You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
484 lines
17 KiB
JavaScript
484 lines
17 KiB
JavaScript
/*
|
|
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
|
|
Available via Academic Free License >= 2.1 OR the modified BSD license.
|
|
see: http://dojotoolkit.org/license for details
|
|
*/
|
|
|
|
|
|
if(!dojo._hasResource["dijit.layout.ScrollingTabController"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
|
|
dojo._hasResource["dijit.layout.ScrollingTabController"] = true;
|
|
dojo.provide("dijit.layout.ScrollingTabController");
|
|
dojo.require("dijit.layout.TabController");
|
|
dojo.require("dijit.Menu");
|
|
dojo.require("dijit.form.Button");
|
|
dojo.require("dijit._HasDropDown");
|
|
|
|
|
|
dojo.declare("dijit.layout.ScrollingTabController",
|
|
dijit.layout.TabController,
|
|
{
|
|
// summary:
|
|
// Set of tabs with left/right arrow keys and a menu to switch between tabs not
|
|
// all fitting on a single row.
|
|
// Works only for horizontal tabs (either above or below the content, not to the left
|
|
// or right).
|
|
// tags:
|
|
// private
|
|
|
|
templateString: dojo.cache("dijit.layout", "templates/ScrollingTabController.html", "<div class=\"dijitTabListContainer-${tabPosition}\" style=\"visibility:hidden\">\n\t<div dojoType=\"dijit.layout._ScrollingTabControllerMenuButton\"\n\t\t\tclass=\"tabStripButton-${tabPosition}\"\n\t\t\tid=\"${id}_menuBtn\" containerId=\"${containerId}\" iconClass=\"dijitTabStripMenuIcon\"\n\t\t\tdropDownPosition=\"below-alt, above-alt\"\n\t\t\tdojoAttachPoint=\"_menuBtn\" showLabel=\"false\">▼</div>\n\t<div dojoType=\"dijit.layout._ScrollingTabControllerButton\"\n\t\t\tclass=\"tabStripButton-${tabPosition}\"\n\t\t\tid=\"${id}_leftBtn\" iconClass=\"dijitTabStripSlideLeftIcon\"\n\t\t\tdojoAttachPoint=\"_leftBtn\" dojoAttachEvent=\"onClick: doSlideLeft\" showLabel=\"false\">◀</div>\n\t<div dojoType=\"dijit.layout._ScrollingTabControllerButton\"\n\t\t\tclass=\"tabStripButton-${tabPosition}\"\n\t\t\tid=\"${id}_rightBtn\" iconClass=\"dijitTabStripSlideRightIcon\"\n\t\t\tdojoAttachPoint=\"_rightBtn\" dojoAttachEvent=\"onClick: doSlideRight\" showLabel=\"false\">▶</div>\n\t<div class='dijitTabListWrapper' dojoAttachPoint='tablistWrapper'>\n\t\t<div role='tablist' dojoAttachEvent='onkeypress:onkeypress'\n\t\t\t\tdojoAttachPoint='containerNode' class='nowrapTabStrip'></div>\n\t</div>\n</div>\n"),
|
|
|
|
// useMenu: [const] Boolean
|
|
// True if a menu should be used to select tabs when they are too
|
|
// wide to fit the TabContainer, false otherwise.
|
|
useMenu: true,
|
|
|
|
// useSlider: [const] Boolean
|
|
// True if a slider should be used to select tabs when they are too
|
|
// wide to fit the TabContainer, false otherwise.
|
|
useSlider: true,
|
|
|
|
// tabStripClass: [const] String
|
|
// The css class to apply to the tab strip, if it is visible.
|
|
tabStripClass: "",
|
|
|
|
widgetsInTemplate: true,
|
|
|
|
// _minScroll: Number
|
|
// The distance in pixels from the edge of the tab strip which,
|
|
// if a scroll animation is less than, forces the scroll to
|
|
// go all the way to the left/right.
