Neues Initialrelease mit IonicMaterial
This commit is contained in:
Carsten Hilmer
21
www/lib/angular-material/modules/closure/sticky/sticky.css
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21
www/lib/angular-material/modules/closure/sticky/sticky.css
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/*!
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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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* v0.10.0
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*/
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/* mixin definition ; sets LTR and RTL within the same style call */
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.md-sticky-clone {
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z-index: 2;
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top: 0;
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left: 0;
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right: 0;
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position: absolute !important;
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-webkit-transform: translate3d(-9999px, -9999px, 0);
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transform: translate3d(-9999px, -9999px, 0); }
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.md-sticky-clone[sticky-state="active"] {
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-webkit-transform: translate3d(0, 0, 0);
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transform: translate3d(0, 0, 0); }
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.md-sticky-clone[sticky-state="active"]:not(.md-sticky-no-effect) .md-subheader-inner {
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-webkit-animation: subheaderStickyHoverIn 0.3s ease-out both;
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animation: subheaderStickyHoverIn 0.3s ease-out both; }
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315
www/lib/angular-material/modules/closure/sticky/sticky.js
vendored
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www/lib/angular-material/modules/closure/sticky/sticky.js
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/*!
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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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* v0.10.0
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*/
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goog.provide('ng.material.components.sticky');
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goog.require('ng.material.components.content');
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goog.require('ng.material.core');
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/*
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* @ngdoc module
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* @name material.components.sticky
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* @description
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*
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* Sticky effects for md
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*/
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angular.module('material.components.sticky', [
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'material.core',
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'material.components.content'
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])
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.factory('$mdSticky', MdSticky);
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/*
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* @ngdoc service
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* @name $mdSticky
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* @module material.components.sticky
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*
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* @description
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* The `$mdSticky`service provides a mixin to make elements sticky.
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*
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* @returns A `$mdSticky` function that takes three arguments:
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* - `scope`
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* - `element`: The element that will be 'sticky'
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* - `elementClone`: A clone of the element, that will be shown
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* when the user starts scrolling past the original element.
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* If not provided, it will use the result of `element.clone()`.
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*/
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function MdSticky($document, $mdConstant, $compile, $$rAF, $mdUtil) {
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var browserStickySupport = checkStickySupport();
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/**
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* Registers an element as sticky, used internally by directives to register themselves
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*/
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return function registerStickyElement(scope, element, stickyClone) {
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var contentCtrl = element.controller('mdContent');
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if (!contentCtrl) return;
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if (browserStickySupport) {
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element.css({
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position: browserStickySupport,
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top: 0,
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'z-index': 2
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});
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} else {
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var $$sticky = contentCtrl.$element.data('$$sticky');
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if (!$$sticky) {
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$$sticky = setupSticky(contentCtrl);
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contentCtrl.$element.data('$$sticky', $$sticky);
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}
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var deregister = $$sticky.add(element, stickyClone || element.clone());
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scope.$on('$destroy', deregister);
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}
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};
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function setupSticky(contentCtrl) {
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var contentEl = contentCtrl.$element;
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// Refresh elements is very expensive, so we use the debounced
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// version when possible.
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var debouncedRefreshElements = $$rAF.throttle(refreshElements);
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// setupAugmentedScrollEvents gives us `$scrollstart` and `$scroll`,
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// more reliable than `scroll` on android.
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setupAugmentedScrollEvents(contentEl);
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contentEl.on('$scrollstart', debouncedRefreshElements);
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contentEl.on('$scroll', onScroll);
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var self;
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var stickyBaseoffset = contentEl.prop('offsetTop');
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return self = {
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prev: null,
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current: null, //the currently stickied item
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next: null,
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items: [],
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add: add,
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refreshElements: refreshElements
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};
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/***************
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* Public
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***************/
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// Add an element and its sticky clone to this content's sticky collection
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function add(element, stickyClone) {
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stickyClone.addClass('md-sticky-clone');
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stickyClone.css('top', stickyBaseoffset + 'px');
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var item = {
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element: element,
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clone: stickyClone
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};
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self.items.push(item);
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contentEl.parent().prepend(item.clone);
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debouncedRefreshElements();
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return function remove() {
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self.items.forEach(function(item, index) {
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if (item.element[0] === element[0]) {
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self.items.splice(index, 1);
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item.clone.remove();
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}
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});
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debouncedRefreshElements();
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};
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}
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function refreshElements() {
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// Sort our collection of elements by their current position in the DOM.
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// We need to do this because our elements' order of being added may not
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// be the same as their order of display.
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self.items.forEach(refreshPosition);
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self.items = self.items.sort(function(a, b) {
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return a.top < b.top ? -1 : 1;
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});
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// Find which item in the list should be active,
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// based upon the content's current scroll position
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var item;
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var currentScrollTop = contentEl.prop('scrollTop');
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for (var i = self.items.length - 1; i >= 0; i--) {
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if (currentScrollTop > self.items[i].top) {
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item = self.items[i];
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break;
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}
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}
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setCurrentItem(item);
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}
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/***************
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* Private
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***************/
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// Find the `top` of an item relative to the content element,
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// and also the height.
