[6a3a178] | 1 | import { InjectionToken, Component, ViewEncapsulation, ChangeDetectionStrategy, ElementRef, Optional, Inject, Input, ContentChildren, Directive, NgModule } from '@angular/core';
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| 2 | import { setLines, MatLine, MatLineModule, MatCommonModule } from '@angular/material/core';
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| 3 | import { coerceNumberProperty } from '@angular/cdk/coercion';
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| 4 | import { Directionality } from '@angular/cdk/bidi';
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| 5 |
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| 6 | /**
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| 7 | * @license
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| 8 | * Copyright Google LLC All Rights Reserved.
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| 9 | *
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| 10 | * Use of this source code is governed by an MIT-style license that can be
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| 11 | * found in the LICENSE file at https://angular.io/license
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| 12 | */
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| 13 | /**
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| 14 | * Class for determining, from a list of tiles, the (row, col) position of each of those tiles
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| 15 | * in the grid. This is necessary (rather than just rendering the tiles in normal document flow)
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| 16 | * because the tiles can have a rowspan.
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| 17 | *
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| 18 | * The positioning algorithm greedily places each tile as soon as it encounters a gap in the grid
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| 19 | * large enough to accommodate it so that the tiles still render in the same order in which they
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| 20 | * are given.
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| 21 | *
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| 22 | * The basis of the algorithm is the use of an array to track the already placed tiles. Each
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| 23 | * element of the array corresponds to a column, and the value indicates how many cells in that
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| 24 | * column are already occupied; zero indicates an empty cell. Moving "down" to the next row
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| 25 | * decrements each value in the tracking array (indicating that the column is one cell closer to
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| 26 | * being free).
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| 27 | *
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| 28 | * @docs-private
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| 29 | */
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| 30 | class TileCoordinator {
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| 31 | constructor() {
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| 32 | /** Index at which the search for the next gap will start. */
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| 33 | this.columnIndex = 0;
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| 34 | /** The current row index. */
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| 35 | this.rowIndex = 0;
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| 36 | }
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| 37 | /** Gets the total number of rows occupied by tiles */
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| 38 | get rowCount() { return this.rowIndex + 1; }
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| 39 | /**
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| 40 | * Gets the total span of rows occupied by tiles.
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| 41 | * Ex: A list with 1 row that contains a tile with rowspan 2 will have a total rowspan of 2.
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| 42 | */
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| 43 | get rowspan() {
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| 44 | const lastRowMax = Math.max(...this.tracker);
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| 45 | // if any of the tiles has a rowspan that pushes it beyond the total row count,
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| 46 | // add the difference to the rowcount
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| 47 | return lastRowMax > 1 ? this.rowCount + lastRowMax - 1 : this.rowCount;
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| 48 | }
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| 49 | /**
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| 50 | * Updates the tile positions.
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| 51 | * @param numColumns Amount of columns in the grid.
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| 52 | * @param tiles Tiles to be positioned.
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| 53 | */
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| 54 | update(numColumns, tiles) {
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| 55 | this.columnIndex = 0;
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| 56 | this.rowIndex = 0;
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| 57 | this.tracker = new Array(numColumns);
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| 58 | this.tracker.fill(0, 0, this.tracker.length);
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| 59 | this.positions = tiles.map(tile => this._trackTile(tile));
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| 60 | }
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| 61 | /** Calculates the row and col position of a tile. */
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| 62 | _trackTile(tile) {
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| 63 | // Find a gap large enough for this tile.
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| 64 | const gapStartIndex = this._findMatchingGap(tile.colspan);
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| 65 | // Place tile in the resulting gap.
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| 66 | this._markTilePosition(gapStartIndex, tile);
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| 67 | // The next time we look for a gap, the search will start at columnIndex, which should be
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| 68 | // immediately after the tile that has just been placed.
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| 69 | this.columnIndex = gapStartIndex + tile.colspan;
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| 70 | return new TilePosition(this.rowIndex, gapStartIndex);
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| 71 | }
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| 72 | /** Finds the next available space large enough to fit the tile. */
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| 73 | _findMatchingGap(tileCols) {
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| 74 | if (tileCols > this.tracker.length && (typeof ngDevMode === 'undefined' || ngDevMode)) {
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| 75 | throw Error(`mat-grid-list: tile with colspan ${tileCols} is wider than ` +
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| 76 | `grid with cols="${this.tracker.length}".`);
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| 77 | }
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| 78 | // Start index is inclusive, end index is exclusive.
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| 79 | let gapStartIndex = -1;
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| 80 | let gapEndIndex = -1;
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| 81 | // Look for a gap large enough to fit the given tile. Empty spaces are marked with a zero.
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| 82 | do {
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| 83 | // If we've reached the end of the row, go to the next row.
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| 84 | if (this.columnIndex + tileCols > this.tracker.length) {
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| 85 | this._nextRow();
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| 86 | gapStartIndex = this.tracker.indexOf(0, this.columnIndex);
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| 87 | gapEndIndex = this._findGapEndIndex(gapStartIndex);
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| 88 | continue;
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| 89 | }
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| 90 | gapStartIndex = this.tracker.indexOf(0, this.columnIndex);
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| 91 | // If there are no more empty spaces in this row at all, move on to the next row.
