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1 | ||
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2 | import { djbase, djclass } from "../declare"; | |
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3 | import { attach, createElement } from "../tsx"; | |
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4 | import { DjxWidgetBase } from "../tsx/DjxWidgetBase"; | |
|
5 | import _FormMixin from "./_FormMixin"; | |
|
6 | ||
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7 | ||
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8 | /** This widget represents a document section containing interactive controls | |
|
9 | * for submitting information. | |
|
10 | */ | |
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11 | @djclass | |
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12 | export default class Form<T extends object> extends djbase(DjxWidgetBase, _FormMixin) { | |
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13 | ||
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14 | /** Name of form for scripting. */ | |
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15 | name?: string; | |
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16 | ||
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17 | /** The URL that processes the form submission. */ | |
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18 | action?: string; | |
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19 | ||
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20 | /** The HTTP method to submit the form with. */ | |
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21 | method?: "POST" | "GET" | "DIALOG"; | |
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22 | ||
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23 | /** If the value of the method attribute is post, enctype is the MIME type | |
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24 | * of the form submission. | |
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25 | */ | |
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26 | enctype?: string; | |
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27 | ||
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28 | /** Comma-separated content types the server accepts. | |
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29 | * | |
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30 | * @deprecated This attribute has been deprecated and should not be used. | |
|
31 | * Instead, use the accept attribute on <input type=file> elements. | |
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32 | */ | |
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33 | accept?: string; | |
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34 | ||
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35 | /** Space-separated character encodings the server accepts. The browser | |
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36 | * uses them in the order in which they are listed. | |
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37 | */ | |
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38 | "accept-charset"?: string; | |
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39 | ||
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40 | /** Indicates where to display the response after submitting the form. It | |
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41 | * is a name/keyword for a browsing context (for example, tab, window, or | |
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42 | * iframe). | |
|
43 | */ | |
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44 | target?: string; | |
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45 | ||
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46 | /** Indicates whether input elements can by default have their values | |
|
47 | * automatically completed by the browser. `autocomplete` attributes on form | |
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48 | * elements override it on `<form>`. | |
|
49 | */ | |
|
50 | autocomplete?: "off" | "on"; | |
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51 | ||
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52 | ||
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53 | /** This Boolean attribute indicates that the form shouldn't be validated | |
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54 | * when submitted. If this attribute is not set the form is validated, it | |
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55 | * can be overridden by a `formnovalidate` attribute on a `<button>`, | |
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56 | * `<input type="submit">`, or `<input type="image">` element belonging to | |
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57 | * the form. | |
|
58 | */ | |
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59 | novalidate?: boolean; | |
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60 | ||
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61 | value?: T; | |
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62 | ||
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63 | containerNode?: HTMLFormElement; | |
