一组 treeDatastore 方法的集合
注意,任务(Tasks)和链接(Links)应通过标准的 Gantt API 进行更新。直接在 datastore 中更改任务或链接可能导致意外行为。Datastore 主要用于资源或其他自定义对象。
您可以使用 createDatastore 方法创建一个新的 datastore。
TreeDatastore 继承自 Datastore,并包含其所有方法。 treeDatastore 对象的扩展 API 提供了以下 方法 和 事件:
var store = gantt.getDatastore(gantt.config.resource_store);
store.parse([
{id: 1, text: "QA", parent:null},
{id: 2, text: "Development", parent:null},
{id: 3, text: "Sales", parent:null},
{id: 4, text: "Other", parent:null},
{id: 5, text: "Unassigned", parent:4},
{id: 6, text: "John", parent:1},
{id: 7, text: "Mike", parent:2},
{id: 8, text: "Anna", parent:2},
{id: 9, text: "Bill", parent:3},
{id: 10, text: "Floe", parent:3}
]);
store.move(6, -1, 2);// 将 'John' 从 'QA' 移动到 'Development'
var store = gantt.getDatastore(gantt.config.resource_store);
store.parse([
{id: 1, text: "QA", parent:null},
{id: 2, text: "Development", parent:null},
{id: 3, text: "Sales", parent:null},
{id: 4, text: "Other", parent:null},
{id: 5, text: "Unassigned", parent:4},
{id: 6, text: "John", parent:1},
{id: 7, text: "Mike", parent:2},
{id: 8, text: "Anna", parent:2},
{id: 9, text: "Bill", parent:3},
{id: 10, text: "Floe", parent:3}
]);
store.getBranchIndex(8);
// -> 1
var store = gantt.getDatastore(gantt.config.resource_store);
store.parse([
{id: 1, text: "QA", parent:null},
{id: 2, text: "Development", parent:null},
{id: 3, text: "Sales", parent:null},
{id: 4, text: "Other", parent:null},
{id: 5, text: "Unassigned", parent:4},
{id: 6, text: "John", parent:1},
{id: 7, text: "Mike", parent:2},
{id: 8, text: "Anna", parent:2},
{id: 9, text: "Bill", parent:3},
{id: 10, text: "Floe", parent:3}
]);
store.hasChild(1);
// -> true
store.hasChild(9);
// -> false
var store = gantt.getDatastore(gantt.config.resource_store);
store.parse([
{id: 1, text: "QA", parent:null},
{id: 2, text: "Development", parent:null},
{id: 3, text: "Sales", parent:null},
{id: 4, text: "Other", parent:null},
{id: 5, text: "Unassigned", parent:4},
{id: 6, text: "John", parent:1},
{id: 7, text: "Mike", parent:2},
{id: 8, text: "Anna", parent:2},
{id: 9, text: "Bill", parent:3},
{id: 10, text: "Floe", parent:3}
]);
store.getChildren(3);
// -> [9, 10]
store.getChildren(9);
// -> [0]
var store = gantt.getDatastore(gantt.config.resource_store);
store.parse([
{id: 1, text: "QA", parent:null},
{id: 2, text: "Development", parent:null},
{id: 3, text: "Sales", parent:null},
{id: 4, text: "Other", parent:null},
{id: 5, text: "Unassigned", parent:4},
{id: 6, text: "John", parent:1},
{id: 7, text: "Mike", parent:2},
{id: 8, text: "Anna", parent:2},
{id: 9, text: "Bill", parent:3},
{id: 10, text: "Floe", parent:3}
]);
store.isChildOf(9, 3);
// -> true
store.getChildren(9, 2);
// -> false
var store = gantt.getDatastore(gantt.config.resource_store);
store.parse([
{id: 1, text: "QA", parent:null},
{id: 2, text: "Development", parent:null},
{id: 3, text: "Sales", parent:null},
{id: 4, text: "Other", parent:null},
{id: 5, text: "Unassigned", parent:4},
{id: 6, text: "John", parent:1},
{id: 7, text: "Mike", parent:2},
{id: 8, text: "Anna", parent:2},
{id: 9, text: "Bill", parent:3},
{id: 10, text: "Floe", parent:3}
]);
