under the MIT and GPL licenses.
|
|
*
|
|
* @version 1.1
|
|
* @history 1.1 2010-01-25 Fixed a problem with 1.4 which caused undesired show/hide animations
|
|
* @history 1.0 2008-10-20 Initial Release
|
|
* @todo slideUp doesn't work in IE - because of iframe?
|
|
* @todo Hide all other menus when contextmenu is shown?
|
|
* @todo More themes
|
|
* @todo Nested context menus
|
|
*/
|
|
;
|
|
(function($) {
|
|
$.contextMenu = {
|
|
shadow : true,
|
|
shadowOffset : 0,
|
|
shadowOffsetX : 5,
|
|
shadowOffsetY : 5,
|
|
shadowWidthAdjust : -3,
|
|
shadowHeightAdjust : -3,
|
|
shadowOpacity : .2,
|
|
shadowClass : 'context-menu-shadow',
|
|
shadowColor : 'black',
|
|
|
|
offsetX : 0,
|
|
offsetY : 0,
|
|
appendTo : 'body',
|
|
direction : 'down',
|
|
constrainToScreen : true,
|
|
|
|
showTransition : 'show',
|
|
hideTransition : 'hide',
|
|
showSpeed : null,
|
|
hideSpeed : null,
|
|
showCallback : null,
|
|
hideCallback : null,
|
|
|
|
className : 'context-menu',
|
|
itemClassName : 'context-menu-item',
|
|
itemHoverClassName : 'context-menu-item-hover',
|
|
disabledItemClassName : 'context-menu-item-disabled',
|
|
disabledItemHoverClassName : 'context-menu-item-disabled-hover',
|
|
separatorClassName : 'context-menu-separator',
|
|
innerDivClassName : 'context-menu-item-inner',
|
|
themePrefix : 'context-menu-theme-',
|
|
theme : 'default',
|
|
|
|
separator : 'context-menu-separator', // A specific key to identify a separator
|
|
target : null, // The target of the context click, to be populated when triggered
|
|
menu : null, // The jQuery object containing the HTML object that is the menu itself
|
|
shadowObj : null, // Shadow object
|
|
bgiframe : null, // The iframe object for IE6
|
|
shown : false, // Currently being shown?
|
|
useIframe : /* @cc_on @ *//* @if (@_win32) true, @else @ */false,/* @end @ */// This is a better check than
|
|
// looking
|
|
// at userAgent!
|
|
|
|
// Create the menu instance
|
|
create : function(menu, opts) {
|
|
var cmenu = $.extend( {}, this, opts); // Clone all default
|
|
// properties to created
|
|
// object
|
|
|
|
// If a selector has been passed in, then use that as the menu
|
|
if (typeof menu == "string") {
|
|
cmenu.menu = $(menu);
|
|
}
|
|
// If a function has been passed in, call it each time the menu is shown to create the menu
|
|
else if (typeof menu == "function") {
|
|
cmenu.menuFunction = menu;
|
|
}
|
|
// Otherwise parse the Array passed in
|
|
else {
|
|
cmenu.menu = cmenu.createMenu(menu, cmenu);
|
|
}
|
|
if (cmenu.menu) {
|
|
cmenu.menu.css( {
|
|
display : 'none'
|
|
});
|
|
$(cmenu.appendTo).append(cmenu.menu);
|
|
}
|
|
|
|
// Create the shadow object if shadow is enabled
|
|
if (cmenu.shadow) {
|
|
cmenu.createShadow(cmenu); // Extracted to method for
|
|
// extensibility
|
|
if (cmenu.shadowOffset) {
|
|
cmenu.shadowOffsetX = cmenu.shadowOffsetY = cmenu.shadowOffset;
|
|
}
|
|
}
|
|
$('body').bind('contextmenu', function() {
|
|
cmenu.hide();
|
|
}); // If right-clicked somewhere else in the document, hide this
|
|
// menu
|
|
return cmenu;
|
|
},
|
|
|
|
// Create an iframe object to go behind the menu
|
|
createIframe : function() {
|
|
return $('<iframe frameborder="0" tabindex="-1" src="javascript:false" style="display:block;position:absolute;z-index:-1;filter:Alpha(Opacity=0);"/>');
|
|
},
|
|
|
|
// Accept an Array representing a menu structure and turn it into HTML
|
|
createMenu : function(menu, cmenu) {
|
|
var className = cmenu.className;
|
|
$.each(cmenu.theme.split(","), function(i, n) {
|
|
className += ' ' + cmenu.themePrefix + n
|
|
});
|
|
var $t = $('<table cellspacing=0 cellpadding=0></table>')
|
|
.click(function() {
|
|
cmenu.hide();
|
|
return false;
|
|
}); // We wrap a table around it so width can be flexible
|
|
var $tr = $('<tr></tr>');
|
|
var $td = $('<td></td>');
|
|
var $div = $('<div class="' + className + '"></div>');
|
|
|
|
