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| 1 <!-- | |
| 2 Copyright (c) 2014 The Polymer Project Authors. All rights reserved. | |
| 3 This code may only be used under the BSD style license found at http://polymer.g
ithub.io/LICENSE.txt | |
| 4 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt | |
| 5 The complete set of contributors may be found at http://polymer.github.io/CONTRI
BUTORS.txt | |
| 6 Code distributed by Google as part of the polymer project is also | |
| 7 subject to an additional IP rights grant found at http://polymer.github.io/PATEN
TS.txt | |
| 8 --> | |
| 9 | |
| 10 <!-- | |
| 11 `paper-toast` provides lightweight feedback about an operation in a small popup | |
| 12 at the base of the screen on mobile and at the lower left on desktop. Toasts are
| |
| 13 above all other elements on screen, including the FAB. | |
| 14 | |
| 15 Toasts automatically disappear after a timeout or after user interaction | |
| 16 elsewhere on the screen, whichever comes first. Toasts can be swiped off | |
| 17 screen. There can be only one on the screen at a time. | |
| 18 | |
| 19 Example: | |
| 20 | |
| 21 <paper-toast text="Your draft has been discarded." onclick="discardDraft(el)
"></paper-toast> | |
| 22 | |
| 23 <script> | |
| 24 function discardDraft(el) { | |
| 25 el.show(); | |
| 26 } | |
| 27 </script> | |
| 28 | |
| 29 An action button can be presented in the toast. | |
| 30 | |
| 31 Example (using Polymer's data-binding features): | |
| 32 | |
| 33 <paper-toast id="toast2" text="Connection timed out. Showing limited message
s."> | |
| 34 <div style="color: blue;" on-tap="{{retry}}">Retry</div> | |
| 35 </paper-toast> | |
| 36 | |
| 37 Positioning toast: | |
| 38 | |
| 39 A standard toast appears near the lower left of the screen. You can change the | |
| 40 position by overriding bottom and left positions. | |
| 41 | |
| 42 paper-toast { | |
| 43 bottom: 40px; | |
| 44 left: 10px; | |
| 45 } | |
| 46 | |
| 47 To make it fit at the bottom of the screen: | |
| 48 | |
| 49 paper-toast { | |
| 50 bottom: 0; | |
| 51 left: 0; | |
| 52 width: 100%; | |
| 53 } | |
| 54 | |
| 55 When the screen size is smaller than the `responsiveWidth` (default to 480px), | |
| 56 the toast will automatically fits at the bottom of the screen. | |
| 57 | |
| 58 @group Paper Elements | |
| 59 @element paper-toast | |
| 60 @homepage github.io | |
| 61 --> | |
| 62 | |
| 63 <link rel="import" href="../core-overlay/core-overlay.html"> | |
| 64 <link rel="import" href="../core-transition/core-transition-css.html"> | |
| 65 <link rel="import" href="../core-media-query/core-media-query.html"> | |
| 66 | |
| 67 <polymer-element name="paper-toast" attributes="text duration opened responsiveW
idth swipeDisabled" role="status"> | |
| 68 | |
| 69 <template> | |
| 70 | |
| 71 <link rel="stylesheet" href="paper-toast.css" > | |
| 72 | |
| 73 <core-overlay autoFocusDisabled opened="{{opened}}" target="{{}}" sizingTarget
="{{$.container}}" transition="core-transition-bottom"></core-overlay> | |
| 74 | |
| 75 <div class="toast-container" horizontal layout> | |
| 76 | |
| 77 <div class="toast-text" flex>{{text}}</div> | |
| 78 | |
| 79 <div class="toast-text toast-action" on-tap="{{dismiss}}"> | |
| 80 <content></content> | |
| 81 </div> | |
| 82 | |
| 83 </div> | |
| 84 | |
| 85 <core-media-query query="max-width: {{responsiveWidth}}" queryMatches="{{narro
wMode}}"></core-media-query> | |
| 86 | |
| 87 </template> | |
| 88 <script> | |
| 89 | |
| 90 (function() { | |
| 91 | |
| 92 var currentToast; | |
| 93 | |
| 94 Polymer('paper-toast', { | |
| 95 | |
| 96 /** | |
| 97 * The text shows in a toast. | |
| 98 * | |
| 99 * @attribute text | |
| 100 * @type string | |
| 101 * @default '' | |
| 102 */ | |
| 103 text: '', | |
| 104 | |
| 105 /** | |
| 106 * The duration in milliseconds to show the toast. | |
| 107 * | |
| 108 * @attribute duration | |
| 109 * @type number | |
| 110 * @default 3000 | |
| 111 */ | |
| 112 duration: 3000, | |
| 113 | |
| 114 /** | |
| 115 * Set opened to true to show the toast and to false to hide it. | |
| 116 * | |
| 117 * @attribute opened | |
| 118 * @type boolean | |
| 119 * @default false | |