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64 | ||
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65 | _resetting = false; | |
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66 | ||
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67 | constructor(opts?: Partial<Form<T>>, srcRef?: string | Node) { | |
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68 | super(opts, srcRef); | |
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69 | } | |
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70 | ||
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71 | render() { | |
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72 | return <form onreset={this._onReset} onsubmit={this._onSubmit} ref={attach(this, "containerNode")}> | |
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73 | </form>; | |
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74 | } | |
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75 | ||
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76 | postCreate() { | |
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77 | super.postCreate(); | |
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78 | ||
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79 | this.watch("value", (_prop, _oldValue, newValue) => this.onValueChange(newValue)); | |
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80 | } | |
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81 | ||
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82 | private readonly _onReset = (evt: Event) => { | |
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83 | if (!this._resetting) { | |
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84 | // re-dispatch event to replace default reset behavior | |
|
85 | try { | |
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86 | this._resetting = true; | |
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87 | evt.preventDefault(); | |
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88 | if(this.containerNode?.dispatchEvent(new Event(evt.type, evt))) | |
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89 | super.reset(); | |
|
90 | } finally { | |
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91 | this._resetting = false; | |
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92 | } | |
|
93 | } else { | |
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94 | this.onReset(evt); | |
|
95 | } | |
|
96 | }; | |
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97 | ||
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98 | private readonly _onSubmit = (evt: SubmitEvent) => { | |
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99 | if(!this.novalidate && !this.validate()) { | |
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100 | evt.preventDefault(); | |
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101 | evt.stopPropagation(); | |
|
102 | } else { | |
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103 | this.onSubmit(evt); | |
|
104 | } | |
|
105 | }; | |
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106 | ||
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107 | // eslint-disable-next-line @typescript-eslint/no-unused-vars | |
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108 | onSubmit(evt: Event) { | |
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109 | } | |
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110 | ||
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111 | // eslint-disable-next-line @typescript-eslint/no-unused-vars | |
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112 | onReset(evt: Event) { | |
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113 | } | |
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114 | ||
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115 | // eslint-disable-next-line @typescript-eslint/no-unused-vars | |
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116 | onValueChange(value?: T) { | |
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117 | } | |
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118 | ||
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119 | /** Resets the form. */ | |
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120 | reset() { | |
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121 | if (!this.containerNode) | |
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122 | throw new Error("Can't reset the destroyed form"); | |
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123 | this.containerNode.reset(); | |
|
124 | } | |
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125 | ||
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126 | /** Programmatically submits form, no additional events emitted | |
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127 | * or checks made. | |
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128 | */ | |
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129 | submit() { | |
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130 | if (!this.containerNode) | |
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131 | throw new Error("Can't submit the destroyed form"); | |
