114 lines
2.1 KiB
TypeScript
114 lines
2.1 KiB
TypeScript
namespace formgen.input
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{
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/**
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*/
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export class class_input_checkbox implements interface_input<boolean>
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{
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/**
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*/
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private additional_classes : Array<string>;
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/**
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*/
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private label : (null | string);
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/**
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*/
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private element_input : (null | Element);
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/**
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*/
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public constructor(
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{
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"additional_classes": additional_classes = [],
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"label": label = null,
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}
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:
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{
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additional_classes ?: Array<string>,
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label ?: (null | string);
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}
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=
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{
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}
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)
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{
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this.additional_classes = ["formgen-input-checkbox"].concat(additional_classes);
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this.label = label;
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this.element_input = null;
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}
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/**
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* [implementation]
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*/
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public setup(
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target : Element
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) : Promise<void>
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{
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const id : string = formgen.helpers.string.generate();
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const element_container : Element = document.createElement("div");
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element_container.classList.add("formgen-input");
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for (const class_ of this.additional_classes)
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{
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element_container.classList.add(class_);
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}
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// label
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{
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if (this.label === null)
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{
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// do nothing
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}
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else
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{
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const element_label : Element = document.createElement("label");
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element_label.setAttribute("for", id);
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element_label.textContent = this.label;
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element_container.appendChild(element_label);
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}
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}
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// input
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{
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const element_input : Element = document.createElement("input");
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element_input.setAttribute("type", "checkbox");
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element_input.setAttribute("id", id);
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element_container.appendChild(element_input);
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this.element_input = element_input;
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}
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target.appendChild(element_container);
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return Promise.resolve<void>(undefined);
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}
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/**
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* [implementation]
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*/
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public read(
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) : Promise<boolean>
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{
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const value : boolean = (this.element_input as HTMLInputElement).checked;
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return Promise.resolve<boolean>(value);
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}
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/**
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* [implementation]
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*/
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public write(
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value : boolean
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) : Promise<void>
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{
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(this.element_input as HTMLInputElement).checked = value;
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return Promise.resolve<void>(undefined);
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}
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}
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}
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