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| 92 | if (gapStartIndex == -1) {
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| 93 | this._nextRow();
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| 94 | gapStartIndex = this.tracker.indexOf(0, this.columnIndex);
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| 95 | gapEndIndex = this._findGapEndIndex(gapStartIndex);
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| 96 | continue;
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| 97 | }
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| 98 | gapEndIndex = this._findGapEndIndex(gapStartIndex);
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| 99 | // If a gap large enough isn't found, we want to start looking immediately after the current
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| 100 | // gap on the next iteration.
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| 101 | this.columnIndex = gapStartIndex + 1;
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| 102 | // Continue iterating until we find a gap wide enough for this tile. Since gapEndIndex is
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| 103 | // exclusive, gapEndIndex is 0 means we didn't find a gap and should continue.
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| 104 | } while ((gapEndIndex - gapStartIndex < tileCols) || (gapEndIndex == 0));
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| 105 | // If we still didn't manage to find a gap, ensure that the index is
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| 106 | // at least zero so the tile doesn't get pulled out of the grid.
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| 107 | return Math.max(gapStartIndex, 0);
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| 108 | }
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| 109 | /** Move "down" to the next row. */
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| 110 | _nextRow() {
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| 111 | this.columnIndex = 0;
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| 112 | this.rowIndex++;
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| 113 | // Decrement all spaces by one to reflect moving down one row.
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| 114 | for (let i = 0; i < this.tracker.length; i++) {
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| 115 | this.tracker[i] = Math.max(0, this.tracker[i] - 1);
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| 116 | }
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| 117 | }
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| 118 | /**
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| 119 | * Finds the end index (exclusive) of a gap given the index from which to start looking.
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| 120 | * The gap ends when a non-zero value is found.
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| 121 | */
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| 122 | _findGapEndIndex(gapStartIndex) {
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| 123 | for (let i = gapStartIndex + 1; i < this.tracker.length; i++) {
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| 124 | if (this.tracker[i] != 0) {
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| 125 | return i;
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| 126 | }
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| 127 | }
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| 128 | // The gap ends with the end of the row.
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| 129 | return this.tracker.length;
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| 130 | }
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| 131 | /** Update the tile tracker to account for the given tile in the given space. */
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| 132 | _markTilePosition(start, tile) {
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| 133 | for (let i = 0; i < tile.colspan; i++) {
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| 134 | this.tracker[start + i] = tile.rowspan;
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| 135 | }
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| 136 | }
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| 137 | }
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| 138 | /**
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| 139 | * Simple data structure for tile position (row, col).
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| 140 | * @docs-private
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| 141 | */
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| 142 | class TilePosition {
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| 143 | constructor(row, col) {
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| 144 | this.row = row;
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| 145 | this.col = col;
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| 146 | }
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| 147 | }
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| 148 |
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| 149 | /**
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| 150 | * @license
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| 151 | * Copyright Google LLC All Rights Reserved.
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| 152 | *
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| 153 | * Use of this source code is governed by an MIT-style license that can be
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| 154 | * found in the LICENSE file at https://angular.io/license
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| 155 | */
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| 156 | /**
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| 157 | * Injection token used to provide a grid list to a tile and to avoid circular imports.
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| 158 | * @docs-private
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| 159 | */
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| 160 | const MAT_GRID_LIST = new InjectionToken('MAT_GRID_LIST');
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| 161 |
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| 162 | /**
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| 163 | * @license
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| 164 | * Copyright Google LLC All Rights Reserved.
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| 165 | *
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| 166 | * Use of this source code is governed by an MIT-style license that can be
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| 167 | * found in the LICENSE file at https://angular.io/license
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| 168 | */
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| 169 | class MatGridTile {
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| 170 | constructor(_element, _gridList) {
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| 171 | this._element = _element;
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| 172 | this._gridList = _gridList;
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| 173 | this._rowspan = 1;
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| 174 | this._colspan = 1;
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| 175 | }
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| 176 | /** Amount of rows that the grid tile takes up. */
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| 177 | get rowspan() { return this._rowspan; }
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| 178 | set rowspan(value) { this._rowspan = Math.round(coerceNumberProperty(value)); }
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| 179 | /** Amount of columns that the grid tile takes up. */
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| 180 | get colspan() { return this._colspan; }
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| 181 | set colspan(value) { this._colspan = Math.round(coerceNumberProperty(value)); }
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| 182 | /**
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| 183 | * Sets the style of the grid-tile element. Needs to be set manually to avoid
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| 184 | * "Changed after checked" errors that would occur with HostBinding.
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| 185 | */
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| 186 | _setStyle(property, value) {
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| 187 | this._element.nativeElement.style[property] = value;
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| 188 | }
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| 189 | }
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| 190 | MatGridTile.decorators = [
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| 191 | { type: Component, args: [{
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| 192 | selector: 'mat-grid-tile',
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| 193 | exportAs: 'matGridTile',
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| 194 | host: {
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| 195 | 'class': 'mat-grid-tile',
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| 196 | // Ensures that the "rowspan" and "colspan" input value is reflected in
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| 197 | // the DOM. This is needed for the grid-tile harness.