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132 | this.containerNode.submit(); | |
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133 | } | |
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134 | } |
@@ -0,0 +1,319 | |||
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1 | import { id as mid } from "module"; | |
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2 | import { djbase, djclass } from "../declare"; | |
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3 | import { whenRendered } from "../tsx/render"; | |
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4 | import { TraceSource } from "@implab/core-amd/log/TraceSource"; | |
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5 | import _WidgetBase = require("dijit/_WidgetBase"); | |
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6 | import _FormValueMixin = require("dijit/form/_FormValueMixin"); | |
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7 | import { scrollIntoView } from "dojo/window"; | |
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8 | import { get } from "@implab/core-amd/safe"; | |
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9 | ||
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10 | const trace = TraceSource.get(mid); | |
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11 | ||
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12 | const isValueWidget = <W>(w: W): w is W & _FormValueMixin => | |
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13 | typeof w === "object" && w !== null && "value" in w; | |
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14 | ||
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15 | const testMember = <T extends object>(member: keyof T, type?: "function" | "boolean" | "string" | "number" | "object") => type ? | |
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16 | <V extends object>(v: V): v is V & T => typeof v === "object" && v !== null && (typeof (v as V & T)[member] === type) : | |
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17 | <V extends object>(v: V): v is V & T => typeof v === "object" && v !== null && (member in v); | |
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18 | ||
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19 | // reset method support | |
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20 | type Resettable = { reset(): void }; | |
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21 | ||
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22 | const isResettable = testMember<Resettable>("reset", "function"); | |
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23 | ||
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24 | // validation support | |
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25 | type Validatable = { validate(): boolean }; | |
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26 | ||
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27 | const isValidatable = testMember<Validatable>("validate", "function"); | |
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28 | ||
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29 | // checkbox/toggle button/radio widgets support | |
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30 | type CheckedProp = { checked: boolean }; | |
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31 | ||
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32 | const hasCheckedProp = testMember<CheckedProp>("checked", "boolean"); | |
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33 | ||
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34 | // multi-select support | |
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35 | type MultipleProp = { multiple: unknown }; | |
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36 | ||
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37 | const hasMultipleProp = testMember<MultipleProp>("multiple"); | |
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38 | ||
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39 | // declared class | |
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40 | type DeclaredClassProp = { declaredClass: string }; | |
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41 | ||
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42 | const hasDeclaredClassProp = testMember<DeclaredClassProp>("declaredClass", "string"); | |
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43 | ||
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44 | // state | |
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45 | ||
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46 | type StateProp = { state: string }; | |
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47 | ||
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48 | const hasStateProp = testMember<StateProp>("state", "string"); | |
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49 | ||
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50 | // common type for form members | |
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51 | type FormValueWidget = _WidgetBase & _FormValueMixin; | |
