silverstripe-framework/admin/thirdparty/jlayout/lib/jlayout.border.js

137 lines
3.3 KiB
JavaScript
Executable File

/**
* @preserve jLayout Border Layout - JavaScript Layout Algorithms v0.4
*
* Licensed under the new BSD License.
* Copyright 2008-2009, Bram Stein
* All rights reserved.
*/
/*global jLayout:true */
(function () {
jLayout = (typeof jLayout === 'undefined') ? {} : jLayout;
jLayout.border = function (spec) {
var my = {},
that = {},
east = spec.east,
west = spec.west,
north = spec.north,
south = spec.south,
center = spec.center;
my.hgap = spec.hgap || 0;
my.vgap = spec.vgap || 0;
that.items = function () {
var items = [];
if (east) {
items.push(east);
}
if (west) {
items.push(west);
}
if (north) {
items.push(north);
}
if (south) {
items.push(south);
}
if (center) {
items.push(center);
}
return items;
};
that.layout = function (container) {
var size = container.bounds(),
insets = container.insets(),
top = insets.top,
bottom = size.height - insets.bottom,
left = insets.left,
right = size.width - insets.right,
tmp;
if (north && north.isVisible()) {
tmp = north.preferredSize();
north.bounds({'x': left, 'y': top, 'width': right - left, 'height': tmp.height});
north.doLayout();
top += tmp.height + my.vgap;
}
if (south && south.isVisible()) {
tmp = south.preferredSize();
south.bounds({'x': left, 'y': bottom - tmp.height, 'width': right - left, 'height': tmp.height});
south.doLayout();
bottom -= tmp.height + my.vgap;
}
if (east && east.isVisible()) {
tmp = east.preferredSize();
east.bounds({'x': right - tmp.width, 'y': top, 'width': tmp.width, 'height': bottom - top});
east.doLayout();
right -= tmp.width + my.hgap;
}
if (west && west.isVisible()) {
tmp = west.preferredSize();
west.bounds({'x': left, 'y': top, 'width': tmp.width, 'height': bottom - top});
west.doLayout();
left += tmp.width + my.hgap;
}
if (center && center.isVisible()) {
center.bounds({'x': left, 'y': top, 'width': right - left, 'height': bottom - top});
center.doLayout();
}
return container;
};
function typeLayout(type) {
return function (container) {
var insets = container.insets(),
width = 0,
height = 0,
type_size;
if (east && east.isVisible()) {
type_size = east[type + 'Size']();
width += type_size.width + my.hgap;
height = type_size.height;
}
if (west && west.isVisible()) {
type_size = west[type + 'Size']();
width += type_size.width + my.hgap;
height = Math.max(type_size.height, height);
}
if (center && center.isVisible()) {
type_size = center[type + 'Size']();
width += type_size.width;
height = Math.max(type_size.height, height);
}
if (north && north.isVisible()) {
type_size = north[type + 'Size']();
width = Math.max(type_size.width, width);
height += type_size.height + my.vgap;
}
if (south && south.isVisible()) {
type_size = south[type + 'Size']();
width = Math.max(type_size.width, width);
height += type_size.height + my.vgap;
}
return {
'width': width + insets.left + insets.right,
'height': height + insets.top + insets.bottom
};
};
}
that.preferred = typeLayout('preferred');
that.minimum = typeLayout('minimum');
that.maximum = typeLayout('maximum');
return that;
};
}());