store.getSiblings(1);
// -> [1,2,3,4]
store.getSiblings(6);
// -> [6]
var store = gantt.getDatastore(gantt.config.resource_store);
store.parse([
{id: 1, text: "QA", parent:null},
{id: 2, text: "Development", parent:null},
{id: 3, text: "Sales", parent:null},
{id: 4, text: "Other", parent:null},
{id: 5, text: "Unassigned", parent:4},
{id: 6, text: "John", parent:1},
{id: 7, text: "Mike", parent:2},
{id: 8, text: "Anna", parent:2},
{id: 9, text: "Bill", parent:3},
{id: 10, text: "Floe", parent:3}
]);
store.getNextSibling(9);
// -> 10
store.getNextSibling(10);
// -> null
var store = gantt.getDatastore(gantt.config.resource_store);
store.parse([
{id: 1, text: "QA", parent:null},
{id: 2, text: "Development", parent:null},
{id: 3, text: "Sales", parent:null},
{id: 4, text: "Other", parent:null},
{id: 5, text: "Unassigned", parent:4},
{id: 6, text: "John", parent:1},
{id: 7, text: "Mike", parent:2},
{id: 8, text: "Anna", parent:2},
{id: 9, text: "Bill", parent:3},
{id: 10, text: "Floe", parent:3}
]);
store.getPrevSibling(9);
// -> null
store.getPrevSibling(10);
// -> 9
var store = gantt.getDatastore(gantt.config.resource_store);
store.parse([
{id: 1, text: "QA", parent:null},
{id: 2, text: "Development", parent:null},
{id: 3, text: "Sales", parent:null},
{id: 4, text: "Other", parent:null},
{id: 5, text: "Unassigned", parent:4},
{id: 6, text: "John", parent:1},
{id: 7, text: "Mike", parent:2},
{id: 8, text: "Anna", parent:2},
{id: 9, text: "Bill", parent:3},
{id: 10, text: "Floe", parent:3}
]);
store.getParent(9);
// -> 3
store.getParent(1);
// -> 0
var store = gantt.getDatastore(gantt.config.resource_store);
store.parse([
{id: 1, text: "QA", parent:null},
{id: 2, text: "Development", parent:null},
{id: 3, text: "Sales", parent:null},
{id: 4, text: "Other", parent:null},
{id: 5, text: "Unassigned", parent:4},
{id: 6, text: "John", parent:1},
{id: 7, text: "Mike", parent:2},
{id: 8, text: "Anna", parent:2},
{id: 9, text: "Bill", parent:3},
{id: 10, text: "Floe", parent:3}
]);
store.calculateItemLevel(store.getItem(9));
// -> 1
store.calculateItemLevel(store.getItem(1));
// -> 0
要正确地将项目移动到不同父节点,请使用 treeDatastore.move()。setParent() 方法仅更新项目的属性,不影响内部树结构。
gantt.createDatastore({
name: gantt.config.resource_store,
type: "treeDatastore",
parentProperty: "parent", //
initItem: function (item) {
item.parent = item.parent || gantt.config.root_id;
item[gantt.config.resource_property] = item.parent;
item.open = true;
return item;
}
});
var store = gantt.getDatastore(gantt.config.resource_store);
store.parse([
{id: 1, text: "QA", parent:null},
{id: 2, text: "Development", parent:null},
{id: 3, text: "Sales", parent:null},
{id: 4, text: "Other", parent:null},
{id: 5, text: "Unassigned", parent:4},
{id: 6, text: "John", parent:1},
{id: 7, text: "Mike", parent:2},
{id: 8, text: "Anna", parent:2},
{id: 9, text: "Bill", parent:3},
{id: 10, text: "Floe", parent:3}
]);
store.setParent(store.getItem(9), 4);
// -> 3
var store = gantt.getDatastore(gantt.config.resource_store);
store.parse([
{id: 1, text: "QA", parent:null},
{id: 2, text: "Development", parent:null},
{id: 3, text: "Sales", parent:null},
{id: 4, text: "Other", parent:null},