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52 | ||
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53 | /** Traverses child widgets collecting form inputs. | |
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54 | * | |
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55 | * @param children Widgets to traverse. | |
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56 | * @returns The array of form inputs. | |
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57 | */ | |
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58 | const collectDescendantFormWidgets = (children: _WidgetBase[]): (FormValueWidget)[] => children | |
|
59 | .map(child => | |
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60 | isValueWidget(child) ? | |
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61 | [child] : | |
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62 | collectDescendantFormWidgets(child.getChildren()) | |
|
63 | ) | |
|
64 | .reduce((res, part) => res.concat(part), []); | |
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65 | ||
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66 | // helper functions to manipulate the form value | |
|
67 | ||
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68 | /** checks whether the value is and object and returns it otherwise returns | |
|
69 | * a new empty object. Useful to auto-crete a nested objects on demand. | |
|
70 | */ | |
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71 | const _obj = (v: unknown) => (typeof v === "object" && v !== null ? v : {}) as Record<string, unknown>; | |
|
72 | ||
|
73 | /** Combines the values | |
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74 | * | |
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75 | * @param prev The previous value, `undefined` if none | |
|
76 | * @param value The new value to store | |
|
77 | * @param hint The hint how to combine values | |
|
78 | */ | |
|
79 | const _combine = (prev: unknown, value: unknown, hint?: string) => | |
|
80 | // write the value as an array and append new values to it | |
|
81 | hint === "array" ? prev === undefined ? [value] : ([] as unknown[]).concat(prev, value) : | |
|
82 | // write the value as is and convert it the array when new values are appended | |
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83 | hint === "append" ? prev === undefined ? value : ([] as unknown[]).concat(prev, value) : | |
|
84 | // write the value only if the previous one is undefined | |
|
85 | hint === "unset" ? prev === undefined ? value : prev : | |
|
86 | // overwrite | |
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87 | value; | |
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88 | ||
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89 | /** Merges the specified value to the object. The function takes a path for the | |
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90 | * new value and creates a nested objects if needed. The hint is used to control | |
|
91 | * how to store a new or update the existing value. | |
|
92 | */ | |
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93 | const _merge = ( | |
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94 | [prop, ...rest]: string[], | |
|
95 | obj: Record<string, unknown>, | |
|
96 | value: unknown, | |
|
97 | hint?: string | |
|
98 | ): unknown => ({ | |
|
99 | ...obj, | |
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100 | [prop]: rest.length > 0 ? | |
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101 | _merge(rest, _obj(obj[prop]), value) : | |
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102 | _combine(obj[prop], value, hint) | |
|
103 | }); | |
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104 | ||
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105 | /** Merges the specified value to the object. The function takes a path for the | |
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106 | * new value and creates a nested objects if needed. The hint is used to control | |
|
107 | * how to store a new or update the existing value. | |
|
108 | * | |
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109 | * @param name The path of the property to assign, `x.y.z` | |
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110 | * @param value The value for the specified property | |
|
111 | * @param hint The hint how to store the value. The valid values are: | |
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112 | * `array`, `append`, `unset`. | |
|
113 | */ | |
|
114 | const _assign = (name: string, obj: object, value: unknown, hint?: string) => | |
|
115 | _merge(name.split("."), _obj(obj), value, hint) as object; | |
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116 | ||
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117 | @djclass | |
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118 | abstract class _FormMixin extends djbase<_WidgetBase<Record<string, Event>>>() { | |
|
119 | ||
|
120 | /** The form value. When assigned in the constructor is considered as | |
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121 | * initial (reset value) value of the form. | |
|
122 | */ | |
|