|
|
_minScroll: 5,
|
|
|
|
attributeMap: dojo.delegate(dijit._Widget.prototype.attributeMap, {
|
|
"class": "containerNode"
|
|
}),
|
|
|
|
buildRendering: function(){
|
|
this.inherited(arguments);
|
|
var n = this.domNode;
|
|
|
|
this.scrollNode = this.tablistWrapper;
|
|
this._initButtons();
|
|
|
|
if(!this.tabStripClass){
|
|
this.tabStripClass = "dijitTabContainer" +
|
|
this.tabPosition.charAt(0).toUpperCase() +
|
|
this.tabPosition.substr(1).replace(/-.*/, "") +
|
|
"None";
|
|
dojo.addClass(n, "tabStrip-disabled")
|
|
}
|
|
|
|
dojo.addClass(this.tablistWrapper, this.tabStripClass);
|
|
},
|
|
|
|
onStartup: function(){
|
|
this.inherited(arguments);
|
|
|
|
// Do not show the TabController until the related
|
|
// StackController has added it's children. This gives
|
|
// a less visually jumpy instantiation.
|
|
dojo.style(this.domNode, "visibility", "visible");
|
|
this._postStartup = true;
|
|
},
|
|
|
|
onAddChild: function(page, insertIndex){
|
|
this.inherited(arguments);
|
|
|
|
// changes to the tab button label or iconClass will have changed the width of the
|
|
// buttons, so do a resize
|
|
dojo.forEach(["label", "iconClass"], function(attr){
|
|
this.pane2watches[page.id].push(
|
|
this.pane2button[page.id].watch(attr, dojo.hitch(this, function(name, oldValue, newValue){
|
|
if(this._postStartup && this._dim){
|
|
this.resize(this._dim);
|
|
}
|
|
}))
|
|
);
|
|
}, this);
|
|
|
|
// Increment the width of the wrapper when a tab is added
|
|
// This makes sure that the buttons never wrap.
|
|
// The value 200 is chosen as it should be bigger than most
|
|
// Tab button widths.
|
|
dojo.style(this.containerNode, "width",
|
|
(dojo.style(this.containerNode, "width") + 200) + "px");
|
|
},
|
|
|
|
onRemoveChild: function(page, insertIndex){
|
|
// null out _selectedTab because we are about to delete that dom node
|
|
var button = this.pane2button[page.id];
|
|
if(this._selectedTab === button.domNode){
|
|
this._selectedTab = null;
|
|
}
|
|
|
|
this.inherited(arguments);
|
|
},
|
|
|
|
_initButtons: function(){
|
|
// summary:
|
|
// Creates the buttons used to scroll to view tabs that
|
|
// may not be visible if the TabContainer is too narrow.
|
|
|
|
// Make a list of the buttons to display when the tab labels become
|
|
// wider than the TabContainer, and hide the other buttons.
|
|
// Also gets the total width of the displayed buttons.
|
|
this._btnWidth = 0;
|
|
this._buttons = dojo.query("> .tabStripButton", this.domNode).filter(function(btn){
|
|
if((this.useMenu && btn == this._menuBtn.domNode) ||
|
|
(this.useSlider && (btn == this._rightBtn.domNode || btn == this._leftBtn.domNode))){
|
|
this._btnWidth += dojo._getMarginSize(btn).w;
|
|
return true;
|
|
}else{
|
|
dojo.style(btn, "display", "none");
|
|
return false;
|
|
}
|
|
}, this);
|
|
},
|
|
|
|
_getTabsWidth: function(){
|
|
var children = this.getChildren();
|
|
if(children.length){
|
|
var leftTab = children[this.isLeftToRight() ? 0 : children.length - 1].domNode,
|
|
rightTab = children[this.isLeftToRight() ? children.length - 1 : 0].domNode;
|
|
return rightTab.offsetLeft + dojo.style(rightTab, "width") - leftTab.offsetLeft;
|
|
}else{
|
|
return 0;
|
|
}
|
|
},
|
|
|
|
_enableBtn: function(width){
|
|
// summary:
|
|
// Determines if the tabs are wider than the width of the TabContainer, and
|
|
// thus that we need to display left/right/menu navigation buttons.