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| 198 | '[attr.rowspan]': 'rowspan',
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| 199 | '[attr.colspan]': 'colspan'
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| 200 | },
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| 201 | template: "<div class=\"mat-grid-tile-content\">\n <ng-content></ng-content>\n</div>\n",
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| 202 | encapsulation: ViewEncapsulation.None,
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| 203 | changeDetection: ChangeDetectionStrategy.OnPush,
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| 204 | styles: [".mat-grid-list{display:block;position:relative}.mat-grid-tile{display:block;position:absolute;overflow:hidden}.mat-grid-tile .mat-grid-tile-header,.mat-grid-tile .mat-grid-tile-footer{display:flex;align-items:center;height:48px;color:#fff;background:rgba(0,0,0,.38);overflow:hidden;padding:0 16px;position:absolute;left:0;right:0}.mat-grid-tile .mat-grid-tile-header>*,.mat-grid-tile .mat-grid-tile-footer>*{margin:0;padding:0;font-weight:normal;font-size:inherit}.mat-grid-tile .mat-grid-tile-header.mat-2-line,.mat-grid-tile .mat-grid-tile-footer.mat-2-line{height:68px}.mat-grid-tile .mat-grid-list-text{display:flex;flex-direction:column;flex:auto;box-sizing:border-box;overflow:hidden}.mat-grid-tile .mat-grid-list-text>*{margin:0;padding:0;font-weight:normal;font-size:inherit}.mat-grid-tile .mat-grid-list-text:empty{display:none}.mat-grid-tile .mat-grid-tile-header{top:0}.mat-grid-tile .mat-grid-tile-footer{bottom:0}.mat-grid-tile .mat-grid-avatar{padding-right:16px}[dir=rtl] .mat-grid-tile .mat-grid-avatar{padding-right:0;padding-left:16px}.mat-grid-tile .mat-grid-avatar:empty{display:none}.mat-grid-tile-content{top:0;left:0;right:0;bottom:0;position:absolute;display:flex;align-items:center;justify-content:center;height:100%;padding:0;margin:0}\n"]
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| 205 | },] }
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| 206 | ];
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| 207 | MatGridTile.ctorParameters = () => [
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| 208 | { type: ElementRef },
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| 209 | { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_GRID_LIST,] }] }
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| 210 | ];
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| 211 | MatGridTile.propDecorators = {
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| 212 | rowspan: [{ type: Input }],
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| 213 | colspan: [{ type: Input }]
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| 214 | };
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| 215 | class MatGridTileText {
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| 216 | constructor(_element) {
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| 217 | this._element = _element;
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| 218 | }
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| 219 | ngAfterContentInit() {
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| 220 | setLines(this._lines, this._element);
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| 221 | }
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| 222 | }
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| 223 | MatGridTileText.decorators = [
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| 224 | { type: Component, args: [{
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| 225 | selector: 'mat-grid-tile-header, mat-grid-tile-footer',
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| 226 | template: "<ng-content select=\"[mat-grid-avatar], [matGridAvatar]\"></ng-content>\n<div class=\"mat-grid-list-text\"><ng-content select=\"[mat-line], [matLine]\"></ng-content></div>\n<ng-content></ng-content>\n",
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| 227 | changeDetection: ChangeDetectionStrategy.OnPush,
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| 228 | encapsulation: ViewEncapsulation.None
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| 229 | },] }
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| 230 | ];
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| 231 | MatGridTileText.ctorParameters = () => [
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| 232 | { type: ElementRef }
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| 233 | ];
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| 234 | MatGridTileText.propDecorators = {
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| 235 | _lines: [{ type: ContentChildren, args: [MatLine, { descendants: true },] }]
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| 236 | };
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| 237 | /**
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| 238 | * Directive whose purpose is to add the mat- CSS styling to this selector.
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| 239 | * @docs-private
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| 240 | */
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| 241 | class MatGridAvatarCssMatStyler {
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| 242 | }
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| 243 | MatGridAvatarCssMatStyler.decorators = [
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| 244 | { type: Directive, args: [{
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| 245 | selector: '[mat-grid-avatar], [matGridAvatar]',
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| 246 | host: { 'class': 'mat-grid-avatar' }
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| 247 | },] }
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| 248 | ];
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| 249 | /**
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| 250 | * Directive whose purpose is to add the mat- CSS styling to this selector.
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| 251 | * @docs-private
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| 252 | */
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| 253 | class MatGridTileHeaderCssMatStyler {
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| 254 | }
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| 255 | MatGridTileHeaderCssMatStyler.decorators = [
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| 256 | { type: Directive, args: [{
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| 257 | selector: 'mat-grid-tile-header',
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| 258 | host: { 'class': 'mat-grid-tile-header' }
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| 259 | },] }
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| 260 | ];
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| 261 | /**
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| 262 | * Directive whose purpose is to add the mat- CSS styling to this selector.
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| 263 | * @docs-private
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| 264 | */
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| 265 | class MatGridTileFooterCssMatStyler {
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| 266 | }
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| 267 | MatGridTileFooterCssMatStyler.decorators = [
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| 268 | { type: Directive, args: [{
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| 269 | selector: 'mat-grid-tile-footer',
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| 270 | host: { 'class': 'mat-grid-tile-footer' }
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| 271 | },] }
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| 272 | ];
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| 273 |
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| 274 | /**
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| 275 | * @license
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| 276 | * Copyright Google LLC All Rights Reserved.
