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fixed isRendition again(
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r87:70058deb750d v1.2.7 default
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1 import { IDestroyable, IRemovable } from "@implab/core-amd/interfaces";
1 import { IDestroyable, IRemovable } from "@implab/core-amd/interfaces";
2 import { isDestroyable } from "@implab/core-amd/safe";
2 import { isDestroyable } from "@implab/core-amd/safe";
3 import _WidgetBase = require("dijit/_WidgetBase");
3 import _WidgetBase = require("dijit/_WidgetBase");
4 import registry = require("dijit/registry");
4 import registry = require("dijit/registry");
5 import dom = require("dojo/dom-construct");
5 import dom = require("dojo/dom-construct");
6 import Stateful = require("dojo/Stateful");
6 import Stateful = require("dojo/Stateful");
7 import { FunctionRendition } from "./FunctionRendition";
7 import { FunctionRendition } from "./FunctionRendition";
8 import { DjxWidgetBase } from "./DjxWidgetBase";
8 import { DjxWidgetBase } from "./DjxWidgetBase";
9
9
10 type _WidgetBaseConstructor = typeof _WidgetBase;
10 type _WidgetBaseConstructor = typeof _WidgetBase;
11
11
12 export type DojoNodePosition = "first" | "after" | "before" | "last" | "replace" | "only" | number;
12 export type DojoNodePosition = "first" | "after" | "before" | "last" | "replace" | "only" | number;
13
13
14 export interface Rendition<TNode extends Node = Node> {
14 export interface Rendition<TNode extends Node = Node> {
15 getDomNode(): TNode;
15 getDomNode(): TNode;
16
16
17 placeAt(refNode: string | Node, position?: DojoNodePosition): void;
17 placeAt(refNode: string | Node, position?: DojoNodePosition): void;
18 }
18 }
19
19
20 /**
20 /**
21 * @deprecated use Rendition
21 * @deprecated use Rendition
22 */
22 */
23 export type BuildContext<TNode extends Node = Node> = Rendition<TNode>;
23 export type BuildContext<TNode extends Node = Node> = Rendition<TNode>;
24
24
25 export interface IRecursivelyDestroyable {
25 export interface IRecursivelyDestroyable {
26 destroyRecursive(): void;
26 destroyRecursive(): void;
27 }
27 }
28
28
29 export function isNode(el: any): el is Node {
29 export function isNode(el: any): el is Node {
30 return el && el.nodeName && el.nodeType;
30 return el && el.nodeName && el.nodeType;
31 }
31 }
32
32
33 export function isElementNode(el: any): el is Element {
33 export function isElementNode(el: any): el is Element {
34 return isNode(el) && el.nodeType === 1;
34 return isNode(el) && el.nodeType === 1;
35 }
35 }
36
36
37 export function isTextNode(el: any): el is Text {
37 export function isTextNode(el: any): el is Text {
38 return isNode(el) && el.nodeType === 3;
38 return isNode(el) && el.nodeType === 3;
39 }
39 }
40
40
41 export function isProcessingInstructionNode(el: any): el is ProcessingInstruction {
41 export function isProcessingInstructionNode(el: any): el is ProcessingInstruction {
42 return isNode(el) && el.nodeType === 7;
42 return isNode(el) && el.nodeType === 7;
43 }
43 }
44
44
45 export function isCommentNode(el: any): el is Comment {
45 export function isCommentNode(el: any): el is Comment {
46 return isNode(el) && el.nodeType === 8;
46 return isNode(el) && el.nodeType === 8;
47 }
47 }
48
48
49 export function isDocumentNode(el: any): el is Document {
49 export function isDocumentNode(el: any): el is Document {
50 return isNode(el) && el.nodeType === 9;
50 return isNode(el) && el.nodeType === 9;
51 }
51 }
52
52
53 export function isDocumentTypeNode(el: any): el is DocumentType {
53 export function isDocumentTypeNode(el: any): el is DocumentType {
54 return isNode(el) && el.nodeType === 10;
54 return isNode(el) && el.nodeType === 10;
55 }
55 }
56
56
57 export function isDocumentFragmentNode(el: any): el is DocumentFragment {
57 export function isDocumentFragmentNode(el: any): el is DocumentFragment {