|
|
var tabsWidth = this._getTabsWidth();
|
|
width = width || dojo.style(this.scrollNode, "width");
|
|
return tabsWidth > 0 && width < tabsWidth;
|
|
},
|
|
|
|
resize: function(dim){
|
|
// summary:
|
|
// Hides or displays the buttons used to scroll the tab list and launch the menu
|
|
// that selects tabs.
|
|
|
|
if(this.domNode.offsetWidth == 0){
|
|
return;
|
|
}
|
|
|
|
// Save the dimensions to be used when a child is renamed.
|
|
this._dim = dim;
|
|
|
|
// Set my height to be my natural height (tall enough for one row of tab labels),
|
|
// and my content-box width based on margin-box width specified in dim parameter.
|
|
// But first reset scrollNode.height in case it was set by layoutChildren() call
|
|
// in a previous run of this method.
|
|
this.scrollNode.style.height = "auto";
|
|
this._contentBox = dijit.layout.marginBox2contentBox(this.domNode, {h: 0, w: dim.w});
|
|
this._contentBox.h = this.scrollNode.offsetHeight;
|
|
dojo.contentBox(this.domNode, this._contentBox);
|
|
|
|
// Show/hide the left/right/menu navigation buttons depending on whether or not they
|
|
// are needed.
|
|
var enable = this._enableBtn(this._contentBox.w);
|
|
this._buttons.style("display", enable ? "" : "none");
|
|
|
|
// Position and size the navigation buttons and the tablist
|
|
this._leftBtn.layoutAlign = "left";
|
|
this._rightBtn.layoutAlign = "right";
|
|
this._menuBtn.layoutAlign = this.isLeftToRight() ? "right" : "left";
|
|
dijit.layout.layoutChildren(this.domNode, this._contentBox,
|
|
[this._menuBtn, this._leftBtn, this._rightBtn, {domNode: this.scrollNode, layoutAlign: "client"}]);
|
|
|
|
// set proper scroll so that selected tab is visible
|
|
if(this._selectedTab){
|
|
if(this._anim && this._anim.status() == "playing"){
|
|
this._anim.stop();
|
|
}
|
|
var w = this.scrollNode,
|
|
sl = this._convertToScrollLeft(this._getScrollForSelectedTab());
|
|
w.scrollLeft = sl;
|
|
}
|
|
|
|
// Enable/disabled left right buttons depending on whether or not user can scroll to left or right
|
|
this._setButtonClass(this._getScroll());
|
|
|
|
this._postResize = true;
|
|
|
|
// Return my size so layoutChildren() can use it.
|
|
// Also avoids IE9 layout glitch on browser resize when scroll buttons present
|
|
return {h: this._contentBox.h, w: dim.w};
|
|
},
|
|
|
|
_getScroll: function(){
|
|
// summary:
|
|
// Returns the current scroll of the tabs where 0 means
|
|
// "scrolled all the way to the left" and some positive number, based on #
|
|
// of pixels of possible scroll (ex: 1000) means "scrolled all the way to the right"
|
|
var sl = (this.isLeftToRight() || dojo.isIE < 8 || (dojo.isIE && dojo.isQuirks) || dojo.isWebKit) ? this.scrollNode.scrollLeft :
|
|
dojo.style(this.containerNode, "width") - dojo.style(this.scrollNode, "width")
|
|
+ (dojo.isIE == 8 ? -1 : 1) * this.scrollNode.scrollLeft;
|
|
return sl;
|
|
},
|
|
|
|
_convertToScrollLeft: function(val){
|
|
// summary:
|
|
// Given a scroll value where 0 means "scrolled all the way to the left"
|
|
// and some positive number, based on # of pixels of possible scroll (ex: 1000)
|
|
// means "scrolled all the way to the right", return value to set this.scrollNode.scrollLeft
|
|
// to achieve that scroll.