123 | value?: object | undefined; | |
|
124 | ||
|
125 | _resetValue?: object | undefined; | |
|
126 | ||
|
127 | private _pending: { value: object; priority?: boolean | null } | undefined; | |
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128 | ||
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129 | state: "Error" | "Incomplete" | "" = ""; | |
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130 | ||
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131 | _onChangeDelayTimer = { remove: () => { } }; | |
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132 | ||
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133 | /** Fill in form values from according to an Object (in the format returned | |
|
134 | * by get('value')) | |
|
135 | * | |
|
136 | * This method schedules updating form values after | |
|
137 | */ | |
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138 | _setValueAttr(value: object, priority?: boolean | null) { | |
|
139 | if (!this._pending) { | |
|
140 | Promise.resolve() // delay value update | |
|
141 | .then(whenRendered) // await for the rendering to complete | |
|
142 | .then(() => { | |
|
143 | if (this._pending) { // double check | |
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144 | const { value, priority } = this._pending; | |
|
145 | this._pending = undefined; | |
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146 | this._setValueImpl(value, priority); | |
|
147 | } | |
|
148 | }).catch(e => trace.error(e)); | |
|
149 | } | |
|
150 | this._pending = { value, priority }; | |
|
151 | } | |
|
152 | ||
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153 | getDescendantFormWidgets() { | |
|
154 | return collectDescendantFormWidgets(this.getChildren()); | |
|
155 | } | |
|
156 | ||
|
157 | /** | |
|
158 | * Resets contents of the form to initial value if any. If an input doesn't | |
|
159 | * have a corresponding initial value it is reset to its default value. | |
|
160 | */ | |
|
161 | reset() { | |
|
162 | this.getDescendantFormWidgets() | |
|
163 | .filter(isResettable) | |
|
164 | .forEach(w => w.reset()); | |
|
165 | if (this._resetValue) | |
|
166 | this.set("value", this._resetValue); | |
|
167 | } | |
|
168 | ||
|
169 | /** | |
|
170 | * returns if the form is valid - same as isValid - but | |
|
171 | * provides a few additional (ui-specific) features: | |
|
172 | * | |
|
173 | * 1. it will highlight any sub-widgets that are not valid | |
|
174 | * 2. it will call focus() on the first invalid sub-widget | |
|
175 | */ | |
|
176 | validate() { | |
|
177 | const [firstError] = this.getDescendantFormWidgets() | |
|
178 | .map(w => { | |
|
179 | w._hasBeenBlurred = true; | |
|
180 | const valid = w.disabled || !isValidatable(w) || w.validate(); | |
|
181 | return valid ? null : w; | |
|
182 | }) | |
|
183 | .filter(Boolean); | |
|
184 | ||
|
185 | if (firstError) { | |
|
186 | scrollIntoView(firstError.containerNode || firstError.domNode); | |
|
187 | firstError.focus(); | |
|
188 | return false; | |
|
189 | } else { | |
|
190 | return true; | |
|
191 | } | |
|
192 | } | |
|
193 | ||
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194 | _setValueImpl(obj: object, priority?: boolean | null) { | |
|
195 | const map = this.getDescendantFormWidgets() | |
|
196 | .filter(w => w.name) | |
|
197 | .reduce((g, w) => { | |
|
198 | const entry = g[w.name]; | |
|
199 | return { | |
|
200 | ...g, | |
|
201 | [w.name]: entry ? entry.concat(w) : [w] | |
|
202 | }; | |
|
203 | }, {} as Record<string, FormValueWidget[]>); | |
|
204 | ||
|
205 | Object.keys(map).forEach(name => { | |
|
206 | const widgets = map[name]; | |
|
207 | const _values = get(name, obj) as unknown; | |
|
208 | ||
|
209 | if (_values !== undefined) { | |
|
210 | const values = ([] as unknown[]).concat(_values); | |
|
211 | ||
|
212 | const [w] = widgets; // at least one widget per group | |
|
213 | if (hasCheckedProp(w)) { | |
|
214 | widgets.forEach(w => | |
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215 | w.set("value", values.indexOf(w._get("value")) >= 0, priority) | |
|
216 | ); | |
|
217 | } else if (hasMultipleProp(w) && w.multiple) { | |
|
218 | w.set("value", values, priority); | |
|
219 | } else { | |
|
220 | widgets.forEach((w, i) => w.set("value", values[i], priority)); | |
|
221 | } | |
|
222 | } | |
|
223 | }); | |
|
224 | } | |
|
225 | ||
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226 | _getValueAttr() { | |
|
227 | return this.getDescendantFormWidgets() | |
|
228 | .map(widget => { | |
|
229 | const name = widget.name; | |
|
230 | if (name && !widget.disabled) { | |
|
231 | ||
|
232 | const value = widget.get("value") as unknown; | |
|
233 | ||
|
234 | if (hasCheckedProp(widget)) { | |
|
235 | if (hasDeclaredClassProp(widget) && /Radio/.test(widget.declaredClass)) { | |
|
236 | // radio button | |
|
237 | if (value !== false) { | |
|
238 | return { name, value }; | |
|
239 | } else { | |
|
240 | // give radio widgets a default of null | |
|
241 | return { name, value: null, hint: "unset" }; | |
|
242 | } | |
|
243 | } else { | |
|
244 | // checkbox/toggle button | |
|
245 | if (value !== false) | |
|
246 | return { name, value, hint: "array" }; | |
|