{id: 5, text: "Unassigned", parent:4},
{id: 6, text: "John", parent:1},
{id: 7, text: "Mike", parent:2},
{id: 8, text: "Anna", parent:2},
{id: 9, text: "Bill", parent:3},
{id: 10, text: "Floe", parent:3}
]);
store.eachItem(function(item){
console.log(item.text);
});
var store = gantt.getDatastore(gantt.config.resource_store);
store.parse([
{id: 1, text: "QA", parent:null},
{id: 2, text: "Development", parent:null},
{id: 3, text: "Sales", parent:null},
{id: 4, text: "Other", parent:null},
{id: 5, text: "Unassigned", parent:4},
{id: 6, text: "John", parent:1},
{id: 7, text: "Mike", parent:2},
{id: 8, text: "Anna", parent:2},
{id: 9, text: "Bill", parent:3},
{id: 10, text: "Floe", parent:3}
]);
store.eachParent(function(item){
console.log(item.text);
}, 10);
// -> "Sales"
var store = gantt.getDatastore(gantt.config.resource_store);
store.parse([
{id: 1, text: "QA", parent:null},
{id: 2, text: "Development", parent:null},
{id: 3, text: "Sales", parent:null},
{id: 4, text: "Other", parent:null},
{id: 5, text: "Unassigned", parent:4},
{id: 6, text: "John", parent:1},
{id: 7, text: "Mike", parent:2},
{id: 8, text: "Anna", parent:2},
{id: 9, text: "Bill", parent:3},
{id: 10, text: "Floe", parent:3}
]);
store.open(1);
var store = gantt.getDatastore(gantt.config.resource_store);
store.parse([
{id: 1, text: "QA", parent:null},
{id: 2, text: "Development", parent:null},
{id: 3, text: "Sales", parent:null},
{id: 4, text: "Other", parent:null},
{id: 5, text: "Unassigned", parent:4},
{id: 6, text: "John", parent:1},
{id: 7, text: "Mike", parent:2},
{id: 8, text: "Anna", parent:2},
{id: 9, text: "Bill", parent:3},
{id: 10, text: "Floe", parent:3}
]);
store.close(1);
var store = gantt.getDatastore(gantt.config.resource_store);
store.parse([
{id: 1, text: "QA", parent:null},
{id: 2, text: "Development", parent:null},
{id: 3, text: "Sales", parent:null},
{id: 4, text: "Other", parent:null},
{id: 5, text: "Unassigned", parent:4},
{id: 6, text: "John", parent:1},
{id: 7, text: "Mike", parent:2},
{id: 8, text: "Anna", parent:2},
{id: 9, text: "Bill", parent:3},
{id: 10, text: "Floe", parent:3}
]);
// 切换排序方向并按列名排序资源
var resourceSortDirection = false;
function sortResources(){
resourceSortDirection = !resourceSortDirection;
gantt.getDatastore("resource").sort("text", resourceSortDirection)
gantt.render();
}
var resourceSortDirection = false;
function sortResources(){
resourceSortDirection = !resourceSortDirection;
gantt.getDatastore("resource").sort(function (resource1, resource2){
return resource1.id - resource2.id;
}, resourceSortDirection)
gantt.render();
}
var store = gantt.getDatastore(gantt.config.resource_store);
store.attachEvent("onBeforeItemMove", function(id, parent, tindex){
// 在此处编写您的代码
return true;
});
var store = gantt.getDatastore(gantt.config.resource_store);
store.attachEvent("onAfterItemMove", function(id, parent, tindex){
// 在此处编写您的代码
});
var store = gantt.getDatastore(gantt.config.resource_store);
store.attachEvent("onItemOpen", function(id){
// 在此处编写您的代码
});
var store = gantt.getDatastore(gantt.config.resource_store);
store.attachEvent("onItemClose", function(id){
// 在此处编写您的代码
});