|
|
//
|
|
// This method is to adjust for RTL funniness in various browsers and versions.
|
|
if(this.isLeftToRight() || dojo.isIE < 8 || (dojo.isIE && dojo.isQuirks) || dojo.isWebKit){
|
|
return val;
|
|
}else{
|
|
var maxScroll = dojo.style(this.containerNode, "width") - dojo.style(this.scrollNode, "width");
|
|
return (dojo.isIE == 8 ? -1 : 1) * (val - maxScroll);
|
|
}
|
|
},
|
|
|
|
onSelectChild: function(/*dijit._Widget*/ page){
|
|
// summary:
|
|
// Smoothly scrolls to a tab when it is selected.
|
|
|
|
var tab = this.pane2button[page.id];
|
|
if(!tab || !page){return;}
|
|
|
|
// Scroll to the selected tab, except on startup, when scrolling is handled in resize()
|
|
var node = tab.domNode;
|
|
if(this._postResize && node != this._selectedTab){
|
|
this._selectedTab = node;
|
|
|
|
var sl = this._getScroll();
|
|
|
|
if(sl > node.offsetLeft ||
|
|
sl + dojo.style(this.scrollNode, "width") <
|
|
node.offsetLeft + dojo.style(node, "width")){
|
|
this.createSmoothScroll().play();
|
|
}
|
|
}
|
|
|
|
this.inherited(arguments);
|
|
},
|
|
|
|
_getScrollBounds: function(){
|
|
// summary:
|
|
// Returns the minimum and maximum scroll setting to show the leftmost and rightmost
|
|
// tabs (respectively)
|
|
var children = this.getChildren(),
|
|
scrollNodeWidth = dojo.style(this.scrollNode, "width"), // about 500px
|
|
containerWidth = dojo.style(this.containerNode, "width"), // 50,000px
|
|
maxPossibleScroll = containerWidth - scrollNodeWidth, // scrolling until right edge of containerNode visible
|
|
tabsWidth = this._getTabsWidth();
|
|
|
|
if(children.length && tabsWidth > scrollNodeWidth){
|
|
// Scrolling should happen
|
|
return {
|
|
min: this.isLeftToRight() ? 0 : children[children.length-1].domNode.offsetLeft,
|
|
max: this.isLeftToRight() ?
|
|
(children[children.length-1].domNode.offsetLeft + dojo.style(children[children.length-1].domNode, "width")) - scrollNodeWidth :
|
|
maxPossibleScroll
|
|
};
|
|
}else{
|
|
// No scrolling needed, all tabs visible, we stay either scrolled to far left or far right (depending on dir)
|
|
var onlyScrollPosition = this.isLeftToRight() ? 0 : maxPossibleScroll;
|
|
return {
|
|
min: onlyScrollPosition,
|
|
max: onlyScrollPosition
|
|
};
|
|
}
|
|
},
|
|
|
|
_getScrollForSelectedTab: function(){
|
|
// summary:
|
|
// Returns the scroll value setting so that the selected tab
|
|
// will appear in the center
|
|
var w = this.scrollNode,
|
|
n = this._selectedTab,
|
|
scrollNodeWidth = dojo.style(this.scrollNode, "width"),
|
|
scrollBounds = this._getScrollBounds();
|
|
|
|
// TODO: scroll minimal amount (to either right or left) so that
|
|
// selected tab is fully visible, and just return if it's already visible?
|
|
var pos = (n.offsetLeft + dojo.style(n, "width")/2) - scrollNodeWidth/2;
|
|
pos = Math.min(Math.max(pos, scrollBounds.min), scrollBounds.max);
|
|
|
|
// TODO:
|
|
// If scrolling close to the left side or right side, scroll
|
|
// all the way to the left or right. See this._minScroll.
