From f3bc06001f660ef156e0895f4be1e81a0ac99502 Mon Sep 17 00:00:00 2001 From: Minkyu Kang Date: Mon, 10 Sep 2012 17:04:29 +0900 Subject: Revert "Export" This reverts commit b087adb7b7df900f9656425e5cea9dc7abdf935b. --- libs/js/jlayout/jlayout.flow.js | 127 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 libs/js/jlayout/jlayout.flow.js (limited to 'libs/js/jlayout/jlayout.flow.js') diff --git a/libs/js/jlayout/jlayout.flow.js b/libs/js/jlayout/jlayout.flow.js new file mode 100644 index 00000000..68895a41 --- /dev/null +++ b/libs/js/jlayout/jlayout.flow.js @@ -0,0 +1,127 @@ +/*! + * jLayout Flow Layout - JavaScript Layout Algorithms v0.12 + * + * Licensed under the new BSD License. + * Copyright 2008-2009, Bram Stein + * All rights reserved. + */ +/*global jLayout */ +(function () { + jLayout = typeof jLayout === 'undefined' ? {} : jLayout; + + jLayout.flow = function (options) { + var my = {}, + that = {}; + + + my.hgap = typeof options.hgap === 'number' && !isNaN(options.hgap) ? options.hgap : 5; + my.vgap = typeof options.vgap === 'number' && !isNaN(options.vgap) ? options.vgap : 5; + my.items = options.items || []; + my.alignment = (options.alignment && (options.alignment === 'center' || options.alignment === 'right' || options.alignment === 'left') && options.alignment) || 'left'; + + that.items = function () { + var r = []; + Array.prototype.push.apply(r, my.items); + return r; + }; + + that.layout = function (container) { + var parentSize = container.bounds(), + insets = container.insets(), + i = 0, + len = my.items.length, + itemSize, + currentRow = [], + rowSize = { + width: 0, + height: 0 + }, + offset = { + x: insets.left, + y: insets.top + }; + + parentSize.width -= insets.left + insets.right; + parentSize.height -= insets.top + insets.bottom; + + for (; i < len; i += 1) { + if (my.items[i].isVisible()) { + itemSize = my.items[i].preferredSize(); + + if ((rowSize.width + itemSize.width) > parentSize.width) { + align(currentRow, offset, rowSize, parentSize); + + currentRow = []; + offset.y += rowSize.height; + offset.x = insets.left; + rowSize.width = 0; + rowSize.height = 0; + } + rowSize.height = Math.max(rowSize.height, itemSize.height + my.vgap); + rowSize.width += itemSize.width + my.hgap; + + currentRow.push(my.items[i]); + } + } + align(currentRow, offset, rowSize, parentSize); + return container; + }; + + function align(row, offset, rowSize, parentSize) { + var location = { + x: offset.x, + y: offset.y + }, + i = 0, + len = row.length; + + switch (my.alignment) { + case 'center': { + location.x += (my.hgap + parentSize.width - rowSize.width) / 2; + break; + } + case 'right': { + location.x += parentSize.width - rowSize.width + my.hgap; + break; + } + } + + for (; i < len; i += 1) { + location.y = offset.y; + row[i].bounds(location); + row[i].doLayout(); + location.x += row[i].bounds().width + my.hgap; + } + } + + function typeLayout(type) { + return function (container) { + var i = 0, + width = 0, + height = 0, + typeSize, + firstComponent = false, + insets = container.insets(); + + for (; i < my.items.length; i += 1) { + if (my.items[i].isVisible()) { + typeSize = my.items[i][type + 'Size'](); + height = Math.max(height, typeSize.height); + width += typeSize.width; + } + } + + return { + 'width': width + insets.left + insets.right + (my.items.length - 1) * my.hgap, + 'height': height + insets.top + insets.bottom + }; + }; + } + + that.preferred = typeLayout('preferred'); + that.minimum = typeLayout('minimum'); + that.maximum = typeLayout('maximum'); + + return that; + }; +})(); -- cgit v1.2.3