// Each menu item is specified as either:
|
|
// title:function
|
|
// or title: { property:value ... }
|
|
for ( var i = 0; i < menu.length; i++) {
|
|
var m = menu[i];
|
|
if (m == $.contextMenu.separator) {
|
|
$div.append(cmenu.createSeparator());
|
|
} else {
|
|
for ( var opt in menu[i]) {
|
|
$div.append(cmenu.createMenuItem(opt, menu[i][opt])); // Extracted
|
|
// to
|
|
// method
|
|
// for
|
|
// extensibility
|
|
}
|
|
}
|
|
}
|
|
if (cmenu.useIframe) {
|
|
$td.append(cmenu.createIframe());
|
|
}
|
|
$t.append($tr.append($td.append($div)))
|
|
return $t;
|
|
},
|
|
|
|
// Create an individual menu item
|
|
createMenuItem : function(label, obj) {
|
|
var cmenu = this;
|
|
if (typeof obj == "function") {
|
|
obj = {
|
|
onclick : obj
|
|
};
|
|
} // If passed a simple function, turn it into a property of an object
|
|
// Default properties, extended in case properties are passed
|
|
var o = $.extend( {
|
|
onclick : function() {
|
|
},
|
|
className : '',
|
|
hoverClassName : cmenu.itemHoverClassName,
|
|
icon : '',
|
|
disabled : false,
|
|
title : '',
|
|
hoverItem : cmenu.hoverItem,
|
|
hoverItemOut : cmenu.hoverItemOut
|
|
}, obj);
|
|
// If an icon is specified, hard-code the background-image style.
|
|
// Themes that don't show images should take this into account in
|
|
// their CSS
|
|
var iconStyle = (o.icon) ? 'background-image:url(' + o.icon + ');' : '';
|
|
var $div = $('<div class="' + cmenu.itemClassName + ' ' +
|
|
o.className +
|
|
((o.disabled) ? ' ' + cmenu.disabledItemClassName : '') +
|
|
'" title="' + o.title + '"></div>')
|
|
// If the item is disabled, don't do anything when it is clicked
|
|
.click(function(e) {
|
|
if (cmenu.isItemDisabled(this)) {
|
|
return false;
|
|
} else {
|
|
return o.onclick.call(cmenu.target, this, cmenu, e)
|
|
}
|
|
})
|
|
// Change the class of the item when hovered over
|
|
.hover(function() {
|
|
o.hoverItem
|
|
.call(this, (cmenu.isItemDisabled(this)) ? cmenu.disabledItemHoverClassName : o.hoverClassName);
|
|
}, function() {
|
|
o.hoverItemOut
|
|
.call(this, (cmenu.isItemDisabled(this)) ? cmenu.disabledItemHoverClassName : o.hoverClassName);
|
|
});
|
|
var $idiv = $('<div class="' + cmenu.innerDivClassName +
|
|
'" style="' + iconStyle + '">' + label + '</div>');
|
|
$div.append($idiv);
|
|
return $div;
|
|
},
|
|
|
|
// Create a separator row
|
|
createSeparator : function() {
|
|
return $('<div class="' + this.separatorClassName + '"></div>');
|
|
},
|
|
|
|
// Determine if an individual item is currently disabled. This is called each time the item is hovered or
|
|
// clicked because the disabled status may change at any time
|
|
isItemDisabled : function(item) {
|
|
return $(item).is('.' + this.disabledItemClassName);
|
|
},
|
|
|
|
// Functions to fire on hover. Extracted to methods for extensibility
|
|
hoverItem : function(c) {
|
|
$(this).addClass(c);
|
|
},
|
|
hoverItemOut : function(c) {
|
|
$(this).removeClass(c);
|
|
},
|
|
|
|
// Create the shadow object
|
|
createShadow : function(cmenu) {
|
|
cmenu.shadowObj = $('<div class="' + cmenu.shadowClass + '"></div>')
|
|
.css( {
|
|
display : 'none',
|
|
position : "absolute",
|
|
zIndex : 9998,
|
|
opacity : cmenu.shadowOpacity,
|
|
backgroundColor : cmenu.shadowColor
|
|
});
|
|
$(cmenu.appendTo).append(cmenu.shadowObj);
|
|
},
|
|
|
|
// Display the shadow object, given the position of the menu itself
|
|
showShadow : function(x, y, e) {
|
|
var cmenu = this;
|
|
if (cmenu.shadow) {
|
|
cmenu.shadowObj.css( {
|
|
width : (cmenu.menu.width() + cmenu.shadowWidthAdjust) +
|
|
"px",
|
|
height : (cmenu.menu.height() + cmenu.shadowHeightAdjust) +
|
|
"px",
|
|
top : (y + cmenu.shadowOffsetY) + "px",
|
|
left : (x + cmenu.shadowOffsetX) + "px"
|
|
}).addClass(cmenu.shadowClass)[cmenu.showTransition]
|
|
(cmenu.showSpeed);
|
|
}
|
|
},
|
|
|
|
// A hook to call before the menu is shown, in case special processing needs to be done.
