97 lines
2.5 KiB
JavaScript
97 lines
2.5 KiB
JavaScript
(function(){"use strict";angular
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.module('material.components.expansionPanels')
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.directive('mdExpansionPanelFooter', expansionPanelFooterDirective);
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/**
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* @ngdoc directive
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* @name mdExpansionPanelFooter
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* @module material.components.expansionPanels
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*
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* @restrict E
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*
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* @description
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* `mdExpansionPanelFooter` is nested inside of `mdExpansionPanelExpanded` and contains content you want at the bottom.
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* By default the Footer will stick to the bottom of the page if the panel expands past
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* this is optional
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*
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* @param {boolean=} md-no-sticky - add this aatribute to disable sticky
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**/
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function expansionPanelFooterDirective() {
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var directive = {
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restrict: 'E',
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transclude: true,
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template: '<div class="md-expansion-panel-footer-container" ng-transclude></div>',
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require: '^^mdExpansionPanel',
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link: link
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};
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return directive;
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function link(scope, element, attrs, expansionPanelCtrl) {
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var isStuck = false;
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var noSticky = attrs.mdNoSticky !== undefined;
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var container = angular.element(element[0].querySelector('.md-expansion-panel-footer-container'));
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expansionPanelCtrl.registerFooter({
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show: show,
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hide: hide,
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onScroll: onScroll,
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onResize: onResize,
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noSticky: noSticky
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});
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function show() {
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}
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function hide() {
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unstick();
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}
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function onScroll(top, bottom, transformTop) {
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var height;
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var footerBounds = element[0].getBoundingClientRect();
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var offset;
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if (footerBounds.bottom > bottom) {
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height = container[0].offsetHeight;
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offset = bottom - height - transformTop;
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if (offset < element[0].parentNode.getBoundingClientRect().top) {
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offset = element[0].parentNode.getBoundingClientRect().top;
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}
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// set container width because element becomes postion fixed
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container.css('width', expansionPanelCtrl.$element[0].offsetWidth + 'px');
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// set element height so it does not loose its height when container is position fixed
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element.css('height', height + 'px');
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container.css('top', offset + 'px');
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element.addClass('md-stick');
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isStuck = true;
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} else if (isStuck === true) {
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unstick();
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}
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}
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function onResize(width) {
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if (isStuck === false) { return; }
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container.css('width', width + 'px');
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}
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function unstick() {
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isStuck = false;
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container.css('width', '');
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container.css('top', '');
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element.css('height', '');
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element.removeClass('md-stick');
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}
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}
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}
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}()); |