| 120 */ | |
| 121 opened: false, | |
| 122 | |
| 123 /** | |
| 124 * Min-width when the toast changes to narrow layout. In narrow layout, | |
| 125 * the toast fits at the bottom of the screen when opened. | |
| 126 * | |
| 127 * @attribute responsiveWidth | |
| 128 * @type string | |
| 129 * @default '480px' | |
| 130 */ | |
| 131 responsiveWidth: '480px', | |
| 132 | |
| 133 /** | |
| 134 * If true, the toast can't be swiped. | |
| 135 * | |
| 136 * @attribute swipeDisabled | |
| 137 * @type boolean | |
| 138 * @default false | |
| 139 */ | |
| 140 swipeDisabled: false, | |
| 141 | |
| 142 eventDelegates: { | |
| 143 trackstart: 'trackStart', | |
| 144 track: 'track', | |
| 145 trackend: 'trackEnd', | |
| 146 transitionend: 'transitionEnd' | |
| 147 }, | |
| 148 | |
| 149 narrowModeChanged: function() { | |
| 150 this.classList.toggle('fit-bottom', this.narrowMode); | |
| 151 }, | |
| 152 | |
| 153 openedChanged: function() { | |
| 154 if (this.opened) { | |
| 155 this.dismissJob = this.job(this.dismissJob, this.dismiss, this.duratio
n); | |
| 156 } else { | |
| 157 this.dismissJob && this.dismissJob.stop(); | |
| 158 this.dismiss(); | |
| 159 } | |
| 160 }, | |
| 161 | |
| 162 /** | |
| 163 * Toggle the opened state of the toast. | |
| 164 * @method toggle | |
| 165 */ | |
| 166 toggle: function() { | |
| 167 this.opened = !this.opened; | |
| 168 }, | |
| 169 | |
| 170 /** | |
| 171 * Show the toast for the specified duration | |
| 172 * @method show | |
| 173 */ | |
| 174 show: function() { | |
| 175 if (currentToast) { | |
| 176 currentToast.dismiss(); | |
| 177 } | |
| 178 currentToast = this; | |
| 179 this.opened = true; | |
| 180 }, | |
| 181 | |
| 182 /** | |
| 183 * Dismiss the toast and hide it. | |
| 184 * @method dismiss | |
| 185 */ | |
| 186 dismiss: function() { | |
| 187 if (this.dragging) { | |
| 188 this.shouldDismiss = true; | |
| 189 } else { | |
| 190 this.opened = false; | |
| 191 if (currentToast === this) { | |
| 192 currentToast = null; | |
| 193 } | |
| 194 } | |
| 195 }, | |
| 196 | |
| 197 trackStart: function(e) { | |
| 198 if (!this.swipeDisabled) { | |
| 199 e.preventTap(); | |
| 200 this.vertical = e.yDirection; | |
| 201 this.w = this.offsetWidth; | |
| 202 this.h = this.offsetHeight; | |
| 203 this.dragging = true; | |
| 204 this.classList.add('dragging'); | |
| 205 } | |
| 206 }, | |
| 207 | |
| 208 track: function(e) { | |
| 209 if (this.dragging) { | |
| 210 var s = this.style; | |
| 211 if (this.vertical) { | |
| 212 var y = e.dy; | |
| 213 s.opacity = (this.h - Math.abs(y)) / this.h; | |
| 214 s.webkitTransform = s.transform = 'translate3d(0, ' + y + 'px, 0)'; | |
| 215 } else { | |
| 216 var x = e.dx; | |
| 217 s.opacity = (this.w - Math.abs(x)) / this.w; | |
| 218 s.webkitTransform = s.transform = 'translate3d(' + x + 'px, 0, 0)'; | |
| 219 } | |
| 220 } | |
| 221 }, | |
| 222 | |
| 223 trackEnd: function(e) { | |
| 224 if (this.dragging) { | |
| 225 this.classList.remove('dragging'); | |
| 226 this.style.opacity = null; | |
| 227 this.style.webkitTransform = this.style.transform = null; | |
| 228 var cl = this.classList; | |
| 229 if (this.vertical) { | |
| 230 cl.toggle('fade-out-down', e.yDirection === 1 && e.dy > 0); | |
| 231 cl.toggle('fade-out-up', e.yDirection === -1 && e.dy < 0); | |
| 232 } else { | |
| 233 cl.toggle('fade-out-right', e.xDirection === 1 && e.dx > 0); | |
| 234 cl.toggle('fade-out-left', e.xDirection === -1 && e.dx < 0); | |
| 235 } | |
| 236 this.dragging = false; | |
| 237 } | |
| 238 }, | |
| 239 | |
| 240 transitionEnd: function() { | |
| 241 var cl = this.classList; | |
| 242 if (cl.contains('fade-out-right') || cl.contains('fade-out-left') || | |
| 243 cl.contains('fade-out-down') || cl.contains('fade-out-up')) { | |
| 244 this.dismiss(); | |
| 245 cl.remove('fade-out-right', 'fade-out-left', | |
| 246 'fade-out-down', 'fade-out-up'); | |
| 247 } else if (this.shouldDismiss) { | |
| 248 this.dismiss(); | |
| 249 } | |
| 250 this.shouldDismiss = false; | |
| 251 } | |
| 252 | |
| 253 }); | |
| 254 | |
| 255 })(); | |
| 256 | |
| 257 </script> | |
| 258 </polymer-element> | |
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