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| 277 | *
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| 278 | * Use of this source code is governed by an MIT-style license that can be
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| 279 | * found in the LICENSE file at https://angular.io/license
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| 280 | */
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| 281 | /**
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| 282 | * RegExp that can be used to check whether a value will
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| 283 | * be allowed inside a CSS `calc()` expression.
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| 284 | */
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| 285 | const cssCalcAllowedValue = /^-?\d+((\.\d+)?[A-Za-z%$]?)+$/;
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| 286 | /**
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| 287 | * Sets the style properties for an individual tile, given the position calculated by the
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| 288 | * Tile Coordinator.
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| 289 | * @docs-private
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| 290 | */
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| 291 | class TileStyler {
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| 292 | constructor() {
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| 293 | this._rows = 0;
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| 294 | this._rowspan = 0;
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| 295 | }
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| 296 | /**
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| 297 | * Adds grid-list layout info once it is available. Cannot be processed in the constructor
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| 298 | * because these properties haven't been calculated by that point.
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| 299 | *
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| 300 | * @param gutterSize Size of the grid's gutter.
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| 301 | * @param tracker Instance of the TileCoordinator.
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| 302 | * @param cols Amount of columns in the grid.
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| 303 | * @param direction Layout direction of the grid.
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| 304 | */
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| 305 | init(gutterSize, tracker, cols, direction) {
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| 306 | this._gutterSize = normalizeUnits(gutterSize);
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| 307 | this._rows = tracker.rowCount;
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| 308 | this._rowspan = tracker.rowspan;
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| 309 | this._cols = cols;
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| 310 | this._direction = direction;
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| 311 | }
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| 312 | /**
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| 313 | * Computes the amount of space a single 1x1 tile would take up (width or height).
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| 314 | * Used as a basis for other calculations.
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| 315 | * @param sizePercent Percent of the total grid-list space that one 1x1 tile would take up.
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| 316 | * @param gutterFraction Fraction of the gutter size taken up by one 1x1 tile.
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| 317 | * @return The size of a 1x1 tile as an expression that can be evaluated via CSS calc().
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| 318 | */
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| 319 | getBaseTileSize(sizePercent, gutterFraction) {
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| 320 | // Take the base size percent (as would be if evenly dividing the size between cells),
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| 321 | // and then subtracting the size of one gutter. However, since there are no gutters on the
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| 322 | // edges, each tile only uses a fraction (gutterShare = numGutters / numCells) of the gutter
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| 323 | // size. (Imagine having one gutter per tile, and then breaking up the extra gutter on the
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| 324 | // edge evenly among the cells).
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| 325 | return `(${sizePercent}% - (${this._gutterSize} * ${gutterFraction}))`;
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| 326 | }
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| 327 | /**
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| 328 | * Gets The horizontal or vertical position of a tile, e.g., the 'top' or 'left' property value.
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| 329 | * @param offset Number of tiles that have already been rendered in the row/column.
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| 330 | * @param baseSize Base size of a 1x1 tile (as computed in getBaseTileSize).
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| 331 | * @return Position of the tile as a CSS calc() expression.
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| 332 | */
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| 333 | getTilePosition(baseSize, offset) {
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| 334 | // The position comes the size of a 1x1 tile plus gutter for each previous tile in the
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| 335 | // row/column (offset).
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| 336 | return offset === 0 ? '0' : calc(`(${baseSize} + ${this._gutterSize}) * ${offset}`);
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| 337 | }
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| 338 | /**
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| 339 | * Gets the actual size of a tile, e.g., width or height, taking rowspan or colspan into account.
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| 340 | * @param baseSize Base size of a 1x1 tile (as computed in getBaseTileSize).
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| 341 | * @param span The tile's rowspan or colspan.
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| 342 | * @return Size of the tile as a CSS calc() expression.
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| 343 | */
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| 344 | getTileSize(baseSize, span) {
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| 345 | return `(${baseSize} * ${span}) + (${span - 1} * ${this._gutterSize})`;
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| 346 | }
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| 347 | /**
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| 348 | * Sets the style properties to be applied to a tile for the given row and column index.
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| 349 | * @param tile Tile to which to apply the styling.
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| 350 | * @param rowIndex Index of the tile's row.
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| 351 | * @param colIndex Index of the tile's column.
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| 352 | */
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| 353 | setStyle(tile, rowIndex, colIndex) {
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| 354 | // Percent of the available horizontal space that one column takes up.
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| 355 | let percentWidthPerTile = 100 / this._cols;
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| 356 | // Fraction of the vertical gutter size that each column takes up.
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| 357 | // For example, if there are 5 columns, each column uses 4/5 = 0.8 times the gutter width.
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| 358 | let gutterWidthFractionPerTile = (this._cols - 1) / this._cols;
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| 359 | this.setColStyles(tile, colIndex, percentWidthPerTile, gutterWidthFractionPerTile);
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| 360 | this.setRowStyles(tile, rowIndex, percentWidthPerTile, gutterWidthFractionPerTile);
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| 361 | }
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| 362 | /** Sets the horizontal placement of the tile in the list. */
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| 363 | setColStyles(tile, colIndex, percentWidth, gutterWidth) {
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| 364 | // Base horizontal size of a column.
