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//script function MessageCenterController($scope, $timeout, $filter) { 'ngInject'; $scope.tabs = [ { heading: "通知", messages: [ { type: 'invitation', from: { name: 'Janny' }, brief: 'say hello', id: '0001' },{ type: 'task', from: { name: 'Hokinson' }, brief: 'say hello', id: '0002' },{ type: 'invitation', from: { name: 'Gray' }, brief: 'say hello', id: '0003' },{ type: 'invitation', from: { name: 'Dammy' }, brief: 'say hello', id: '0004' },{ type: 'invitation', from: { name: 'Jasmin' }, brief: 'say hello', id: '0005' },{ type: 'invitation', from: { name: 'Tommy' }, brief: 'say hello', id: '0006' },{ type: 'invitation', from: { name: 'John' }, brief: 'say hello', id: '0007' },{ type: 'invitation', from: { name: 'lulu' }, brief: 'say hello', id: '0008' },{ type: 'invitation', from: { name: 'May' }, brief: 'say hello', id: '0009' },{ type: 'invitation', from: { name: 'Amy' }, brief: 'say hello', id: '0010' },{ type: 'invitation', from: { name: 'Kim' }, brief: 'say hello', id: '0011' },{ type: 'invitation', from: { name: 'Lily' }, brief: 'say hello', id: '0012' },{ type: 'invitation', from: { name: 'Ann' }, brief: 'say hello', id: '0013' } ] },{ heading: "待处理", messages: [] } ]; $scope.messageTransform = function($event, message, idx) { let index, indexInSelected; switch (idx) { case 0: index = findMessageIndex(message.id, $scope.tabs[0].messages); $scope.tabs[0].messages.splice(index,1); indexInSelected = findMessageIndex(message.id, selectedMessages); if(indexInSelected >= 0) { selectedMessages.splice(index,1); } $scope.tabs[1].messages.unshift(message); break; case 1: indexInSelected = findMessageIndex(message.id, selectedPendings); if(indexInSelected >= 0) { selectedPendings.splice(index,1); } index = findMessageIndex(message.id, $scope.tabs[1].messages); $scope.tabs[1].messages.splice(index,1); $scope.tabs[0].messages.unshift(message); break; } }; var selectedMessages = []; var selectedPendings = []; $scope.updateChecked = function($event, item, idx) { let target = angular.element($event.target).siblings('input'); let action = target.attr('checked') ? "remove" : "add"; $scope.updateSelected(action, item, idx); }; $scope.updateSelected = function(action, selection ,idx) { let result, index; switch (idx) { case 0: if(action === "add") { if(selection.cOnstructor=== Array) { for(let i=0;i<$scope.tabs[0].messages.length;i++) { result = $filter('filter')(selectedMessages, {id: $scope.tabs[0].messages[i].id}); if(result.length == 0) { selectedMessages.push($scope.tabs[0].messages[i]); result = undefined; } } } else { selectedMessages.push(selection); } } else if(action === "remove") { if(selection.cOnstructor=== Array) { selectedMessages.splice(0, selectedMessages.length); } else { for(let i=0;i if(selectedMessages[i].id == selection.id) { index = i; break; } } selectedMessages.splice(index,1); } } break; case 1: if(action === "add") { if(selection.cOnstructor=== Array) { for(let i=0;i<$scope.tabs[1].messages.length;i++) { result = $filter('filter')(selectedPendings, {id: $scope.tabs[1].messages[i].id}); if(result.length == 0) { selectedPendings.push($scope.tabs[1].messages[i]); result = undefined; } } } else { selectedPendings.push(selection); } } else if(action === "remove") { if(selection.cOnstructor=== Array) { selectedPendings.splice(0, selectedPendings.length); } else { for(let i=0;i if(selectedPendings[i].id == selection.id) { index = i; break; } } selectedPendings.splice(index,1); } } break; } }; $scope.isSelected = function(id, idx) { let result; switch (idx) { case 0: result = $filter('filter')(selectedMessages, {id: id}); if(result.length === 0) { return false; } else { return true; } break; case 1: result = $filter('filter')(selectedPendings, {id: id}); if(result.length === 0) { return false; } else { return true; } break; } }; $scope.isAllSelected = function(idx) { switch (idx) { case 0: if(selectedMessages.length == $scope.tabs[0].messages.length && selectedMessages.length != 0) return true; else return false; break; case 1: if(selectedPendings.length == $scope.tabs[1].messages.length && selectedPendings.length != 0) return true; else return false; break; } }; function findMessageIndex(id, messages) { for(let i=0; i if(messages[i].id === id) { return i; } } return -1; } } |
整体的功能是这样的：
有左右两个tab页，左边的是“通知”，右边的是“待处理”（即稍后处理的意思）。
通知里的列表项目右上角有个按钮，点击之后该条项目会被移到待处理里；待处理里也同理可以将消息转回通知里。
列表下方有一个全选按钮，能实现全选操作。
问题1：只要鼠标进入li.message-item范围内就不停地触发判断ng-checked，该怎么解决呢？
问题2：触发messageTransform()后，列表项数量马上发生了变化，但是整个列表的高度卡顿了一下才变化。
问题3：触发messageTransform()时，有时候会对其他列表项的ng-checked造成影响。
初学angularjs，函数可能写得惨不忍睹，希望大家多多指教！
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