89 lines
2.0 KiB
JavaScript
89 lines
2.0 KiB
JavaScript
/**
|
|
* @preserve jLayout Column Layout - JavaScript Layout Algorithms v0.1
|
|
*
|
|
* Licensed under the new BSD License.
|
|
* Copyright 2008-2009, Bram Stein
|
|
* All rights reserved.
|
|
*/
|
|
/*global jLayout */
|
|
/*
|
|
(function () {
|
|
jLayout = typeof jLayout === 'undefined' ? {} : jLayout;
|
|
|
|
jLayout.column = function (options) {
|
|
var that = {},
|
|
my = {};
|
|
|
|
my.hgap = options.hgap || 0;
|
|
my.vgap = options.vgap || 0;
|
|
my.columns = options.columns || 2;
|
|
my.items = options.items || [];
|
|
my.maxHeight = options.maxHeight || -1;
|
|
|
|
that.items = function () {
|
|
var r = [];
|
|
Array.prototype.push.apply(r, my.items);
|
|
return r;
|
|
};
|
|
|
|
that.layout = function (container) {
|
|
var i = 0, j = 1,
|
|
insets = container.insets(),
|
|
x = insets.left,
|
|
y = insets.top,
|
|
rows = 0,
|
|
width = (container.bounds().width - (insets.left + insets.right) - (my.columns - 1) * my.hgap) / my.columns,
|
|
// TODO: if maxHeight is not available the height should be the height that divides the content equally over all columns.
|
|
height = my.maxHeight,
|
|
itemSize;
|
|
|
|
// container.bounds({'height': height * 4});
|
|
|
|
console.log(height);
|
|
|
|
for (; i < my.items.length; i += 1) {
|
|
my.items[i].bounds({'width': width});
|
|
}
|
|
for (i = 0; i < my.items.length; i += 1) {
|
|
itemSize = my.items[i].preferredSize();
|
|
|
|
if (y + itemSize.height + my.hgap > height) {
|
|
if (j === my.columns) {
|
|
rows += 1;
|
|
y = insets.top + my.hgap + height * rows;
|
|
x = insets.left;
|
|
j = 1;
|
|
|
|
} else {
|
|
y = insets.top + (rows * height);
|
|
x += width + my.vgap;
|
|
j += 1;
|
|
}
|
|
}
|
|
my.items[i].bounds({'x': x, 'y': y});
|
|
y += itemSize.height + my.hgap;
|
|
|
|
my.items[i].doLayout();
|
|
}
|
|
|
|
//console.log(width);
|
|
return container;
|
|
};
|
|
|
|
function typeLayout(type) {
|
|
return function (container) {
|
|
return {
|
|
width: 800,
|
|
height: 600
|
|
};
|
|
};
|
|
}
|
|
|
|
that.preferred = typeLayout('preferred');
|
|
that.minimum = typeLayout('minimum');
|
|
that.maximum = typeLayout('maximum');
|
|
|
|
return that;
|
|
};
|
|
})();*/
|