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| 365 | let baseTileWidth = this.getBaseTileSize(percentWidth, gutterWidth);
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| 366 | // The width and horizontal position of each tile is always calculated the same way, but the
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---|
| 367 | // height and vertical position depends on the rowMode.
|
---|
| 368 | let side = this._direction === 'rtl' ? 'right' : 'left';
|
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| 369 | tile._setStyle(side, this.getTilePosition(baseTileWidth, colIndex));
|
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| 370 | tile._setStyle('width', calc(this.getTileSize(baseTileWidth, tile.colspan)));
|
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| 371 | }
|
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| 372 | /**
|
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| 373 | * Calculates the total size taken up by gutters across one axis of a list.
|
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| 374 | */
|
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| 375 | getGutterSpan() {
|
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| 376 | return `${this._gutterSize} * (${this._rowspan} - 1)`;
|
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| 377 | }
|
---|
| 378 | /**
|
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| 379 | * Calculates the total size taken up by tiles across one axis of a list.
|
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| 380 | * @param tileHeight Height of the tile.
|
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| 381 | */
|
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| 382 | getTileSpan(tileHeight) {
|
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| 383 | return `${this._rowspan} * ${this.getTileSize(tileHeight, 1)}`;
|
---|
| 384 | }
|
---|
| 385 | /**
|
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| 386 | * Calculates the computed height and returns the correct style property to set.
|
---|
| 387 | * This method can be implemented by each type of TileStyler.
|
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| 388 | * @docs-private
|
---|
| 389 | */
|
---|
| 390 | getComputedHeight() { return null; }
|
---|
| 391 | }
|
---|
| 392 | /**
|
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| 393 | * This type of styler is instantiated when the user passes in a fixed row height.
|
---|
| 394 | * Example `<mat-grid-list cols="3" rowHeight="100px">`
|
---|
| 395 | * @docs-private
|
---|
| 396 | */
|
---|
| 397 | class FixedTileStyler extends TileStyler {
|
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| 398 | constructor(fixedRowHeight) {
|
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| 399 | super();
|
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| 400 | this.fixedRowHeight = fixedRowHeight;
|
---|
| 401 | }
|
---|
| 402 | init(gutterSize, tracker, cols, direction) {
|
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| 403 | super.init(gutterSize, tracker, cols, direction);
|
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| 404 | this.fixedRowHeight = normalizeUnits(this.fixedRowHeight);
|
---|
| 405 | if (!cssCalcAllowedValue.test(this.fixedRowHeight) &&
|
---|
| 406 | (typeof ngDevMode === 'undefined' || ngDevMode)) {
|
---|
| 407 | throw Error(`Invalid value "${this.fixedRowHeight}" set as rowHeight.`);
|
---|
| 408 | }
|
---|
| 409 | }
|
---|
| 410 | setRowStyles(tile, rowIndex) {
|
---|
| 411 | tile._setStyle('top', this.getTilePosition(this.fixedRowHeight, rowIndex));
|
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| 412 | tile._setStyle('height', calc(this.getTileSize(this.fixedRowHeight, tile.rowspan)));
|
---|
| 413 | }
|
---|
| 414 | getComputedHeight() {
|
---|
| 415 | return [
|
---|
| 416 | 'height', calc(`${this.getTileSpan(this.fixedRowHeight)} + ${this.getGutterSpan()}`)
|
---|
| 417 | ];
|
---|
| 418 | }
|
---|
| 419 | reset(list) {
|
---|
| 420 | list._setListStyle(['height', null]);
|
---|
| 421 | if (list._tiles) {
|
---|
| 422 | list._tiles.forEach(tile => {
|
---|
| 423 | tile._setStyle('top', null);
|
---|
| 424 | tile._setStyle('height', null);
|
---|
| 425 | });
|
---|
| 426 | }
|
---|
| 427 | }
|
---|
| 428 | }
|
---|
| 429 | /**
|
---|
