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- /*!
- * ui-grid - v4.4.6 - 2018-04-06
- * Copyright (c) 2018 ; License: MIT
- */
- !function(){"use strict";var a=angular.module("ui.grid.infiniteScroll",["ui.grid"]);a.service("uiGridInfiniteScrollService",["gridUtil","$compile","$rootScope","uiGridConstants","ScrollEvent","$q",function(a,b,c,d,e,f){var g={initializeGrid:function(a,b){if(g.defaultGridOptions(a.options),a.options.enableInfiniteScroll){a.infiniteScroll={dataLoading:!1},g.setScrollDirections(a,a.options.infiniteScrollUp,a.options.infiniteScrollDown),a.api.core.on.scrollEnd(b,g.handleScroll);var c={events:{infiniteScroll:{needLoadMoreData:function(a,b){},needLoadMoreDataTop:function(a,b){}}},methods:{infiniteScroll:{dataLoaded:function(b,c){g.setScrollDirections(a,b,c);var d=g.adjustScroll(a).then(function(){a.infiniteScroll.dataLoading=!1});return d},resetScroll:function(b,c){g.setScrollDirections(a,b,c),g.adjustInfiniteScrollPosition(a,0)},saveScrollPercentage:function(){a.infiniteScroll.prevScrollTop=a.renderContainers.body.prevScrollTop,a.infiniteScroll.previousVisibleRows=a.getVisibleRowCount()},dataRemovedTop:function(b,c){g.dataRemovedTop(a,b,c)},dataRemovedBottom:function(b,c){g.dataRemovedBottom(a,b,c)},setScrollDirections:function(b,c){g.setScrollDirections(a,b,c)}}}};a.api.registerEventsFromObject(c.events),a.api.registerMethodsFromObject(c.methods)}},defaultGridOptions:function(a){a.enableInfiniteScroll=a.enableInfiniteScroll!==!1,a.infiniteScrollRowsFromEnd=a.infiniteScrollRowsFromEnd||20,a.infiniteScrollUp=a.infiniteScrollUp===!0,a.infiniteScrollDown=a.infiniteScrollDown!==!1},setScrollDirections:function(a,b,c){a.infiniteScroll.scrollUp=b===!0,a.suppressParentScrollUp=b===!0,a.infiniteScroll.scrollDown=c!==!1,a.suppressParentScrollDown=c!==!1},handleScroll:function(a){if(!(a.grid.infiniteScroll&&a.grid.infiniteScroll.dataLoading||"ui.grid.adjustInfiniteScrollPosition"===a.source)&&a.y)if(0===a.y.percentage)a.grid.scrollDirection=d.scrollDirection.UP,g.loadData(a.grid);else if(1===a.y.percentage)a.grid.scrollDirection=d.scrollDirection.DOWN,g.loadData(a.grid);else{var b,c=a.grid.options.infiniteScrollRowsFromEnd/a.grid.renderContainers.body.visibleRowCache.length;a.grid.scrollDirection===d.scrollDirection.UP?(b=a.y.percentage,c>=b&&g.loadData(a.grid)):a.grid.scrollDirection===d.scrollDirection.DOWN&&(b=1-a.y.percentage,c>=b&&g.loadData(a.grid))}},loadData:function(a){a.infiniteScroll.previousVisibleRows=a.renderContainers.body.visibleRowCache.length,a.infiniteScroll.direction=a.scrollDirection,delete a.infiniteScroll.prevScrollTop,a.scrollDirection===d.scrollDirection.UP&&a.infiniteScroll.scrollUp?(a.infiniteScroll.dataLoading=!0,a.api.infiniteScroll.raise.needLoadMoreDataTop()):a.scrollDirection===d.scrollDirection.DOWN&&a.infiniteScroll.scrollDown&&(a.infiniteScroll.dataLoading=!0,a.api.infiniteScroll.raise.needLoadMoreData())},adjustScroll:function(a){var b=f.defer();return c.$applyAsync(function(){var e,f,h,i,j;e=a.getViewportHeight()+a.headerHeight-a.renderContainers.body.headerHeight-a.scrollbarHeight,f=a.options.rowHeight,void 0===a.infiniteScroll.direction&&g.adjustInfiniteScrollPosition(a,0),h=a.getVisibleRowCount();var k=f*h;a.infiniteScroll.scrollDown&&e>k&&a.api.infiniteScroll.raise.needLoadMoreData(),a.infiniteScroll.direction===d.scrollDirection.UP&&(i=a.infiniteScroll.prevScrollTop||0,j=i+(h-a.infiniteScroll.previousVisibleRows)*f,g.adjustInfiniteScrollPosition(a,j),c.$applyAsync(function(){b.resolve()})),a.infiniteScroll.direction===d.scrollDirection.DOWN&&(j=a.infiniteScroll.prevScrollTop||a.infiniteScroll.previousVisibleRows*f-e,g.adjustInfiniteScrollPosition(a,j),c.$applyAsync(function(){b.resolve()}))},0),b.promise},adjustInfiniteScrollPosition:function(a,b){var c=new e(a,null,null,"ui.grid.adjustInfiniteScrollPosition"),d=a.getVisibleRowCount(),f=a.getViewportHeight()+a.headerHeight-a.renderContainers.body.headerHeight-a.scrollbarHeight,g=a.options.rowHeight,h=d*g-f;0===b&&a.infiniteScroll.scrollUp?c.y={percentage:1/h}:c.y={percentage:b/h},a.scrollContainers("",c)},dataRemovedTop:function(a,b,c){var d,e,f,h;g.setScrollDirections(a,b,c),d=a.renderContainers.body.visibleRowCache.length,e=a.infiniteScroll.prevScrollTop,h=a.options.rowHeight,f=e-(a.infiniteScroll.previousVisibleRows-d)*h,g.adjustInfiniteScrollPosition(a,f)},dataRemovedBottom:function(a,b,c){var d;g.setScrollDirections(a,b,c),d=a.infiniteScroll.prevScrollTop,g.adjustInfiniteScrollPosition(a,d)}};return g}]),a.directive("uiGridInfiniteScroll",["uiGridInfiniteScrollService",function(a){return{priority:-200,scope:!1,require:"^uiGrid",compile:function(b,c,d){return{pre:function(b,c,d,e){a.initializeGrid(e.grid,b)},post:function(a,b,c){}}}}}])}();
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