122 lines
4 KiB
JavaScript
122 lines
4 KiB
JavaScript
|
/*
|
||
|
|
Copyright (c) 2004-2006, The Dojo Foundation
|
||
|
|
All Rights Reserved.
|
||
|
|
|
||
|
|
Licensed under the Academic Free License version 2.1 or above OR the
|
||
|
|
modified BSD license. For more information on Dojo licensing, see:
|
||
|
|
|
||
|
|
http://dojotoolkit.org/community/licensing.shtml
|
||
|
|
*/
|
||
|
|
|
||
|
|
dojo.provide("dojo.html.layout");
|
||
|
|
|
||
|
|
dojo.require("dojo.lang");
|
||
|
|
dojo.require("dojo.string");
|
||
|
|
dojo.require("dojo.style");
|
||
|
|
dojo.require("dojo.html");
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Layout a bunch of child dom nodes within a parent dom node
|
||
|
|
* Input is an array of objects like:
|
||
|
|
* @ container - parent node
|
||
|
|
* @ layoutPriority - "top-bottom" or "left-right"
|
||
|
|
* @ children an array like [ {domNode: foo, layoutAlign: "bottom" }, {domNode: bar, layoutAlign: "client"} ]
|
||
|
|
*/
|
||
|
|
dojo.html.layout = function(container, children, layoutPriority) {
|
||
|
|
dojo.html.addClass(container, "dojoLayoutContainer");
|
||
|
|
|
||
|
|
// Copy children array and remove elements w/out layout.
|
||
|
|
// Also record each child's position in the input array, for sorting purposes.
|
||
|
|
children = dojo.lang.filter(children, function(child, idx){
|
||
|
|
child.idx = idx;
|
||
|
|
return dojo.lang.inArray(["top","bottom","left","right","client","flood"], child.layoutAlign)
|
||
|
|
});
|
||
|
|
|
||
|
|
// Order the children according to layoutPriority.
|
||
|
|
// Multiple children w/the same layoutPriority will be sorted by their position in the input array.
|
||
|
|
if(layoutPriority && layoutPriority!="none"){
|
||
|
|
var rank = function(child){
|
||
|
|
switch(child.layoutAlign){
|
||
|
|
case "flood":
|
||
|
|
return 1;
|
||
|
|
case "left":
|
||
|
|
case "right":
|
||
|
|
return (layoutPriority=="left-right") ? 2 : 3;
|
||
|
|
case "top":
|
||
|
|
case "bottom":
|
||
|
|
return (layoutPriority=="left-right") ? 3 : 2;
|
||
|
|
default:
|
||
|
|
return 4;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
children.sort(function(a,b){
|
||
|
|
return (rank(a)-rank(b)) || (a.idx - b.idx);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// remaining space (blank area where nothing has been written)
|
||
|
|
var f={
|
||
|
|
top: dojo.style.getPixelValue(container, "padding-top", true),
|
||
|
|
left: dojo.style.getPixelValue(container, "padding-left", true),
|
||
|
|
height: dojo.style.getContentHeight(container),
|
||
|
|
width: dojo.style.getContentWidth(container)
|
||
|
|
};
|
||
|
|
|
||
|
|
// set positions/sizes
|
||
|
|
dojo.lang.forEach(children, function(child){
|
||
|
|
var elm=child.domNode;
|
||
|
|
var pos=child.layoutAlign;
|
||
|
|
// set elem to upper left corner of unused space; may move it later
|
||
|
|
with(elm.style){
|
||
|
|
left = f.left+"px";
|
||
|
|
top = f.top+"px";
|
||
|
|
bottom = "auto";
|
||
|
|
right = "auto";
|
||
|
|
}
|
||
|
|
dojo.html.addClass(elm, "dojoAlign" + dojo.string.capitalize(pos));
|
||
|
|
|
||
|
|
// set size && adjust record of remaining space.
|
||
|
|
// note that setting the width of a <div> may affect it's height.
|
||
|
|
// TODO: same is true for widgets but need to implement API to support that
|
||
|
|
if ( (pos=="top")||(pos=="bottom") ) {
|
||
|
|
dojo.style.setOuterWidth(elm, f.width);
|
||
|
|
var h = dojo.style.getOuterHeight(elm);
|
||
|
|
f.height -= h;
|
||
|
|
if(pos=="top"){
|
||
|
|
f.top += h;
|
||
|
|
}else{
|
||
|
|
elm.style.top = f.top + f.height + "px";
|
||
|
|
}
|
||
|
|
}else if(pos=="left" || pos=="right"){
|
||
|
|
dojo.style.setOuterHeight(elm, f.height);
|
||
|
|
var w = dojo.style.getOuterWidth(elm);
|
||
|
|
f.width -= w;
|
||
|
|
if(pos=="left"){
|
||
|
|
f.left += w;
|
||
|
|
}else{
|
||
|
|
elm.style.left = f.left + f.width + "px";
|
||
|
|
}
|
||
|
|
} else if(pos=="flood" || pos=="client"){
|
||
|
|
dojo.style.setOuterWidth(elm, f.width);
|
||
|
|
dojo.style.setOuterHeight(elm, f.height);
|
||
|
|
}
|
||
|
|
|
||
|
|
// TODO: for widgets I want to call resizeTo(), but for top/bottom
|
||
|
|
// alignment I only want to set the width, and have the size determined
|
||
|
|
// dynamically. (The thinner you make a div, the more height it consumes.)
|
||
|
|
if(child.onResized){
|
||
|
|
child.onResized();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
// This is essential CSS to make layout work (it isn't "styling" CSS)
|
||
|
|
// make sure that the position:absolute in dojoAlign* overrides other classes
|
||
|
|
dojo.style.insertCssText(
|
||
|
|
".dojoLayoutContainer{ position: relative; display: block; }\n" +
|
||
|
|
"body .dojoAlignTop, body .dojoAlignBottom, body .dojoAlignLeft, body .dojoAlignRight { position: absolute; overflow: hidden; }\n" +
|
||
|
|
"body .dojoAlignClient { position: absolute }\n" +
|
||
|
|
".dojoAlignClient { overflow: auto; }\n"
|
||
|
|
);
|
||
|
|
|