| 430 | * This type of styler is instantiated when the user passes in a width:height ratio
|
---|
| 431 | * for the row height. Example `<mat-grid-list cols="3" rowHeight="3:1">`
|
---|
| 432 | * @docs-private
|
---|
| 433 | */
|
---|
| 434 | class RatioTileStyler extends TileStyler {
|
---|
| 435 | constructor(value) {
|
---|
| 436 | super();
|
---|
| 437 | this._parseRatio(value);
|
---|
| 438 | }
|
---|
| 439 | setRowStyles(tile, rowIndex, percentWidth, gutterWidth) {
|
---|
| 440 | let percentHeightPerTile = percentWidth / this.rowHeightRatio;
|
---|
| 441 | this.baseTileHeight = this.getBaseTileSize(percentHeightPerTile, gutterWidth);
|
---|
| 442 | // Use padding-top and margin-top to maintain the given aspect ratio, as
|
---|
| 443 | // a percentage-based value for these properties is applied versus the *width* of the
|
---|
| 444 | // containing block. See http://www.w3.org/TR/CSS2/box.html#margin-properties
|
---|
| 445 | tile._setStyle('marginTop', this.getTilePosition(this.baseTileHeight, rowIndex));
|
---|
| 446 | tile._setStyle('paddingTop', calc(this.getTileSize(this.baseTileHeight, tile.rowspan)));
|
---|
| 447 | }
|
---|
| 448 | getComputedHeight() {
|
---|
| 449 | return [
|
---|
| 450 | 'paddingBottom', calc(`${this.getTileSpan(this.baseTileHeight)} + ${this.getGutterSpan()}`)
|
---|
| 451 | ];
|
---|
| 452 | }
|
---|
| 453 | reset(list) {
|
---|
| 454 | list._setListStyle(['paddingBottom', null]);
|
---|
| 455 | list._tiles.forEach(tile => {
|
---|
| 456 | tile._setStyle('marginTop', null);
|
---|
| 457 | tile._setStyle('paddingTop', null);
|
---|
| 458 | });
|
---|
| 459 | }
|
---|
| 460 | _parseRatio(value) {
|
---|
| 461 | const ratioParts = value.split(':');
|
---|
| 462 | if (ratioParts.length !== 2 && (typeof ngDevMode === 'undefined' || ngDevMode)) {
|
---|
| 463 | throw Error(`mat-grid-list: invalid ratio given for row-height: "${value}"`);
|
---|
| 464 | }
|
---|
| 465 | this.rowHeightRatio = parseFloat(ratioParts[0]) / parseFloat(ratioParts[1]);
|
---|
| 466 | }
|
---|
| 467 | }
|
---|
| 468 | /**
|
---|
| 469 | * This type of styler is instantiated when the user selects a "fit" row height mode.
|
---|
| 470 | * In other words, the row height will reflect the total height of the container divided
|
---|
| 471 | * by the number of rows. Example `<mat-grid-list cols="3" rowHeight="fit">`
|
---|
| 472 | *
|
---|
| 473 | * @docs-private
|
---|
| 474 | */
|
---|
| 475 | class FitTileStyler extends TileStyler {
|
---|
| 476 | setRowStyles(tile, rowIndex) {
|
---|
| 477 | // Percent of the available vertical space that one row takes up.
|
---|
| 478 | let percentHeightPerTile = 100 / this._rowspan;
|
---|
| 479 | // Fraction of the horizontal gutter size that each column takes up.
|
---|
| 480 | let gutterHeightPerTile = (this._rows - 1) / this._rows;
|
---|
| 481 | // Base vertical size of a column.
|
---|
| 482 | let baseTileHeight = this.getBaseTileSize(percentHeightPerTile, gutterHeightPerTile);
|
---|
| 483 | tile._setStyle('top', this.getTilePosition(baseTileHeight, rowIndex));
|
---|
| 484 | tile._setStyle('height', calc(this.getTileSize(baseTileHeight, tile.rowspan)));
|
---|
| 485 | }
|
---|
| 486 | reset(list) {
|
---|
| 487 | if (list._tiles) {
|
---|
| 488 | list._tiles.forEach(tile => {
|
---|
| 489 | tile._setStyle('top', null);
|
---|
| 490 | tile._setStyle('height', null);
|
---|
| 491 | });
|
---|
| 492 | }
|
---|
| 493 | }
|
---|
| 494 | }
|
---|
| 495 | /** Wraps a CSS string in a calc function */
|
---|
| 496 | function calc(exp) {
|
---|
| 497 | return `calc(${exp})`;
|
---|
| 498 | }
|
---|
| 499 | /** Appends pixels to a CSS string if no units are given. */
|
---|
| 500 | function normalizeUnits(value) {
|
---|
| 501 | return value.match(/([A-Za-z%]+)$/) ? value : `${value}px`;
|
---|
| 502 | }
|
---|
| 503 |
|
---|
| 504 | /**
|
---|
| 505 | * @license
|
---|
| 506 | * Copyright Google LLC All Rights Reserved.
|
---|
| 507 | *
|
---|
| 508 | * Use of this source code is governed by an MIT-style license that can be
|
---|
| 509 | * found in the LICENSE file at https://angular.io/license
|
---|
| 510 | */
|
---|
| 511 | // TODO(kara): Conditional (responsive) column count / row size.
|
---|
| 512 | // TODO(kara): Re-layout on window resize / media change (debounced).
|
---|
| 513 | // TODO(kara): gridTileHeader and gridTileFooter.
