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@blueprintjs/core

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/* * Copyright 2016 Palantir Technologies, Inc. All rights reserved. * Licensed under the BSD-3 License as modified (the “License”); you may obtain a copy * of the license at https://github.com/palantir/blueprint/blob/master/LICENSE * and https://github.com/palantir/blueprint/blob/master/PATENTS */ "use strict"; var __extends = (this && this.__extends) || function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; function __() { this.constructor = d; } d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); }; var __assign = (this && this.__assign) || Object.assign || function(t) { for (var s, i = 1, n = arguments.length; i < n; i++) { s = arguments[i]; for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p]; } return t; }; var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) { var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d; if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc); else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r; return c > 3 && r && Object.defineProperty(target, key, r), r; }; var classNames = require("classnames"); var PureRender = require("pure-render-decorator"); var React = require("react"); var Classes = require("../../common/classes"); var Keys = require("../../common/keys"); var utils_1 = require("../../common/utils"); var BUFFER_WIDTH = 30; var EditableText = (function (_super) { __extends(EditableText, _super); function EditableText(props, context) { var _this = this; _super.call(this, props, context); this.refHandlers = { content: function (spanElement) { _this.valueElement = spanElement; }, input: function (input) { if (input != null) { input.focus(); var length_1 = input.value.length; input.setSelectionRange(_this.props.selectAllOnFocus ? 0 : length_1, length_1); } }, }; this.cancelEditing = function () { var lastValue = _this.state.lastValue; _this.setState({ isEditing: false, value: lastValue }); // invoke onCancel after onChange so consumers' onCancel can override their onChange utils_1.safeInvoke(_this.props.onChange, lastValue); utils_1.safeInvoke(_this.props.onCancel, lastValue); }; this.toggleEditing = function () { if (_this.state.isEditing) { var value = _this.state.value; _this.setState({ isEditing: false, lastValue: value, }); utils_1.safeInvoke(_this.props.onChange, value); utils_1.safeInvoke(_this.props.onConfirm, value); } else if (!_this.props.disabled) { _this.setState({ isEditing: true }); } }; this.handleFocus = function () { if (!_this.props.disabled) { _this.setState({ isEditing: true }); } }; this.handleTextChange = function (event) { var value = event.target.value; // state value should be updated only when uncontrolled if (_this.props.value == null) { _this.setState({ value: value }); } utils_1.safeInvoke(_this.props.onChange, value); }; this.handleKeyEvent = function (_a) { var ctrlKey = _a.ctrlKey, metaKey = _a.metaKey, which = _a.which; if (which === Keys.ENTER && (!_this.props.multiline || ctrlKey || metaKey)) { _this.toggleEditing(); } else if (which === Keys.ESCAPE) { _this.cancelEditing(); } }; this.state = { inputHeight: 0, inputWidth: 0, isEditing: props.isEditing === true && props.disabled === false, lastValue: getValue(props), value: getValue(props), }; } EditableText.prototype.render = function () { var _a = this.props, disabled = _a.disabled, multiline = _a.multiline; var value = (this.props.value == null ? this.state.value : this.props.value); var hasValue = (value != null && value !== ""); var classes = classNames(Classes.EDITABLE_TEXT, Classes.intentClass(this.props.intent), (_b = {}, _b[Classes.DISABLED] = disabled, _b["pt-editable-editing"] = this.state.isEditing, _b["pt-editable-placeholder"] = !hasValue, _b["pt-multiline"] = multiline, _b ), this.props.className); var contentStyle; if (multiline) { // set height only in multiline mode when not editing // otherwise we're measuring this element to determine appropriate height of text contentStyle = { height: !this.state.isEditing ? this.state.inputHeight : null }; } else { // minWidth only applies in single line mode (multiline == width 100%) contentStyle = { height: this.state.inputHeight, lineHeight: this.state.inputHeight != null ? this.state.inputHeight + "px" : null, minWidth: this.props.minWidth, }; } // make enclosing div focusable when not editing, so it can still be tabbed to focus // (when editing, input itself is focusable so div doesn't need to be) var tabIndex = this.state.isEditing || disabled ? null : 0; return (React.createElement("div", {className: classes, onFocus: this.handleFocus, tabIndex: tabIndex}, this.maybeRenderInput(value), React.createElement("span", {className: "pt-editable-content", ref: this.refHandlers.content, style: contentStyle}, hasValue ? value : this.props.placeholder))); var _b; }; EditableText.prototype.componentDidMount = function () { this.updateInputDimensions(); }; EditableText.prototype.componentDidUpdate = function (_, prevState) { if (this.state.isEditing && !prevState.isEditing) { utils_1.safeInvoke(this.props.onEdit); } this.updateInputDimensions(); }; EditableText.prototype.componentWillReceiveProps = function (nextProps) { var state = { value: getValue(nextProps) }; if (nextProps.isEditing != null) { state.isEditing = nextProps.isEditing; } if (nextProps.disabled || (nextProps.disabled == null && this.props.disabled)) { state.isEditing = false; } this.setState(state); }; EditableText.prototype.maybeRenderInput = function (value) { var multiline = this.props.multiline; if (!this.state.isEditing) { return undefined; } var props = { className: "pt-editable-input", onBlur: this.toggleEditing, onChange: this.handleTextChange, onKeyDown: this.handleKeyEvent, ref: this.refHandlers.input, style: { height: this.state.inputHeight, lineHeight: !multiline && this.state.inputHeight != null ? this.state.inputHeight + "px" : null, width: multiline ? "100%" : this.state.inputWidth, }, value: value, }; return multiline ? React.createElement("textarea", __assign({}, props)) : React.createElement("input", __assign({type: "text"}, props)); }; EditableText.prototype.updateInputDimensions = function () { if (this.valueElement != null) { var _a = this.props, maxLines = _a.maxLines, minLines = _a.minLines, minWidth = _a.minWidth, multiline = _a.multiline; var _b = this.valueElement, parentElement_1 = _b.parentElement, scrollHeight_1 = _b.scrollHeight, scrollWidth = _b.scrollWidth, textContent = _b.textContent; var lineHeight = getLineHeight(this.valueElement); // add one line to computed <span> height if text ends in newline // because <span> collapses that trailing whitespace but <textarea> shows it if (multiline && this.state.isEditing && /\n$/.test(textContent)) { scrollHeight_1 += lineHeight; } if (lineHeight > 0) { // line height could be 0 if the isNaN block from getLineHeight kicks in scrollHeight_1 = utils_1.clamp(scrollHeight_1, minLines * lineHeight, maxLines * lineHeight); } // Chrome's input caret height misaligns text so the line-height must be larger than font-size. // The computed scrollHeight must also account for a larger inherited line-height from the parent. scrollHeight_1 = Math.max(scrollHeight_1, getFontSize(this.valueElement) + 1, getLineHeight(parentElement_1)); // IE11 needs a small buffer so text does not shift prior to resizing this.setState({ inputHeight: scrollHeight_1, inputWidth: Math.max(scrollWidth + BUFFER_WIDTH, minWidth), }); // synchronizes the ::before pseudo-element's height while editing for Chrome 53 if (multiline && this.state.isEditing) { setTimeout(function () { return parentElement_1.style.height = scrollHeight_1 + "px"; }); } } }; EditableText.defaultProps = { defaultValue: "", disabled: false, maxLines: Infinity, minLines: 1, minWidth: 80, multiline: false, placeholder: "Click to Edit", }; EditableText = __decorate([ PureRender ], EditableText); return EditableText; }(React.Component)); exports.EditableText = EditableText; function getValue(props) { return props.value == null ? props.defaultValue : props.value; } function getFontSize(element) { var fontSize = getComputedStyle(element).fontSize; return fontSize === "" ? 0 : parseInt(fontSize.slice(0, -2), 10); } function getLineHeight(element) { // getComputedStyle() => 18.0001px => 18 var lineHeight = parseInt(getComputedStyle(element).lineHeight.slice(0, -2), 10); // this check will be true if line-height is a keyword like "normal" if (isNaN(lineHeight)) { // @see http://stackoverflow.com/a/18430767/6342931 var line = document.createElement("span"); line.innerHTML = "<br>"; element.appendChild(line); var singleLineHeight = element.offsetHeight; line.innerHTML = "<br><br>"; var doubleLineHeight = element.offsetHeight; element.removeChild(line); // this can return 0 in edge cases lineHeight = doubleLineHeight - singleLineHeight; } return lineHeight; } exports.EditableTextFactory = React.createFactory(EditableText); //# 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* Copyright 2016 Palantir Technologies, Inc. All rights reserved.\n * Licensed under the BSD-3 License as modified (the “License”); you may obtain a copy\n * of the license at https://github.com/palantir/blueprint/blob/master/LICENSE\n * and https://github.com/palantir/blueprint/blob/master/PATENTS\n */\n\nimport * as classNames from \"classnames\";\nimport * as PureRender from \"pure-render-decorator\";\nimport * as React from \"react\";\n\nimport * as Classes from \"../../common/classes\";\nimport * as Keys from \"../../common/keys\";\nimport { IIntentProps, IProps } from \"../../common/props\";\nimport { clamp, safeInvoke } from \"../../common/utils\";\n\nexport interface IEditableTextProps extends IIntentProps, IProps {\n    /** Default text value of uncontrolled input. */\n    defaultValue?: string;\n\n    /**\n     * Whether the text can be edited.\n     * @default false\n     */\n    disabled?: boolean;\n\n    /** Whether the component is currently being edited. */\n    isEditing?: boolean;\n\n    /** Minimum width in pixels of the input, when not `multiline`. */\n    minWidth?: number;\n\n    /**\n     * Whether the component supports multiple lines of text.\n     * This prop should not be changed during the component's lifetime.\n     * @default false\n     */\n    multiline?: boolean;\n\n    /**\n     * Maximum number of lines before scrolling begins, when `multiline`.