247 | } | |
|
248 | } else { | |
|
249 | return { name, value, hint: "append" }; | |
|
250 | } | |
|
251 | } | |
|
252 | return {}; | |
|
253 | }) | |
|
254 | .reduce((obj, { name, value, hint }) => name ? _assign(name, obj, value, hint) : obj, {}); | |
|
255 | } | |
|
256 | ||
|
257 | /** Returns true if all of the widgets are valid. | |
|
258 | * @deprecated will be removed | |
|
259 | */ | |
|
260 | isValid() { | |
|
261 | return this.state === ""; | |
|
262 | } | |
|
263 | ||
|
264 | /** Triggered when the validity state changes */ | |
|
265 | // eslint-disable-next-line @typescript-eslint/no-unused-vars | |
|
266 | onValidStateChange(validity: boolean) { | |
|
267 | } | |
|
268 | ||
|
269 | _getState() { | |
|
270 | const states = this.getDescendantFormWidgets().filter(hasStateProp).map(w => w.get("state")); | |
|
271 | ||
|
272 | return states.indexOf("Error") >= 0 ? "Error" : | |
|
273 | states.indexOf("Incomplete") >= 0 ? "Incomplete" : ""; | |
|
274 | } | |
|
275 | ||
|
276 | _onChildChange(attr: string) { | |
|
277 | // summary: | |
|
278 | // Called when child's value or disabled state changes | |
|
279 | ||
|
280 | // The unit tests expect state update to be synchronous, so update it immediately. | |
|
281 | if (!attr || attr == "state" || attr == "disabled") { | |
|
282 | this._set("state", this._getState()); | |
|
283 | } | |
|
284 | ||
|
285 | // Use defer() to collapse value changes in multiple children into a single | |
|
286 | // update to my value. Multiple updates will occur on: | |
|
287 | // 1. Form.set() | |
|
288 | // 2. Form.reset() | |
|
289 | // 3. user selecting a radio button (which will de-select another radio button, | |
|
290 | // causing two onChange events) | |
|
291 | if (!attr || attr == "value" || attr == "disabled" || attr == "checked") { | |
|
292 | if (this._onChangeDelayTimer) { | |
|
293 | this._onChangeDelayTimer.remove(); | |
|
294 | } | |
|
295 | this._onChangeDelayTimer = this.defer(() => { | |
|
296 | this._onChangeDelayTimer = { remove: () => { } }; | |
|
297 | this._set("value", this.get("value")); | |
|
298 | }, 10); | |
|
299 | } | |
|
300 | } | |
|
301 | ||
|
302 | postCreate() { | |
|
303 | super.postCreate(); | |
|
304 | ||
|
305 | this._resetValue = this.value; | |
|
306 | ||
|
307 | this.on("attrmodified-state, attrmodified-disabled, attrmodified-value, attrmodified-checked", this._onAttrModified); | |
|
308 | this.watch("state", (prop, ov, nv) => this.onValidStateChange(nv === "")); | |
|
309 | } | |
|
310 | ||
|
311 | private readonly _onAttrModified = ({ target, type }: Event) => { | |
|
312 | // ignore events that I fire on myself because my children changed | |
|
313 | if (target !== this.domNode) { | |
|
314 | this._onChildChange(type.replace("attrmodified-", "")); | |
|
315 | } | |
|
316 | }; | |
|
317 | } | |
|
318 | ||
|
319 | export default _FormMixin; No newline at end of file |
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1 | 1 | { |
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2 | 2 | "java.configuration.updateBuildConfiguration": "automatic", |
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3 | 3 | "files.exclude": { |
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4 | 4 | "**/.classpath": true, |
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5 | 5 | "**/.project": true, |
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6 | 6 | "**/.settings": true, |
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7 | 7 | "**/.factorypath": true |
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8 | 8 | }, |
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9 | 9 | "cSpell.words": [ |
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10 | "attrmodified", | |
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10 | 11 | "dijit", |
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11 | 12 | "djbase", |
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12 | 13 | "djclass", |
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13 | 14 | "Unsubscribable", |
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15 | "Validatable", | |
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14 | 16 | "wpos" |
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15 | 17 | ] |
|
16 | 18 | } No newline at end of file |
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@@ -1,43 +1,43 | |||
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1 | 1 | { |
|
2 | 2 | "name": "@implab/djx", |
|
3 | 3 | "version": "0.0.1-dev", |
|
4 | 4 | "description": "Supports using dojo version 1 with typescript and .tsx files", |
|
5 | 5 | "keywords": [ |
|
6 | 6 | "dojo", |
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7 | 7 | "tsx", |
|
8 | 8 | "typescript", |
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9 | 9 | "widgets" |
|
10 | 10 | ], |
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11 | 11 | "author": "Implab team", |
|
12 | 12 | "license": "BSD-2-Clause", |
|
13 | 13 | "repository": "https://code.implab.org/implab/implabjs-djx", |
|
14 | 14 | "publishConfig": { |
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15 | 15 | "access": "public" |
|
16 | 16 | }, |
|
17 | 17 | "peerDependencies": { |
|