|
---|
| 514 | const MAT_FIT_MODE = 'fit';
|
---|
| 515 | class MatGridList {
|
---|
| 516 | constructor(_element, _dir) {
|
---|
| 517 | this._element = _element;
|
---|
| 518 | this._dir = _dir;
|
---|
| 519 | /** The amount of space between tiles. This will be something like '5px' or '2em'. */
|
---|
| 520 | this._gutter = '1px';
|
---|
| 521 | }
|
---|
| 522 | /** Amount of columns in the grid list. */
|
---|
| 523 | get cols() { return this._cols; }
|
---|
| 524 | set cols(value) {
|
---|
| 525 | this._cols = Math.max(1, Math.round(coerceNumberProperty(value)));
|
---|
| 526 | }
|
---|
| 527 | /** Size of the grid list's gutter in pixels. */
|
---|
| 528 | get gutterSize() { return this._gutter; }
|
---|
| 529 | set gutterSize(value) { this._gutter = `${value == null ? '' : value}`; }
|
---|
| 530 | /** Set internal representation of row height from the user-provided value. */
|
---|
| 531 | get rowHeight() { return this._rowHeight; }
|
---|
| 532 | set rowHeight(value) {
|
---|
| 533 | const newValue = `${value == null ? '' : value}`;
|
---|
| 534 | if (newValue !== this._rowHeight) {
|
---|
| 535 | this._rowHeight = newValue;
|
---|
| 536 | this._setTileStyler(this._rowHeight);
|
---|
| 537 | }
|
---|
| 538 | }
|
---|
| 539 | ngOnInit() {
|
---|
| 540 | this._checkCols();
|
---|
| 541 | this._checkRowHeight();
|
---|
| 542 | }
|
---|
| 543 | /**
|
---|
| 544 | * The layout calculation is fairly cheap if nothing changes, so there's little cost
|
---|
| 545 | * to run it frequently.
|
---|
| 546 | */
|
---|
| 547 | ngAfterContentChecked() {
|
---|
| 548 | this._layoutTiles();
|
---|
| 549 | }
|
---|
| 550 | /** Throw a friendly error if cols property is missing */
|
---|
| 551 | _checkCols() {
|
---|
| 552 | if (!this.cols && (typeof ngDevMode === 'undefined' || ngDevMode)) {
|
---|
| 553 | throw Error(`mat-grid-list: must pass in number of columns. ` +
|
---|
| 554 | `Example: <mat-grid-list cols="3">`);
|
---|
| 555 | }
|
---|
| 556 | }
|
---|
| 557 | /** Default to equal width:height if rowHeight property is missing */
|
---|
| 558 | _checkRowHeight() {
|
---|
| 559 | if (!this._rowHeight) {
|
---|
| 560 | this._setTileStyler('1:1');
|
---|
| 561 | }
|
---|
| 562 | }
|
---|
| 563 | /** Creates correct Tile Styler subtype based on rowHeight passed in by user */
|
---|
| 564 | _setTileStyler(rowHeight) {
|
---|
| 565 | if (this._tileStyler) {
|
---|
| 566 | this._tileStyler.reset(this);
|
---|
| 567 | }
|
---|
| 568 | if (rowHeight === MAT_FIT_MODE) {
|
---|
| 569 | this._tileStyler = new FitTileStyler();
|
---|
| 570 | }
|
---|
| 571 | else if (rowHeight && rowHeight.indexOf(':') > -1) {
|
---|
| 572 | this._tileStyler = new RatioTileStyler(rowHeight);
|
---|
| 573 | }
|
---|
| 574 | else {
|
---|
| 575 | this._tileStyler = new FixedTileStyler(rowHeight);
|
---|
| 576 | }
|
---|
| 577 | }
|
---|
| 578 | /** Computes and applies the size and position for all children grid tiles. */
|
---|
| 579 | _layoutTiles() {
|
---|
| 580 | if (!this._tileCoordinator) {
|
---|
| 581 | this._tileCoordinator = new TileCoordinator();
|
---|
| 582 | }
|
---|
| 583 | const tracker = this._tileCoordinator;
|
---|
| 584 | const tiles = this._tiles.filter(tile => !tile._gridList || tile._gridList === this);
|
---|
| 585 | const direction = this._dir ? this._dir.value : 'ltr';
|
---|
| 586 | this._tileCoordinator.update(this.cols, tiles);
|
---|
| 587 | this._tileStyler.init(this.gutterSize, tracker, this.cols, direction);
|
---|
| 588 | tiles.forEach((tile, index) => {
|
---|
| 589 | const pos = tracker.positions[index];
|
---|
| 590 | this._tileStyler.setStyle(tile, pos.row, pos.col);
|
---|
| 591 | });
|
---|
| 592 | this._setListStyle(this._tileStyler.getComputedHeight());
|
---|
| 593 | }
|
---|
| 594 | /** Sets style on the main grid-list element, given the style name and value. */
|
---|
| 595 | _setListStyle(style) {
|
---|
| 596 | if (style) {
|
---|
| 597 | this._element.nativeElement.style[style[0]] = style[1];
|
---|
| 598 | }
|
---|
| 599 | }
|
---|
| 600 | }
|
---|
| 601 | MatGridList.decorators = [
|
---|
| 602 | { type: Component, args: [{
|
---|
| 603 | selector: 'mat-grid-list',
|
---|
| 604 | exportAs: 'matGridList',
|
---|
| 605 | template: "<div>\n <ng-content></ng-content>\n</div>",
|
---|
| 606 | host: {
|
---|
| 607 | 'class': 'mat-grid-list',
|
---|
| 608 | // Ensures that the "cols" input value is reflected in the DOM. This is
|
---|
| 609 | // needed for the grid-list harness.
