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Menu.js
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Menu.js
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if(!dojo._hasResource["dijit.Menu"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dijit.Menu"] = true;
dojo.provide("dijit.Menu");
dojo.require("dijit._Widget");
dojo.require("dijit._Container");
dojo.require("dijit._Templated");
dojo.declare(
"dijit.Menu",
[dijit._Widget, dijit._Templated, dijit._KeyNavContainer],
{
constructor: function() {
this._bindings = [];
},
templateString:
'<table class="dijit dijitMenu dijitReset dijitMenuTable" waiRole="menu" dojoAttachEvent="onkeypress:_onKeyPress">' +
'<tbody class="dijitReset" dojoAttachPoint="containerNode"></tbody>'+
'</table>',
// targetNodeIds: String[]
// Array of dom node ids of nodes to attach to.
// Fill this with nodeIds upon widget creation and it becomes context menu for those nodes.
targetNodeIds: [],
// contextMenuForWindow: Boolean
// if true, right clicking anywhere on the window will cause this context menu to open;
// if false, must specify targetNodeIds
contextMenuForWindow: false,
// parentMenu: Widget
// pointer to menu that displayed me
parentMenu: null,
// popupDelay: Integer
// number of milliseconds before hovering (without clicking) causes the popup to automatically open
popupDelay: 500,
// _contextMenuWithMouse: Boolean
// used to record mouse and keyboard events to determine if a context
// menu is being opened with the keyboard or the mouse
_contextMenuWithMouse: false,
postCreate: function(){
if(this.contextMenuForWindow){
this.bindDomNode(dojo.body());
}else{
dojo.forEach(this.targetNodeIds, this.bindDomNode, this);
}
this.connectKeyNavHandlers([dojo.keys.UP_ARROW], [dojo.keys.DOWN_ARROW]);
},
startup: function(){
dojo.forEach(this.getChildren(), function(child){ child.startup(); });
this.startupKeyNavChildren();
},
onExecute: function(){
// summary: attach point for notification about when a menu item has been executed
},
onCancel: function(/*Boolean*/ closeAll){
// summary: attach point for notification about when the user cancels the current menu
},
_moveToPopup: function(/*Event*/ evt){
if(this.focusedChild && this.focusedChild.popup && !this.focusedChild.disabled){
this.focusedChild._onClick(evt);
}
},
_onKeyPress: function(/*Event*/ evt){
// summary
// Handle keyboard based menu navigation.
if(evt.ctrlKey || evt.altKey){ return; }
switch(evt.keyCode){
case dojo.keys.RIGHT_ARROW:
this._moveToPopup(evt);
dojo.stopEvent(evt);
break;
case dojo.keys.LEFT_ARROW:
if(this.parentMenu){
this.onCancel(false);
}else{
dojo.stopEvent(evt);
}
break;
}
},
onItemHover: function(/*MenuItem*/ item){
this.focusChild(item);
if(this.focusedChild.popup && !this.focusedChild.disabled && !this.hover_timer){
this.hover_timer = setTimeout(dojo.hitch(this, "_openPopup"), this.popupDelay);
}
},
_onChildBlur: function(item){
// Close all popups that are open and descendants of this menu
dijit.popup.close(item.popup);
item._blur();
this._stopPopupTimer();
},
onItemUnhover: function(/*MenuItem*/ item){
},
_stopPopupTimer: function(){
if(this.hover_timer){
clearTimeout(this.hover_timer);
this.hover_timer = null;
}
},
_getTopMenu: function(){
for(var top=this; top.parentMenu; top=top.parentMenu);
return top;
},
onItemClick: function(/*Widget*/ item){
// summary: user defined function to handle clicks on an item
// summary: internal function for clicks
if(item.disabled){ return false; }
if(item.popup){
if(!this.is_open){
this._openPopup();
}
}else{
// before calling user defined handler, close hierarchy of menus
// and restore focus to place it was when menu was opened
this.onExecute();
// user defined handler for click
item.onClick();
}
},
// thanks burstlib!