18 | 18 | "@implab/core-amd": "^1.4.6", |
|
19 | 19 | "dojo": "^1.10.0" |
|
20 | 20 | }, |
|
21 | 21 | "devDependencies": { |
|
22 | 22 | "@implab/core-amd": "^1.4.6", |
|
23 | 23 | "@types/chai": "4.1.3", |
|
24 | 24 | "@types/requirejs": "2.1.31", |
|
25 | 25 | "@types/yaml": "1.2.0", |
|
26 | 26 | "@types/tap": "15.0.7", |
|
27 | 27 | "rxjs": "7.5.6", |
|
28 | 28 | "dojo": "1.16.0", |
|
29 |
"@implab/dojo-typings": "1.0. |
|
|
29 | "@implab/dojo-typings": "1.0.7", | |
|
30 | 30 | "@typescript-eslint/eslint-plugin": "^5.23.0", |
|
31 | 31 | "@typescript-eslint/parser": "^5.23.0", |
|
32 | 32 | "eslint": "^8.28.0", |
|
33 | 33 | "eslint-config-standard": "^17.0.0", |
|
34 | 34 | "eslint-plugin-import": "^2.26.0", |
|
35 | 35 | "eslint-plugin-n": "^15.2.0", |
|
36 | 36 | "eslint-plugin-promise": "^6.0.0", |
|
37 | 37 | "eslint-plugin-react": "^7.29.4", |
|
38 | 38 | "requirejs": "2.3.6", |
|
39 | 39 | "typescript": "4.8.3", |
|
40 | 40 | "yaml": "~1.7.2", |
|
41 | 41 | "tap": "16.3.0" |
|
42 | 42 | } |
|
43 | 43 | } |
@@ -1,196 +1,196 | |||
|
1 | 1 | import { Constructor } from "@implab/core-amd/interfaces"; |
|
2 | 2 | import { HtmlRendition } from "./tsx/HtmlRendition"; |
|
3 | 3 | import { WidgetRendition } from "./tsx/WidgetRendition"; |
|
4 | 4 | import { isElementNode, isWidget, isWidgetConstructor, Rendition } from "./tsx/traits"; |
|
5 | 5 | import { FunctionRendition } from "./tsx/FunctionRendition"; |
|
6 | 6 | import Stateful = require("dojo/Stateful"); |
|
7 | 7 | import _WidgetBase = require("dijit/_WidgetBase"); |
|
8 | 8 | import { DjxWidgetBase } from "./tsx/DjxWidgetBase"; |
|
9 | 9 | import { WatchRendition } from "./tsx/WatchRendition"; |
|
10 | 10 | import { Observable, observe, Subscribable } from "./observable"; |
|
11 | 11 | import djAttr = require("dojo/dom-attr"); |
|
12 | 12 | import djClass = require("dojo/dom-class"); |
|
13 | 13 | import { AnimationAttrs, WatchForRendition } from "./tsx/WatchForRendition"; |
|
14 | 14 | import { OrderedUpdate } from "./store"; |
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15 | 15 | |
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16 | 16 | export function createElement<T extends Constructor | string | ((props: object) => Element)>(elementType: T, ...args: unknown[]): Rendition { |
|
17 | 17 | if (typeof elementType === "string") { |
|
18 | 18 | const ctx = new HtmlRendition(elementType); |
|
19 | 19 | if (args) |
|
20 | 20 | args.forEach(x => ctx.visitNext(x)); |
|
21 | 21 | |
|
22 | 22 | return ctx; |
|
23 | 23 | } else if (isWidgetConstructor(elementType)) { |
|
24 | 24 | const ctx = new WidgetRendition(elementType); |
|
25 | 25 | if (args) |
|
26 | 26 | args.forEach(x => ctx.visitNext(x)); |
|
27 | 27 | |
|
28 | 28 | return ctx; |
|
29 | 29 | } else if (typeof elementType === "function") { |
|
30 | 30 | const ctx = new FunctionRendition(elementType as (props: unknown) => Element); |
|
31 | 31 | if (args) |
|
32 | 32 | args.forEach(x => ctx.visitNext(x)); |
|
33 | 33 | |
|
34 | 34 | return ctx; |
|
35 | 35 | } else { |
|
36 | 36 | throw new Error(`The element type '${String(elementType)}' is unsupported`); |
|
37 | 37 | } |
|
38 | 38 | } |
|
39 | 39 | |
|
40 | 40 | export interface EventDetails<T = unknown> { |
|
41 | 41 | detail: T; |
|
42 | 42 | } |
|
43 | 43 | |
|
44 | 44 | export interface EventSelector { |
|
45 | 45 | selectorTarget: HTMLElement; |
|
46 | 46 | target: HTMLElement; |
|
47 | 47 | } |
|
48 | 48 | |
|
49 | 49 | export type DojoMouseEvent<T = unknown> = MouseEvent & EventSelector & EventDetails<T>; |
|
50 | 50 | |
|
51 | 51 | type StatefulProps<T> = T extends Stateful<infer A> ? A : |
|
52 | 52 | T extends _WidgetBase ? T : never; |
|
53 | 53 | |
|
54 | 54 | |
|
55 | 55 | /** |
|
56 | 56 | * Observers the property and calls render callback each change. |
|
57 | 57 | * |
|
58 | 58 | * @param target The target object which property will be observed. |
|
59 | 59 | * @param prop The name of the property. |
|
60 | 60 | * @param render The callback which will be called every time the value is changed |
|
61 | 61 | * @returns Rendition which is created instantly |
|
62 | 62 | */ |
|
63 | 63 | export function watch<W extends _WidgetBase, K extends keyof W>( |
|
64 | 64 | target: W, |
|
65 | 65 | prop: K, |
|
66 | 66 | render: (model: W[K]) => unknown |
|
67 | 67 | ): Rendition; |
|
68 | 68 | /** |
|
69 | 69 | * Observers the property and calls render callback each change. |
|
70 | 70 | * |
|
71 | 71 | * @param target The target object which property will be observed. |
|
72 | 72 | * @param prop The name of the property. |
|
73 | 73 | * @param render The callback which will be called every time the value is changed |
|
74 | 74 | * @returns Rendition which is created instantly |
|
75 | 75 | */ |
|
76 | 76 | export function watch<T extends Stateful, K extends keyof StatefulProps<T>>( |
|
77 | 77 | target: T, |
|
78 | 78 | prop: K, |
|
79 | 79 | render: (model: StatefulProps<T>[K]) => unknown |
|
80 | 80 | ): Rendition; |
|
81 | 81 | export function watch<V>(subj: Subscribable<V>, render: (model: V) => unknown): Rendition; |
|
82 | 82 | export function watch( |
|
83 | 83 | ...args: [Stateful, string, (model: unknown) => unknown] | |
