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103 lines
3.1 KiB
103 lines
3.1 KiB
/*!
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* Angular Material Design
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* https://github.com/angular/material
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* @license MIT
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* v1.1.3
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*/
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(function( window, angular, undefined ){
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"use strict";
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/**
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* @ngdoc module
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* @name material.components.content
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*
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* @description
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* Scrollable content
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*/
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mdContentDirective['$inject'] = ["$mdTheming"];
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angular.module('material.components.content', [
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'material.core'
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])
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.directive('mdContent', mdContentDirective);
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/**
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* @ngdoc directive
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* @name mdContent
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* @module material.components.content
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*
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* @restrict E
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*
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* @description
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*
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* The `<md-content>` directive is a container element useful for scrollable content. It achieves
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* this by setting the CSS `overflow` property to `auto` so that content can properly scroll.
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*
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* In general, `<md-content>` components are not designed to be nested inside one another. If
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* possible, it is better to make them siblings. This often results in a better user experience as
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* having nested scrollbars may confuse the user.
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*
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* ## Troubleshooting
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*
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* In some cases, you may wish to apply the `md-no-momentum` class to ensure that Safari's
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* momentum scrolling is disabled. Momentum scrolling can cause flickering issues while scrolling
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* SVG icons and some other components.
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*
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* Additionally, we now also offer the `md-no-flicker` class which can be applied to any element
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* and uses a Webkit-specific filter of `blur(0px)` that forces GPU rendering of all elements
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* inside (which eliminates the flicker on iOS devices).
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*
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* _<b>Note:</b> Forcing an element to render on the GPU can have unintended side-effects, especially
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* related to the z-index of elements. Please use with caution and only on the elements needed._
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*
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* @usage
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*
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* Add the `[layout-padding]` attribute to make the content padded.
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*
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* <hljs lang="html">
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* <md-content layout-padding>
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* Lorem ipsum dolor sit amet, ne quod novum mei.
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* </md-content>
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* </hljs>
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*/
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function mdContentDirective($mdTheming) {
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return {
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restrict: 'E',
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controller: ['$scope', '$element', ContentController],
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link: function(scope, element) {
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element.addClass('_md'); // private md component indicator for styling
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$mdTheming(element);
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scope.$broadcast('$mdContentLoaded', element);
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iosScrollFix(element[0]);
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}
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};
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function ContentController($scope, $element) {
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this.$scope = $scope;
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this.$element = $element;
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}
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}
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function iosScrollFix(node) {
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// IOS FIX:
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// If we scroll where there is no more room for the webview to scroll,
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// by default the webview itself will scroll up and down, this looks really
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// bad. So if we are scrolling to the very top or bottom, add/subtract one
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angular.element(node).on('$md.pressdown', function(ev) {
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// Only touch events
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if (ev.pointer.type !== 't') return;
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// Don't let a child content's touchstart ruin it for us.
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if (ev.$materialScrollFixed) return;
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ev.$materialScrollFixed = true;
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if (node.scrollTop === 0) {
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node.scrollTop = 1;
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} else if (node.scrollHeight === node.scrollTop + node.offsetHeight) {
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node.scrollTop -= 1;
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}
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});
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}
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})(window, window.angular);
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