58 return isNode(el) && el.nodeType === 11;
58 return isNode(el) && el.nodeType === 11;
59 }
59 }
60
60
61 export function isWidget(v: any): v is _WidgetBase {
61 export function isWidget(v: any): v is _WidgetBase {
62 return v && "domNode" in v;
62 return v && "domNode" in v;
63 }
63 }
64
64
65 export function isRendition(v: any): v is Rendition {
65 export function isRendition(v: any): v is Rendition {
66 return typeof v && typeof v.getDomElement === "function";
66 return v && typeof v.getDomElement === "function";
67 }
67 }
68
68
69 /**
69 /**
70 * @deprecated use isRendition
70 * @deprecated use isRendition
71 */
71 */
72 export const isBuildContext = isRendition;
72 export const isBuildContext = isRendition;
73
73
74 export function isPlainObject(v: object) {
74 export function isPlainObject(v: object) {
75 if (typeof v !== "object")
75 if (typeof v !== "object")
76 return false;
76 return false;
77
77
78 const vp = Object.getPrototypeOf(v);
78 const vp = Object.getPrototypeOf(v);
79 return !vp || vp === Object.prototype;
79 return !vp || vp === Object.prototype;
80 }
80 }
81
81
82 export function isWidgetConstructor(v: any): v is _WidgetBaseConstructor {
82 export function isWidgetConstructor(v: any): v is _WidgetBaseConstructor {
83 return typeof v === "function" && v.prototype && (
83 return typeof v === "function" && v.prototype && (
84 "domNode" in v.prototype ||
84 "domNode" in v.prototype ||
85 "buildRendering" in v.prototype
85 "buildRendering" in v.prototype
86 );
86 );
87 }
87 }
88
88
89 /** Tests whether the specified node is placed in visible dom.
89 /** Tests whether the specified node is placed in visible dom.
90 * @param {Node} node The node to test
90 * @param {Node} node The node to test
91 */
91 */
92 export function isInPage(node: Node) {
92 export function isInPage(node: Node) {
93 return (node === document.body) ? false : document.body.contains(node);
93 return (node === document.body) ? false : document.body.contains(node);
94 }
94 }
95
95
96 export function isRecursivelyDestroyable(target: any): target is IRecursivelyDestroyable {
96 export function isRecursivelyDestroyable(target: any): target is IRecursivelyDestroyable {
97 return target && typeof target.destroyRecursive === "function";
97 return target && typeof target.destroyRecursive === "function";
98 }
98 }
99
99
100
100
101 /** Destroys DOM Node with all contained widgets.
101 /** Destroys DOM Node with all contained widgets.
102 * If the specified node is the root node of a widget, then the
102 * If the specified node is the root node of a widget, then the
103 * widget will be destroyed.
103 * widget will be destroyed.
104 *
104 *
105 * @param target DOM Node or widget to destroy
105 * @param target DOM Node or widget to destroy
106 */
106 */
107 export function destroy(target: Node | IDestroyable | IRecursivelyDestroyable) {
107 export function destroy(target: Node | IDestroyable | IRecursivelyDestroyable) {
108 if (isRecursivelyDestroyable(target)) {
108 if (isRecursivelyDestroyable(target)) {
109 target.destroyRecursive();
109 target.destroyRecursive();
110 } else if (isDestroyable(target)) {
110 } else if (isDestroyable(target)) {
111 target.destroy();
111 target.destroy();
112 } else if (isNode(target)) {
112 } else if (isNode(target)) {
113 const w = isElementNode(target) ? registry.byNode(target) : undefined;
113 const w = isElementNode(target) ? registry.byNode(target) : undefined;
114 if (w) {
114 if (w) {
115 w.destroyRecursive();
115 w.destroyRecursive();
116 } else {
116 } else {
117 registry.findWidgets(target).forEach(destroy);
117 registry.findWidgets(target).forEach(destroy);
118 dom.destroy(target);
118 dom.destroy(target);
119 }
119 }
120 }
120 }
121 }
121 }
122
122
123 /** Empties a content of the specified node and destroys all contained widgets.