|
84 | 84 | [Subscribable<unknown>, (model: unknown) => unknown] |
|
85 | 85 | ) { |
|
86 | 86 | if (args.length === 3) { |
|
87 | 87 | const [target, prop, render] = args; |
|
88 | 88 | return new WatchRendition( |
|
89 | 89 | render, |
|
90 | 90 | observe(({next}) => { |
|
91 | 91 | const h = target.watch( |
|
92 | 92 | prop, |
|
93 | 93 | (_prop, oldValue, newValue) => oldValue !== newValue && next(newValue) |
|
94 | 94 | ); |
|
95 | 95 | next(target.get(prop)); |
|
96 | 96 | return () => h.remove(); |
|
97 | 97 | }) |
|
98 | 98 | ); |
|
99 | 99 | } else { |
|
100 | 100 | const [subj, render] = args; |
|
101 | 101 | return new WatchRendition(render, subj); |
|
102 | 102 | } |
|
103 | 103 | } |
|
104 | 104 | |
|
105 | 105 | export const watchFor = <T>(source: T[] | Subscribable<OrderedUpdate<T>> | null | undefined, render: (item: T, index: number) => unknown, opts: AnimationAttrs = {}) => { |
|
106 | 106 | return new WatchForRendition({ |
|
107 | 107 | ...opts, |
|
108 | 108 | subject: source, |
|
109 | 109 | component: render |
|
110 | 110 | }); |
|
111 | 111 | }; |
|
112 | 112 | |
|
113 | 113 | |
|
114 | 114 | export const prop: { |
|
115 | 115 | <T extends Stateful, K extends string & keyof StatefulProps<T>>(target: T, name: K): Observable<StatefulProps<T>[K]>; |
|
116 | 116 | <T extends _WidgetBase, K extends keyof T>(target: T, name: K): Observable<T[K]>; |
|
117 | 117 | } = (target: Stateful, name: string) => { |
|
118 | 118 | return observe(({next}) => { |
|
119 | 119 | const h = target.watch( |
|
120 | 120 | name, |
|
121 | 121 | (_prop, oldValue, newValue) => oldValue !== newValue && next(newValue) |
|
122 | 122 | ); |
|
123 | 123 | next(target.get(name)); |
|
124 | 124 | return () => h.remove(); |
|
125 | 125 | }); |
|
126 | 126 | }; |
|
127 | 127 | |
|
128 | 128 | export const attach = <W extends DjxWidgetBase, K extends keyof W>(target: W, name: K) => (v: W[K]) => target.set(name, v); |
|
129 | 129 | |
|
130 | 130 | export const bind = <K extends string, T>(attr: K, subj: Subscribable<T>) => { |
|
131 | 131 | let h = { unsubscribe() { } }; |
|
132 | 132 | |
|
133 | return (el: Element | { set(name: K, value: T): void; } | undefined) => { | |
|
133 | return (el: Element | { set(name: K, value: T, priority?: boolean): void; } | undefined) => { | |
|
134 | 134 | if (el) { |
|
135 | 135 | if (isElementNode(el)) { |
|
136 | 136 | h = subj.subscribe({ |
|
137 | 137 | next: value => djAttr.set(el, attr, value) |
|
138 | 138 | }); |
|
139 | 139 | } else { |
|
140 | 140 | h = subj.subscribe({ |
|
141 | next: value => el.set(attr, value) | |
|
141 | next: value => el.set(attr, value, false) | |
|
142 | 142 | }); |
|
143 | 143 | } |
|
144 | 144 | } else { |
|
145 | 145 | h.unsubscribe(); |
|
146 | 146 | } |
|
147 | 147 | }; |
|
148 | 148 | }; |
|
149 | 149 | |
|
150 | 150 | /** Creates refHook to toggle the specified css class on the target element |
|
151 | 151 | * |
|
152 | 152 | * @param className |
|
153 | 153 | * @param subj a boolean observable value. When the value is false the className |
|
154 | 154 | * is removed, when the value is true, the className is added to the target element |
|
155 | 155 | * @returns refHook |
|
156 | 156 | */ |
|
157 | 157 | export const toggleClass = (className: string, subj: Subscribable<boolean>) => { |
|
158 | 158 | let h = { unsubscribe() { } }; |
|
159 | 159 | return (elOrWidget: HTMLElement | _WidgetBase | undefined) => { |
|
160 | 160 | const el = isWidget(elOrWidget) ? elOrWidget.domNode : elOrWidget; |
|
161 | 161 | if (el) { |
|
162 | 162 | h = subj.subscribe({ |
|
163 | 163 | next: v => djClass.toggle(el, className, v || false) |
|
164 | 164 | }); |
|
165 | 165 | } else { |
|
166 | 166 | h.unsubscribe(); |
|
167 | 167 | } |
|
168 | 168 | }; |
|
169 | 169 | }; |
|
170 | 170 | |
|
171 | 171 | /** Combines multiple hooks to the single one */ |
|
172 | 172 | export const all = <T, A extends JSX.Ref<T>[]>(...cbs: A): JSX.Ref<T> => (arg: T | undefined) => cbs.forEach(cb => cb(arg)); |
|
173 | 173 | |
|
174 | 174 | /** Decorates the method which will be registered as the handle for the specified event. |
|
175 | 175 | * This decorator can be applied to DjxWidgetBase subclass methods. |
|
176 | 176 | * |
|
177 | 177 | * ``` |
|
178 | 178 | * @on("click") |
|
179 | 179 | * _onClick(eventObj: MouseEvent) { |
|
180 | 180 | * // ... |
|
181 | 181 | * } |
|
182 | 182 | * ``` |
|
183 | 183 | */ |
|
184 | 184 | export const on = <E extends string>(...eventNames: E[]) => |
|
185 | 185 | <K extends string, |
|
186 | 186 | T extends DjxWidgetBase<object, { [p in E]: EV }>, |
|
187 | 187 | EV extends Event |
|
188 | 188 | >( |
|
189 | 189 | target: T, |
|
190 | 190 | key: K, |
|
191 | 191 | // eslint-disable-next-line @typescript-eslint/no-unused-vars |
|
192 | 192 | _descriptor: TypedPropertyDescriptor<(eventObj: EV) => void> | TypedPropertyDescriptor<() => void> |
|
193 | 193 | ) => { |
|
194 | 194 | const handlers = eventNames.map(eventName => ({ eventName, handlerMethod: key })); |
|
195 | 195 | target._eventHandlers = target._eventHandlers ? target._eventHandlers.concat(handlers) : handlers; |
|
196 | 196 | }; |
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