_iframeContentWindow: function(/* HTMLIFrameElement */iframe_el) {
// summary
// returns the window reference of the passed iframe
var win = dijit.getDocumentWindow(dijit.Menu._iframeContentDocument(iframe_el)) ||
// Moz. TODO: is this available when defaultView isn't?
dijit.Menu._iframeContentDocument(iframe_el)['__parent__'] ||
(iframe_el.name && document.frames[iframe_el.name]) || null;
return win; // Window
},
_iframeContentDocument: function(/* HTMLIFrameElement */iframe_el){
// summary
// returns a reference to the document object inside iframe_el
var doc = iframe_el.contentDocument // W3
|| (iframe_el.contentWindow && iframe_el.contentWindow.document) // IE
|| (iframe_el.name && document.frames[iframe_el.name] && document.frames[iframe_el.name].document)
|| null;
return doc; // HTMLDocument
},
bindDomNode: function(/*String|DomNode*/ node){
// summary: attach menu to given node
node = dojo.byId(node);
//TODO: this is to support context popups in Editor. Maybe this shouldn't be in dijit.Menu
var win = dijit.getDocumentWindow(node.ownerDocument);
if(node.tagName.toLowerCase()=="iframe"){
win = this._iframeContentWindow(node);
node = dojo.withGlobal(win, dojo.body);
}
// to capture these events at the top level,
// attach to document, not body
var cn = (node == dojo.body() ? dojo.doc : node);
node[this.id] = this._bindings.push([
dojo.connect(cn, "oncontextmenu", this, "_openMyself"),
dojo.connect(cn, "onkeydown", this, "_contextKey"),
dojo.connect(cn, "onmousedown", this, "_contextMouse")
]);
},
unBindDomNode: function(/*String|DomNode*/ nodeName){
// summary: detach menu from given node
var node = dojo.byId(nodeName);
var bid = node[this.id]-1, b = this._bindings[bid];
dojo.forEach(b, dojo.disconnect);
delete this._bindings[bid];
},
_contextKey: function(e){
this._contextMenuWithMouse = false;
if (e.keyCode == dojo.keys.F10) {
dojo.stopEvent(e);
if (e.shiftKey && e.type=="keydown") {
// FF: copying the wrong property from e will cause the system
// context menu to appear in spite of stopEvent. Don't know
// exactly which properties cause this effect.
var _e = { target: e.target, pageX: e.pageX, pageY: e.pageY };
_e.preventDefault = _e.stopPropagation = function(){};
// IE: without the delay, focus work in "open" causes the system
// context menu to appear in spite of stopEvent.
window.setTimeout(dojo.hitch(this, function(){ this._openMyself(_e); }), 1);
}
}
},
_contextMouse: function(e){
this._contextMenuWithMouse = true;
},
_openMyself: function(/*Event*/ e){
// summary:
// Internal function for opening myself when the user
// does a right-click or something similar
dojo.stopEvent(e);
// Get coordinates.
// if we are opening the menu with the mouse or on safari open
// the menu at the mouse cursor
// (Safari does not have a keyboard command to open the context menu
// and we don't currently have a reliable way to determine
// _contextMenuWithMouse on Safari)
var x,y;
if(dojo.isSafari || this._contextMenuWithMouse){
x=e.pageX;
y=e.pageY;
}else{
// otherwise open near e.target
var coords = dojo.coords(e.target, true);
x = coords.x + 10;
y = coords.y + 10;
}
var self=this;
var savedFocus = dijit.getFocus(this);
function closeAndRestoreFocus(){
// user has clicked on a menu or popup
dijit.focus(savedFocus);
dijit.popup.close(self);
}
dijit.popup.open({
popup: this,
x: x,
y: y,
onExecute: closeAndRestoreFocus,
onCancel: closeAndRestoreFocus,
orient: this.isLeftToRight() ? 'L' : 'R'
});
this.focus();
this._onBlur = function(){
// Usually the parent closes the child widget but if this is a context
// menu then there is no parent
dijit.popup.close(this);
// don't try to restore focus; user has clicked another part of the screen
// and set focus there
}
},
onOpen: function(/*Event*/ e){
// summary
// Open menu relative to the mouse
this.isShowingNow = true;
},
onClose: function(){
// summary: callback when this menu is closed
this._stopPopupTimer();
this.parentMenu = null;
this.isShowingNow = false;
this.currentPopup = null;
if(this.focusedChild){
this._onChildBlur(this.focusedChild);
this.focusedChild = null;
}
},
_openPopup: function(){
// summary: open the popup to the side of the current menu item
this._stopPopupTimer();
var from_item = this.focusedChild;
var popup = from_item.popup;
if(popup.isShowingNow){ return; }
popup.parentMenu = this;
var self = this;