|
---|
| 610 | '[attr.cols]': 'cols',
|
---|
| 611 | },
|
---|
| 612 | providers: [{
|
---|
| 613 | provide: MAT_GRID_LIST,
|
---|
| 614 | useExisting: MatGridList
|
---|
| 615 | }],
|
---|
| 616 | changeDetection: ChangeDetectionStrategy.OnPush,
|
---|
| 617 | encapsulation: ViewEncapsulation.None,
|
---|
| 618 | styles: [".mat-grid-list{display:block;position:relative}.mat-grid-tile{display:block;position:absolute;overflow:hidden}.mat-grid-tile .mat-grid-tile-header,.mat-grid-tile .mat-grid-tile-footer{display:flex;align-items:center;height:48px;color:#fff;background:rgba(0,0,0,.38);overflow:hidden;padding:0 16px;position:absolute;left:0;right:0}.mat-grid-tile .mat-grid-tile-header>*,.mat-grid-tile .mat-grid-tile-footer>*{margin:0;padding:0;font-weight:normal;font-size:inherit}.mat-grid-tile .mat-grid-tile-header.mat-2-line,.mat-grid-tile .mat-grid-tile-footer.mat-2-line{height:68px}.mat-grid-tile .mat-grid-list-text{display:flex;flex-direction:column;flex:auto;box-sizing:border-box;overflow:hidden}.mat-grid-tile .mat-grid-list-text>*{margin:0;padding:0;font-weight:normal;font-size:inherit}.mat-grid-tile .mat-grid-list-text:empty{display:none}.mat-grid-tile .mat-grid-tile-header{top:0}.mat-grid-tile .mat-grid-tile-footer{bottom:0}.mat-grid-tile .mat-grid-avatar{padding-right:16px}[dir=rtl] .mat-grid-tile .mat-grid-avatar{padding-right:0;padding-left:16px}.mat-grid-tile .mat-grid-avatar:empty{display:none}.mat-grid-tile-content{top:0;left:0;right:0;bottom:0;position:absolute;display:flex;align-items:center;justify-content:center;height:100%;padding:0;margin:0}\n"]
|
---|
| 619 | },] }
|
---|
| 620 | ];
|
---|
| 621 | MatGridList.ctorParameters = () => [
|
---|
| 622 | { type: ElementRef },
|
---|
| 623 | { type: Directionality, decorators: [{ type: Optional }] }
|
---|
| 624 | ];
|
---|
| 625 | MatGridList.propDecorators = {
|
---|
| 626 | _tiles: [{ type: ContentChildren, args: [MatGridTile, { descendants: true },] }],
|
---|
| 627 | cols: [{ type: Input }],
|
---|
| 628 | gutterSize: [{ type: Input }],
|
---|
| 629 | rowHeight: [{ type: Input }]
|
---|
| 630 | };
|
---|
| 631 |
|
---|
| 632 | /**
|
---|
| 633 | * @license
|
---|
| 634 | * Copyright Google LLC All Rights Reserved.
|
---|
| 635 | *
|
---|
| 636 | * Use of this source code is governed by an MIT-style license that can be
|
---|
| 637 | * found in the LICENSE file at https://angular.io/license
|
---|
| 638 | */
|
---|
| 639 | class MatGridListModule {
|
---|
| 640 | }
|
---|
| 641 | MatGridListModule.decorators = [
|
---|
| 642 | { type: NgModule, args: [{
|
---|
| 643 | imports: [MatLineModule, MatCommonModule],
|
---|
| 644 | exports: [
|
---|
| 645 | MatGridList,
|
---|
| 646 | MatGridTile,
|
---|
| 647 | MatGridTileText,
|
---|
| 648 | MatLineModule,
|
---|
| 649 | MatCommonModule,
|
---|
| 650 | MatGridTileHeaderCssMatStyler,
|
---|
| 651 | MatGridTileFooterCssMatStyler,
|
---|
| 652 | MatGridAvatarCssMatStyler
|
---|
| 653 | ],
|
---|
| 654 | declarations: [
|
---|
| 655 | MatGridList,
|
---|
| 656 | MatGridTile,
|
---|
| 657 | MatGridTileText,
|
---|
| 658 | MatGridTileHeaderCssMatStyler,
|
---|
| 659 | MatGridTileFooterCssMatStyler,
|
---|
| 660 | MatGridAvatarCssMatStyler
|
---|
| 661 | ],
|
---|
| 662 | },] }
|
---|
| 663 | ];
|
---|
| 664 |
|
---|
| 665 | /**
|
---|
| 666 | * @license
|
---|
| 667 | * Copyright Google LLC All Rights Reserved.
|
---|
| 668 | *
|
---|
| 669 | * Use of this source code is governed by an MIT-style license that can be
|
---|
| 670 | * found in the LICENSE file at https://angular.io/license
|
---|
| 671 | */
|
---|
| 672 | // Privately exported for the grid-list harness.
|
---|
| 673 | const ɵTileCoordinator = TileCoordinator;
|
---|
| 674 |
|
---|
| 675 | /**
|
---|
| 676 | * Generated bundle index. Do not edit.
|
---|
| 677 | */
|
---|
| 678 |
|
---|
| 679 | export { MatGridAvatarCssMatStyler, MatGridList, MatGridListModule, MatGridTile, MatGridTileFooterCssMatStyler, MatGridTileHeaderCssMatStyler, MatGridTileText, ɵTileCoordinator, MAT_GRID_LIST as ɵangular_material_src_material_grid_list_grid_list_a };
|
---|
| 680 | //# sourceMappingURL=grid-list.js.map
|
---|