|
|
// Return false to cancel the default show operation
|
|
beforeShow : function() {
|
|
return true;
|
|
},
|
|
|
|
// Show the context menu
|
|
show : function(t, e) {
|
|
var cmenu = this, x = e.pageX, y = e.pageY;
|
|
cmenu.target = t; // Preserve the object that triggered this
|
|
// context menu so menu item click methods can
|
|
// see it
|
|
if (cmenu.beforeShow() !== false) {
|
|
// If the menu content is a function, call it to populate the menu each time it is displayed
|
|
if (cmenu.menuFunction) {
|
|
if (cmenu.menu) {
|
|
$(cmenu.menu).remove();
|
|
}
|
|
cmenu.menu = cmenu
|
|
.createMenu(cmenu.menuFunction(cmenu, t), cmenu);
|
|
cmenu.menu.css( {
|
|
display : 'none'
|
|
});
|
|
$(cmenu.appendTo).append(cmenu.menu);
|
|
}
|
|
var $c = cmenu.menu;
|
|
x += cmenu.offsetX;
|
|
y += cmenu.offsetY;
|
|
var pos = cmenu.getPosition(x, y, cmenu, e); // Extracted to
|
|
// method for
|
|
// extensibility
|
|
cmenu.showShadow(pos.x, pos.y, e);
|
|
// Resize the iframe if needed
|
|
if (cmenu.useIframe) {
|
|
$c.find('iframe').css( {
|
|
width : $c.width() + cmenu.shadowOffsetX +
|
|
cmenu.shadowWidthAdjust,
|
|
height : $c.height() + cmenu.shadowOffsetY +
|
|
cmenu.shadowHeightAdjust
|
|
});
|
|
}
|
|
$c.css( {
|
|
top : pos.y + "px",
|
|
left : pos.x + "px",
|
|
position : "absolute",
|
|
zIndex : 9999
|
|
})[cmenu.showTransition]
|
|
(cmenu.showSpeed, ((cmenu.showCallback) ? function() {
|
|
cmenu.showCallback.call(cmenu);
|
|
} : null));
|
|
cmenu.shown = true;
|
|
$(document).one('click', null, function() {
|
|
cmenu.hide()
|
|
}); // Handle a single click to the document to hide the menu
|
|
}
|
|
},
|
|
|
|
// Find the position where the menu should appear, given an x,y of the click event
|
|
getPosition : function(clickX, clickY, cmenu, e) {
|
|
var x = clickX + cmenu.offsetX;
|
|
var y = clickY + cmenu.offsetY
|
|
var h = $(cmenu.menu).height();
|
|
var w = $(cmenu.menu).width();
|
|
var dir = cmenu.direction;
|
|
if (cmenu.constrainToScreen) {
|
|
var $w = $(window);
|
|
var wh = $w.height();
|
|
var ww = $w.width();
|
|
if (dir == "down" && (y + h - $w.scrollTop() > wh)) {
|
|
dir = "up";
|
|
}
|
|
var maxRight = x + w - $w.scrollLeft();
|
|
if (maxRight > ww) {
|
|
x -= (maxRight - ww);
|
|
}
|
|
}
|
|
if (dir == "up") {
|
|
y -= h;
|
|
}
|
|
return {
|
|
'x' : x, 'y' : y
|
|
};
|
|
},
|
|
|
|
// Hide the menu, of course
|
|
hide : function() {
|
|
var cmenu = this;
|
|
if (cmenu.shown) {
|
|
if (cmenu.iframe) {
|
|
$(cmenu.iframe).hide();
|
|
}
|
|
if (cmenu.menu) {
|
|
cmenu.menu[cmenu.hideTransition]
|
|
(cmenu.hideSpeed, ((cmenu.hideCallback) ? function() {
|
|
cmenu.hideCallback.call(cmenu);
|
|
} : null));
|
|
}
|
|
if (cmenu.shadow) {
|
|
cmenu.shadowObj[cmenu.hideTransition](cmenu.hideSpeed);
|
|
}
|
|
}
|
|
cmenu.shown = false;
|
|
}
|
|
};
|
|
|
|
// This actually adds the .contextMenu() function to the jQuery namespace
|
|
$.fn.contextMenu = function(menu, options) {
|
|
var cmenu = $.contextMenu.create(menu, options);
|
|
return this.each(function() {
|
|
// Show menu on left click
|
|
$(this).bind('click', function(e) {
|
|
cmenu.show(this, e);
|
|
return false;
|
|
});
|
|
});
|
|
};
|
|
})(jQuery);
|