123 /** Empties a content of the specified node and destroys all contained widgets.
124 *
124 *
125 * @param target DOM node to .
125 * @param target DOM node to .
126 */
126 */
127 export function emptyNode(target: Node) {
127 export function emptyNode(target: Node) {
128 registry.findWidgets(target).forEach(destroy);
128 registry.findWidgets(target).forEach(destroy);
129 dom.empty(target);
129 dom.empty(target);
130 }
130 }
131
131
132 /** This function starts all widgets inside the DOM node if the target is a node
132 /** This function starts all widgets inside the DOM node if the target is a node
133 * or starts widget itself if the target is the widget. If the specified node
133 * or starts widget itself if the target is the widget. If the specified node
134 * associated with the widget that widget will be started.
134 * associated with the widget that widget will be started.
135 *
135 *
136 * @param target DOM node to find and start widgets or the widget itself.
136 * @param target DOM node to find and start widgets or the widget itself.
137 */
137 */
138 export function startupWidgets(target: Node | _WidgetBase, skipNode?: Node) {
138 export function startupWidgets(target: Node | _WidgetBase, skipNode?: Node) {
139 if (isNode(target)) {
139 if (isNode(target)) {
140 const w = isElementNode(target) ? registry.byNode(target) : undefined;
140 const w = isElementNode(target) ? registry.byNode(target) : undefined;
141 if (w) {
141 if (w) {
142 if (w.startup)
142 if (w.startup)
143 w.startup();
143 w.startup();
144 } else {
144 } else {
145 registry.findWidgets(target, skipNode).forEach(x => x.startup());
145 registry.findWidgets(target, skipNode).forEach(x => x.startup());
146 }
146 }
147 } else {
147 } else {
148 if (target.startup)
148 if (target.startup)
149 target.startup();
149 target.startup();
150 }
150 }
151 }
151 }
152
152
153
153
154 type StatefulProps<T> = T extends Stateful<infer A> ? A : never;
154 type StatefulProps<T> = T extends Stateful<infer A> ? A : never;
155
155
156 type CleanFn = (instance: IRemovable | IDestroyable) => void;
156 type CleanFn = (instance: IRemovable | IDestroyable) => void;
157
157
158 /**
158 /**
159 * Observers the property and calls render callback each change.
159 * Observers the property and calls render callback each change.
160 *
160 *
161 * @param target The target object which property will be observed.
161 * @param target The target object which property will be observed.
162 * @param prop The name of the property.
162 * @param prop The name of the property.
163 * @param render The callback which will be called every time the value is changed
163 * @param render The callback which will be called every time the value is changed
164 * @param cleanupOrOwner The object with method `own` or an callback to register lifecycle for the observer.
164 * @param cleanupOrOwner The object with method `own` or an callback to register lifecycle for the observer.
165 * @returns Rendition which is created instantly
165 * @returns Rendition which is created instantly
166 */
166 */
167 export function watch<W extends _WidgetBase, K extends keyof W>(
167 export function watch<W extends _WidgetBase, K extends keyof W>(
168 target: W,
168 target: W,
169 prop: K,
169 prop: K,
170 render: (model: W[K]) => any,
170 render: (model: W[K]) => any,
171 cleanupOrOwner?: { own: CleanFn } | CleanFn
171 cleanupOrOwner?: { own: CleanFn } | CleanFn
172 ): Rendition;
172 ): Rendition;
173 /**
173 /**
174 * Observers the property and calls render callback each change.
174 * Observers the property and calls render callback each change.
175 *
175 *
176 * @param target The target object which property will be observed.
176 * @param target The target object which property will be observed.
177 * @param prop The name of the property.
177 * @param prop The name of the property.
178 * @param render The callback which will be called every time the value is changed
178 * @param render The callback which will be called every time the value is changed
179 * @param cleanupOrOwner The object with method `own` or an callback to register lifecycle for the observer.
179 * @param cleanupOrOwner The object with method `own` or an callback to register lifecycle for the observer.
