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File: public/js/tinymce/src/ui/src/main/js/GridLayout.js

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File: public/js/tinymce/src/ui/src/main/js/GridLayout.js
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/** * GridLayout.js * * Released under LGPL License. * Copyright (c) 1999-2017 Ephox Corp. All rights reserved * * License: http://www.tinymce.com/license * Contributing: http://www.tinymce.com/contributing */ /** * This layout manager places controls in a grid. * * @setting {Number} spacing Spacing between controls. * @setting {Number} spacingH Horizontal spacing between controls. * @setting {Number} spacingV Vertical spacing between controls. * @setting {Number} columns Number of columns to use. * @setting {String/Array} alignH start|end|center|stretch or array of values for each column. * @setting {String/Array} alignV start|end|center|stretch or array of values for each column. * @setting {String} pack start|end * * @class tinymce.ui.GridLayout * @extends tinymce.ui.AbsoluteLayout */ define( 'tinymce.ui.GridLayout', [ "tinymce.ui.AbsoluteLayout" ], function (AbsoluteLayout) { "use strict"; return AbsoluteLayout.extend({ /** * Recalculates the positions of the controls in the specified container. * * @method recalc * @param {tinymce.ui.Container} container Container instance to recalc. */ recalc: function (container) { var settings, rows, cols, items, contLayoutRect, width, height, rect, ctrlLayoutRect, ctrl, x, y, posX, posY, ctrlSettings, contPaddingBox, align, spacingH, spacingV, alignH, alignV, maxX, maxY, colWidths = [], rowHeights = [], ctrlMinWidth, ctrlMinHeight, availableWidth, availableHeight, reverseRows, idx; // Get layout settings settings = container.settings; items = container.items().filter(':visible'); contLayoutRect = container.layoutRect(); cols = settings.columns || Math.ceil(Math.sqrt(items.length)); rows = Math.ceil(items.length / cols); spacingH = settings.spacingH || settings.spacing || 0; spacingV = settings.spacingV || settings.spacing || 0; alignH = settings.alignH || settings.align; alignV = settings.alignV || settings.align; contPaddingBox = container.paddingBox; reverseRows = 'reverseRows' in settings ? settings.reverseRows : container.isRtl(); if (alignH && typeof alignH == "string") { alignH = [alignH]; } if (alignV && typeof alignV == "string") { alignV = [alignV]; } // Zero padd columnWidths for (x = 0; x < cols; x++) { colWidths.push(0); } // Zero padd rowHeights for (y = 0; y < rows; y++) { rowHeights.push(0); } // Calculate columnWidths and rowHeights for (y = 0; y < rows; y++) { for (x = 0; x < cols; x++) { ctrl = items[y * cols + x]; // Out of bounds if (!ctrl) { break; } ctrlLayoutRect = ctrl.layoutRect(); ctrlMinWidth = ctrlLayoutRect.minW; ctrlMinHeight = ctrlLayoutRect.minH; colWidths[x] = ctrlMinWidth > colWidths[x] ? ctrlMinWidth : colWidths[x]; rowHeights[y] = ctrlMinHeight > rowHeights[y] ? ctrlMinHeight : rowHeights[y]; } } // Calculate maxX availableWidth = contLayoutRect.innerW - contPaddingBox.left - contPaddingBox.right; for (maxX = 0, x = 0; x < cols; x++) { maxX += colWidths[x] + (x > 0 ? spacingH : 0); availableWidth -= (x > 0 ? spacingH : 0) + colWidths[x]; } // Calculate maxY availableHeight = contLayoutRect.innerH - contPaddingBox.top - contPaddingBox.bottom; for (maxY = 0, y = 0; y < rows; y++) { maxY += rowHeights[y] + (y > 0 ? spacingV : 0); availableHeight -= (y > 0 ? spacingV : 0) + rowHeights[y]; } maxX += contPaddingBox.left + contPaddingBox.right; maxY += contPaddingBox.top + contPaddingBox.bottom; // Calculate minW/minH rect = {}; rect.minW = maxX + (contLayoutRect.w - contLayoutRect.innerW); rect.minH = maxY + (contLayoutRect.h - contLayoutRect.innerH); rect.contentW = rect.minW - contLayoutRect.deltaW; rect.contentH = rect.minH - contLayoutRect.deltaH; rect.minW = Math.min(rect.minW, contLayoutRect.maxW); rect.minH = Math.min(rect.minH, contLayoutRect.maxH); rect.minW = Math.max(rect.minW, contLayoutRect.startMinWidth); rect.minH = Math.max(rect.minH, contLayoutRect.startMinHeight); // Resize container container if minSize was changed if (contLayoutRect.autoResize && (rect.minW != contLayoutRect.minW || rect.minH != contLayoutRect.minH)) { rect.w = rect.minW; rect.h = rect.minH; container.layoutRect(rect); this.recalc(container); // Forced recalc for example if items are hidden/shown if (container._lastRect === null) { var parentCtrl = container.parent(); if (parentCtrl) { parentCtrl._lastRect = null; parentCtrl.recalc(); } } return; } // Update contentW/contentH so absEnd moves correctly if (contLayoutRect.autoResize) { rect = container.layoutRect(rect); rect.contentW = rect.minW - contLayoutRect.deltaW; rect.contentH = rect.minH - contLayoutRect.deltaH; } var flexV; if (settings.packV == 'start') { flexV = 0; } else { flexV = availableHeight > 0 ? Math.floor(availableHeight / rows) : 0; } // Calculate totalFlex var totalFlex = 0; var flexWidths = settings.flexWidths; if (flexWidths) { for (x = 0; x < flexWidths.length; x++) { totalFlex += flexWidths[x]; } } else { totalFlex = cols; } // Calculate new column widths based on flex values var ratio = availableWidth / totalFlex; for (x = 0; x < cols; x++) { colWidths[x] += flexWidths ? flexWidths[x] * ratio : ratio; } // Move/resize controls posY = contPaddingBox.top; for (y = 0; y < rows; y++) { posX = contPaddingBox.left; height = rowHeights[y] + flexV; for (x = 0; x < cols; x++) { if (reverseRows) { idx = y * cols + cols - 1 - x; } else { idx = y * cols + x; } ctrl = items[idx]; // No more controls to render then break if (!ctrl) { break; } // Get control settings and calculate x, y ctrlSettings = ctrl.settings; ctrlLayoutRect = ctrl.layoutRect(); width = Math.max(colWidths[x], ctrlLayoutRect.startMinWidth); ctrlLayoutRect.x = posX; ctrlLayoutRect.y = posY; // Align control horizontal align = ctrlSettings.alignH || (alignH ? (alignH[x] || alignH[0]) : null); if (align == "center") { ctrlLayoutRect.x = posX + (width / 2) - (ctrlLayoutRect.w / 2); } else if (align == "right") { ctrlLayoutRect.x = posX + width - ctrlLayoutRect.w; } else if (align == "stretch") { ctrlLayoutRect.w = width; } // Align control vertical align = ctrlSettings.alignV || (alignV ? (alignV[x] || alignV[0]) : null); if (align == "center") { ctrlLayoutRect.y = posY + (height / 2) - (ctrlLayoutRect.h / 2); } else if (align == "bottom") { ctrlLayoutRect.y = posY + height - ctrlLayoutRect.h; } else if (align == "stretch") { ctrlLayoutRect.h = height; } ctrl.layoutRect(ctrlLayoutRect); posX += width + spacingH; if (ctrl.recalc) { ctrl.recalc(); } } posY += height + spacingV; } } }); } );