|
|
// (But need to make sure that doesn't scroll the tab out of view...)
|
|
return pos;
|
|
},
|
|
|
|
createSmoothScroll: function(x){
|
|
// summary:
|
|
// Creates a dojo._Animation object that smoothly scrolls the tab list
|
|
// either to a fixed horizontal pixel value, or to the selected tab.
|
|
// description:
|
|
// If an number argument is passed to the function, that horizontal
|
|
// pixel position is scrolled to. Otherwise the currently selected
|
|
// tab is scrolled to.
|
|
// x: Integer?
|
|
// An optional pixel value to scroll to, indicating distance from left.
|
|
|
|
// Calculate position to scroll to
|
|
if(arguments.length > 0){
|
|
// position specified by caller, just make sure it's within bounds
|
|
var scrollBounds = this._getScrollBounds();
|
|
x = Math.min(Math.max(x, scrollBounds.min), scrollBounds.max);
|
|
}else{
|
|
// scroll to center the current tab
|
|
x = this._getScrollForSelectedTab();
|
|
}
|
|
|
|
if(this._anim && this._anim.status() == "playing"){
|
|
this._anim.stop();
|
|
}
|
|
|
|
var self = this,
|
|
w = this.scrollNode,
|
|
anim = new dojo._Animation({
|
|
beforeBegin: function(){
|
|
if(this.curve){ delete this.curve; }
|
|
var oldS = w.scrollLeft,
|
|
newS = self._convertToScrollLeft(x);
|
|
anim.curve = new dojo._Line(oldS, newS);
|
|
},
|
|
onAnimate: function(val){
|
|
w.scrollLeft = val;
|
|
}
|
|
});
|
|
this._anim = anim;
|
|
|
|
// Disable/enable left/right buttons according to new scroll position
|
|
this._setButtonClass(x);
|
|
|
|
return anim; // dojo._Animation
|
|
},
|
|
|
|
_getBtnNode: function(/*Event*/ e){
|
|
// summary:
|
|
// Gets a button DOM node from a mouse click event.
|
|
// e:
|
|
// The mouse click event.
|
|
var n = e.target;
|
|
while(n && !dojo.hasClass(n, "tabStripButton")){
|
|
n = n.parentNode;
|
|
}
|
|
return n;
|
|
},
|
|
|
|
doSlideRight: function(/*Event*/ e){
|
|
// summary:
|
|
// Scrolls the menu to the right.
|
|
// e:
|
|
// The mouse click event.
|
|
this.doSlide(1, this._getBtnNode(e));
|
|
},
|
|
|
|
doSlideLeft: function(/*Event*/ e){
|
|
// summary:
|
|
// Scrolls the menu to the left.
|
|
// e:
|
|
// The mouse click event.
|
|
this.doSlide(-1,this._getBtnNode(e));
|
|
},
|
|
|
|
doSlide: function(/*Number*/ direction, /*DomNode*/ node){
|
|
// summary:
|
|
// Scrolls the tab list to the left or right by 75% of the widget width.
|
|
// direction:
|
|
// If the direction is 1, the widget scrolls to the right, if it is
|
|
// -1, it scrolls to the left.
|
|
|
|
if(node && dojo.hasClass(node, "dijitTabDisabled")){return;}
|
|
|
|
var sWidth = dojo.style(this.scrollNode, "width");
|
|
var d = (sWidth * 0.75) * direction;
|
|
|
|
var to = this._getScroll() + d;
|
|
|
|
this._setButtonClass(to);
|
|
|
|
this.createSmoothScroll(to).play();
|
|
},
|
|
|
|
_setButtonClass: function(/*Number*/ scroll){
|
|
// summary:
|
|
// Disables the left scroll button if the tabs are scrolled all the way to the left,
|
|
// or the right scroll button in the opposite case.