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function refreshPosition(item) {
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// Find the top of an item by adding to the offsetHeight until we reach the
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// content element.
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var current = item.element[0];
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item.top = 0;
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item.left = 0;
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while (current && current !== contentEl[0]) {
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item.top += current.offsetTop;
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item.left += current.offsetLeft;
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current = current.offsetParent;
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}
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item.height = item.element.prop('offsetHeight');
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item.clone.css('margin-left', item.left + 'px');
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if ($mdUtil.floatingScrollbars()) {
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item.clone.css('margin-right', '0');
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}
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}
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// As we scroll, push in and select the correct sticky element.
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function onScroll() {
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var scrollTop = contentEl.prop('scrollTop');
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var isScrollingDown = scrollTop > (onScroll.prevScrollTop || 0);
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onScroll.prevScrollTop = scrollTop;
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// At the top?
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if (scrollTop === 0) {
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setCurrentItem(null);
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// Going to next item?
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} else if (isScrollingDown && self.next) {
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if (self.next.top - scrollTop <= 0) {
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// Sticky the next item if we've scrolled past its position.
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setCurrentItem(self.next);
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} else if (self.current) {
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// Push the current item up when we're almost at the next item.
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if (self.next.top - scrollTop <= self.next.height) {
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translate(self.current, self.next.top - self.next.height - scrollTop);
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} else {
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translate(self.current, null);
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}
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}
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// Scrolling up with a current sticky item?
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} else if (!isScrollingDown && self.current) {
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if (scrollTop < self.current.top) {
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// Sticky the previous item if we've scrolled up past
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// the original position of the currently stickied item.
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setCurrentItem(self.prev);
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}
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// Scrolling up, and just bumping into the item above (just set to current)?
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// If we have a next item bumping into the current item, translate
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// the current item up from the top as it scrolls into view.
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if (self.current && self.next) {
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if (scrollTop >= self.next.top - self.current.height) {
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translate(self.current, self.next.top - scrollTop - self.current.height);
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} else {
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translate(self.current, null);
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}
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}
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}
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}
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function setCurrentItem(item) {
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if (self.current === item) return;
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// Deactivate currently active item
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if (self.current) {
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translate(self.current, null);
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setStickyState(self.current, null);
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}
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// Activate new item if given
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if (item) {
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setStickyState(item, 'active');
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}
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self.current = item;
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var index = self.items.indexOf(item);
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// If index === -1, index + 1 = 0. It works out.
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self.next = self.items[index + 1];
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self.prev = self.items[index - 1];
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setStickyState(self.next, 'next');
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setStickyState(self.prev, 'prev');
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}
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function setStickyState(item, state) {
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if (!item || item.state === state) return;
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if (item.state) {
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item.clone.attr('sticky-prev-state', item.state);
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item.element.attr('sticky-prev-state', item.state);
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}
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item.clone.attr('sticky-state', state);
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item.element.attr('sticky-state', state);
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item.state = state;
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}
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function translate(item, amount) {
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if (!item) return;
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if (amount === null || amount === undefined) {
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if (item.translateY) {
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item.translateY = null;
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item.clone.css($mdConstant.CSS.TRANSFORM, '');
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}
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} else {
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item.translateY = amount;
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item.clone.css(
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$mdConstant.CSS.TRANSFORM,
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'translate3d(' + item.left + 'px,' + amount + 'px,0)'
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);
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}
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}
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}
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// Function to check for browser sticky support
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function checkStickySupport($el) {
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var stickyProp;
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var testEl = angular.element('<div>');
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$document[0].body.appendChild(testEl[0]);
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var stickyProps = ['sticky', '-webkit-sticky'];
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for (var i = 0; i < stickyProps.length; ++i) {
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testEl.css({position: stickyProps[i], top: 0, 'z-index': 2});
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if (testEl.css('position') == stickyProps[i]) {
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stickyProp = stickyProps[i];
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break;
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}
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}
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testEl.remove();
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return stickyProp;
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}
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// Android 4.4 don't accurately give scroll events.
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// To fix this problem, we setup a fake scroll event. We say:
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// > If a scroll or touchmove event has happened in the last DELAY milliseconds,
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// then send a `$scroll` event every animationFrame.
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// Additionally, we add $scrollstart and $scrollend events.
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function setupAugmentedScrollEvents(element) {
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var SCROLL_END_DELAY = 200;
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var isScrolling;
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var lastScrollTime;
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element.on('scroll touchmove', function() {
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if (!isScrolling) {
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isScrolling = true;
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$$rAF(loopScrollEvent);
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element.triggerHandler('$scrollstart');
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}
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element.triggerHandler('$scroll');
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lastScrollTime = +$mdUtil.now();
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});
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function loopScrollEvent() {
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if (+$mdUtil.now() - lastScrollTime > SCROLL_END_DELAY) {
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isScrolling = false;
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element.triggerHandler('$scrollend');
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} else {
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element.triggerHandler('$scroll');
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$$rAF(loopScrollEvent);
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}
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}
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}
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}
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MdSticky.$inject = ["$document", "$mdConstant", "$compile", "$$rAF", "$mdUtil"];
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ng.material.components.sticky = angular.module("material.components.sticky");
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