dijit.popup.open({
parent: this,
popup: popup,
around: from_item.arrowCell,
orient: this.isLeftToRight() ? {'TR': 'TL', 'TL': 'TR'} : {'TL': 'TR', 'TR': 'TL'},
onCancel: function(){
// called when the child menu is canceled
dijit.popup.close(popup);
from_item.focus(); // put focus back on my node
self.currentPopup = null;
}
});
this.currentPopup = popup;
if(popup.focus){
popup.focus();
}
}
}
);
dojo.declare(
"dijit.MenuItem",
[dijit._Widget, dijit._Templated, dijit._Contained],
{
// summary
// A line item in a Menu2
// Make 3 columns
// icon, label, and expand arrow (BiDi-dependent) indicating sub-menu
templateString:
'<tr class="dijitReset dijitMenuItem"'
+'dojoAttachEvent="onmouseenter:_onHover,onmouseleave:_onUnhover,ondijitclick:_onClick">'
+'<td class="dijitReset"><div class="dijitMenuItemIcon ${iconClass}" dojoAttachPoint="iconNode" ></div></td>'
+'<td tabIndex="-1" class="dijitReset dijitMenuItemLabel" dojoAttachPoint="containerNode" waiRole="menuitem"></td>'
+'<td class="dijitReset" dojoAttachPoint="arrowCell">'
+'<div class="dijitMenuExpand" dojoAttachPoint="expand" style="display:none">'
+'<span class="dijitInline dijitArrowNode dijitMenuExpandInner">+</span>'
+'</div>'
+'</td>'
+'</tr>',
// label: String
// menu text
label: '',
// iconClass: String
// class to apply to div in button to make it display an icon
iconClass: "",
// disabled: Boolean
// if true, the menu item is disabled
// if false, the menu item is enabled
disabled: false,
postCreate: function(){
dojo.setSelectable(this.domNode, false);
this.setDisabled(this.disabled);
if(this.label){
this.containerNode.innerHTML=this.label;
}
},
_onHover: function(){
// summary: callback when mouse is moved onto menu item
this.getParent().onItemHover(this);
},
_onUnhover: function(){
// summary: callback when mouse is moved off of menu item
// if we are unhovering the currently selected item
// then unselect it
this.getParent().onItemUnhover(this);
},
_onClick: function(evt){
this.getParent().onItemClick(this);
dojo.stopEvent(evt);
},
onClick: function() {
// summary
// User defined function to handle clicks
},
focus: function(){
dojo.addClass(this.domNode, 'dijitMenuItemHover');
try{
dijit.focus(this.containerNode);
}catch(e){
// this throws on IE (at least) in some scenarios
}
},
_blur: function(){
dojo.removeClass(this.domNode, 'dijitMenuItemHover');
},
setDisabled: function(/*Boolean*/ value){
// summary: enable or disable this menu item
this.disabled = value;
dojo[value ? "addClass" : "removeClass"](this.domNode, 'dijitMenuItemDisabled');
dijit.setWaiState(this.containerNode, 'disabled', value ? 'true' : 'false');
}
});
dojo.declare(
"dijit.PopupMenuItem",
dijit.MenuItem,
{
_fillContent: function(){
// my inner HTML contains both the menu item text and a popup widget, like
// <div dojoType="dijit.PopupMenuItem">
// <span>pick me</span>
// <popup> ... </popup>
// </div>
// the first part holds the menu item text and the second part is the popup
if(this.srcNodeRef){
var nodes = dojo.query("*", this.srcNodeRef);
dijit.PopupMenuItem.superclass._fillContent.call(this, nodes[0]);
// save pointer to srcNode so we can grab the drop down widget after it's instantiated
this.dropDownContainer = this.srcNodeRef;
}
},
startup: function(){
// we didn't copy the dropdown widget from the this.srcNodeRef, so it's in no-man's
// land now. move it to document.body.
if(!this.popup){
var node = dojo.query("[widgetId]", this.dropDownContainer)[0];
this.popup = dijit.byNode(node);
}
dojo.body().appendChild(this.popup.domNode);
this.popup.domNode.style.display="none";
dojo.addClass(this.expand, "dijitMenuExpandEnabled");
dojo.style(this.expand, "display", "");
dijit.setWaiState(this.containerNode, "haspopup", "true");
}
});
dojo.declare(
"dijit.MenuSeparator",
[dijit._Widget, dijit._Templated, dijit._Contained],
{
// summary
// A line between two menu items
templateString: '<tr class="dijitMenuSeparator"><td colspan=3>'
+'<div class="dijitMenuSeparatorTop"></div>'
+'<div class="dijitMenuSeparatorBottom"></div>'
+'</td></tr>',
postCreate: function(){
dojo.setSelectable(this.domNode, false);
},
isFocusable: function(){
// summary:
// over ride to always return false
return false;
}
});
}

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Menu.js (12 KB)

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