|
|
// scroll: Integer
|
|
// amount of horizontal scroll
|
|
|
|
var scrollBounds = this._getScrollBounds();
|
|
this._leftBtn.set("disabled", scroll <= scrollBounds.min);
|
|
this._rightBtn.set("disabled", scroll >= scrollBounds.max);
|
|
}
|
|
});
|
|
|
|
|
|
dojo.declare("dijit.layout._ScrollingTabControllerButtonMixin", null, {
|
|
baseClass: "dijitTab tabStripButton",
|
|
|
|
templateString: dojo.cache("dijit.layout", "templates/_ScrollingTabControllerButton.html", "<div dojoAttachEvent=\"onclick:_onButtonClick\">\n\t<div role=\"presentation\" class=\"dijitTabInnerDiv\" dojoattachpoint=\"innerDiv,focusNode\">\n\t\t<div role=\"presentation\" class=\"dijitTabContent dijitButtonContents\" dojoattachpoint=\"tabContent\">\n\t\t\t<img role=\"presentation\" alt=\"\" src=\"${_blankGif}\" class=\"dijitTabStripIcon\" dojoAttachPoint=\"iconNode\"/>\n\t\t\t<span dojoAttachPoint=\"containerNode,titleNode\" class=\"dijitButtonText\"></span>\n\t\t</div>\n\t</div>\n</div>\n"),
|
|
|
|
// Override inherited tabIndex: 0 from dijit.form.Button, because user shouldn't be
|
|
// able to tab to the left/right/menu buttons
|
|
tabIndex: "",
|
|
|
|
// Similarly, override FormWidget.isFocusable() because clicking a button shouldn't focus it
|
|
// either (this override avoids focus() call in FormWidget.js)
|
|
isFocusable: function(){ return false; }
|
|
});
|
|
|
|
dojo.declare("dijit.layout._ScrollingTabControllerButton",
|
|
[dijit.form.Button, dijit.layout._ScrollingTabControllerButtonMixin]);
|
|
|
|
dojo.declare(
|
|
"dijit.layout._ScrollingTabControllerMenuButton",
|
|
[dijit.form.Button, dijit._HasDropDown, dijit.layout._ScrollingTabControllerButtonMixin],
|
|
{
|
|
// id of the TabContainer itself
|
|
containerId: "",
|
|
|
|
// -1 so user can't tab into the button, but so that button can still be focused programatically.
|
|
// Because need to move focus to the button (or somewhere) before the menu is hidden or IE6 will crash.
|
|
tabIndex: "-1",
|
|
|
|
isLoaded: function(){
|
|
// recreate menu every time, in case the TabContainer's list of children (or their icons/labels) have changed
|
|
return false;
|
|
},
|
|
|
|
loadDropDown: function(callback){
|
|
this.dropDown = new dijit.Menu({
|
|
id: this.containerId + "_menu",
|
|
dir: this.dir,
|
|
lang: this.lang
|
|
});
|
|
var container = dijit.byId(this.containerId);
|
|
dojo.forEach(container.getChildren(), function(page){
|
|
var menuItem = new dijit.MenuItem({
|
|
id: page.id + "_stcMi",
|
|
label: page.title,
|
|
iconClass: page.iconClass,
|
|
dir: page.dir,
|
|
lang: page.lang,
|
|
onClick: function(){
|
|
container.selectChild(page);
|
|
}
|
|
});
|
|
this.dropDown.addChild(menuItem);
|
|
}, this);
|
|
callback();
|
|
},
|
|
|
|
closeDropDown: function(/*Boolean*/ focus){
|
|
this.inherited(arguments);
|
|
if(this.dropDown){
|
|
this.dropDown.destroyRecursive();
|
|
delete this.dropDown;
|
|
}
|
|
}
|
|
});
|
|
|
|
}
|