180 * @returns Rendition which is created instantly
180 * @returns Rendition which is created instantly
181 */
181 */
182 export function watch<T extends Stateful, K extends keyof StatefulProps<T>>(
182 export function watch<T extends Stateful, K extends keyof StatefulProps<T>>(
183 target: T,
183 target: T,
184 prop: K,
184 prop: K,
185 render: (model: StatefulProps<T>[K]) => any,
185 render: (model: StatefulProps<T>[K]) => any,
186 cleanupOrOwner?: { own: CleanFn } | CleanFn
186 cleanupOrOwner?: { own: CleanFn } | CleanFn
187 ): Rendition;
187 ): Rendition;
188 export function watch<T extends Stateful, K extends keyof StatefulProps<T> & string>(
188 export function watch<T extends Stateful, K extends keyof StatefulProps<T> & string>(
189 target: T,
189 target: T,
190 prop: K,
190 prop: K,
191 render: (model: StatefulProps<T>[K]) => any,
191 render: (model: StatefulProps<T>[K]) => any,
192 cleanupOrOwner: { own: CleanFn } | CleanFn = () => { }
192 cleanupOrOwner: { own: CleanFn } | CleanFn = () => { }
193 ) {
193 ) {
194 let rendition = new FunctionRendition(() => render(target.get(prop)));
194 let rendition = new FunctionRendition(() => render(target.get(prop)));
195 const _own = cleanupOrOwner instanceof Function ? cleanupOrOwner : (x: IRemovable) => cleanupOrOwner.own(x);
195 const _own = cleanupOrOwner instanceof Function ? cleanupOrOwner : (x: IRemovable) => cleanupOrOwner.own(x);
196 _own(target.watch(prop, (_name, oldValue, newValue) => {
196 _own(target.watch(prop, (_name, oldValue, newValue) => {
197 if (oldValue !== newValue) {
197 if (oldValue !== newValue) {
198 const newRendition = new FunctionRendition(() => render(newValue));
198 const newRendition = new FunctionRendition(() => render(newValue));
199 newRendition.placeAt(rendition.getDomNode(), "replace");
199 newRendition.placeAt(rendition.getDomNode(), "replace");
200 destroy(rendition.getDomNode());
200 destroy(rendition.getDomNode());
201 rendition = newRendition;
201 rendition = newRendition;
202 }
202 }
203 }));
203 }));
204 return rendition;
204 return rendition;
205 }
205 }
206
206
207 /** Decorates the method which will be registered as the handle for the specified event.
207 /** Decorates the method which will be registered as the handle for the specified event.
208 * This decorator can be applied to DjxWidgetBase subclass methods.
208 * This decorator can be applied to DjxWidgetBase subclass methods.
209 *
209 *
210 * ```
210 * ```
211 * @on("click")
211 * @on("click")
212 * _onClick(eventObj: MouseEvent) {
212 * _onClick(eventObj: MouseEvent) {
213 * // ...
213 * // ...
214 * }
214 * }
215 * ```
215 * ```
216 */
216 */
217 export const on = <E extends string>(...eventNames: E[]) =>
217 export const on = <E extends string>(...eventNames: E[]) =>
218 <K extends string,
218 <K extends string,
219 T extends DjxWidgetBase<any, { [p in E]: EV }>,
219 T extends DjxWidgetBase<any, { [p in E]: EV }>,
220 EV extends Event
220 EV extends Event
221 >(
221 >(
222 target: T,
222 target: T,
223 key: K,
223 key: K,
224 _descriptor: TypedPropertyDescriptor<(eventObj: EV) => void> | TypedPropertyDescriptor<() => void>
224 _descriptor: TypedPropertyDescriptor<(eventObj: EV) => void> | TypedPropertyDescriptor<() => void>
225 ): any => {
225 ): any => {
226 const handlers = eventNames.map(eventName => ({ eventName, handlerMethod: key }))
226 const handlers = eventNames.map(eventName => ({ eventName, handlerMethod: key }))
227 target._eventHandlers = target._eventHandlers ? target._eventHandlers.concat(handlers) : handlers;
227 target._eventHandlers = target._eventHandlers ? target._eventHandlers.concat(handlers) : handlers;
228 };
228 };
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