\n     */\n    maxLines?: number;\n\n    /**\n     * Minimum number of lines (essentially minimum height), when `multiline`.\n     * @default 1\n     */\n    minLines?: number;\n\n    /**\n     * Placeholder text when there is no value.\n     * @default \"Click to Edit\"\n     */\n    placeholder?: string;\n\n    /**\n     * Whether the entire text field should be selected on focus.\n     * If false, the cursor is placed at the end of the text.\n     * @default false\n     */\n    selectAllOnFocus?: boolean;\n\n    /** Text value of controlled input. */\n    value?: string;\n\n    /** Callback invoked when user cancels input with the `esc` key. Receives last confirmed value. */\n    onCancel?(value: string): void;\n\n    /** Callback invoked when user changes input in any way. */\n    onChange?(value: string): void;\n\n    /** Callback invoked when user confirms value with `enter` key or by blurring input. */\n    onConfirm?(value: string): void;\n\n    /** Callback invoked after the user enters edit mode. */\n    onEdit?(): void;\n}\n\nexport interface IEditableTextState {\n    /** Pixel height of the input, measured from span size */\n    inputHeight?: number;\n    /** Pixel width of the input, measured from span size */\n    inputWidth?: number;\n    /** Whether the value is currently being edited */\n    isEditing?: boolean;\n    /** The last confirmed value */\n    lastValue?: string;\n    /** The controlled input value, may be different from prop during editing */\n    value?: string;\n}\n\nconst BUFFER_WIDTH = 30;\n\n@PureRender\nexport class EditableText extends React.Component<IEditableTextProps, IEditableTextState> {\n    public static defaultProps: IEditableTextProps = {\n        defaultValue: \"\",\n        disabled: false,\n        maxLines: Infinity,\n        minLines: 1,\n        minWidth: 80,\n        multiline: false,\n        placeholder: \"Click to Edit\",\n    };\n\n    private valueElement: HTMLSpanElement;\n    private refHandlers = {\n        content: (spanElement: HTMLSpanElement) => {\n            this.valueElement = spanElement;\n        },\n        input: (input: HTMLInputElement | HTMLTextAreaElement) => {\n            if (input != null) {\n                input.focus();\n                const { length } = input.value;\n                input.setSelectionRange(this.props.selectAllOnFocus ? 0 : length, length);\n            }\n        },\n    };\n\n    public constructor(props?: IEditableTextProps, context?: any) {\n        super(props, context);\n\n        this.state = {\n            inputHeight: 0,\n            inputWidth: 0,\n            isEditing: props.isEditing === true && props.disabled === false,\n            lastValue: getValue(props),\n            value: getValue(props),\n        };\n    }\n\n    public render() {\n        const { disabled, multiline } = this.props;\n        const value = (this.props.value == null ? this.state.value : this.props.value);\n        const hasValue = (value != null && value !== \"\");\n\n        const classes = classNames(\n            Classes.EDITABLE_TEXT,\n            Classes.intentClass(this.props.intent),\n            {\n                [Classes.DISABLED]: disabled,\n                \"pt-editable-editing\": this.state.isEditing,\n                \"pt-editable-placeholder\": !hasValue,\n                \"pt-multiline\": multiline,\n            },\n            this.props.className,\n        );\n\n        let contentStyle: React.CSSProperties;\n        if (multiline) {\n            // set height only in multiline mode when not editing\n            // otherwise we're measuring this element to determine appropriate height of text\n            contentStyle = { height: !this.state.isEditing ? this.state.inputHeight : null };\n        } else {\n            // minWidth only applies in single line mode (multiline == width 100%)\n            contentStyle = {\n                height: this.state.inputHeight,\n                lineHeight: this.state.inputHeight != null ? `${this.state.inputHeight}px` : null,\n                minWidth: this.props.minWidth,\n            };\n        }\n\n        // make enclosing div focusable when not editing, so it can still be tabbed to focus\n        // (when editing, input itself is focusable so div doesn't need to be)\n        const tabIndex = this.state.isEditing || disabled ? null : 0;\n        return (\n            <div className={classes} onFocus={this.handleFocus} tabIndex={tabIndex}>\n                {this.maybeRenderInput(value)}\n                <span className=\"pt-editable-content\" ref={this.refHandlers.content} style={contentStyle}>\n                    {hasValue ? value : this.props.placeholder}\n                </span>\n            </div>\n        );\n    }\n\n    public componentDidMount() {\n        this.updateInputDimensions();\n    }\n\n    public componentDidUpdate(_: IEditableTextProps, prevState: IEditableTextState) {\n        if (this.state.isEditing && !prevState.isEditing) {\n            safeInvoke(this.props.onEdit);\n        }\n        this.updateInputDimensions();\n    }\n\n    public componentWillReceiveProps(nextProps: IEditableTextProps) {\n        const state: IEditableTextState = { value: getValue(nextProps) };\n        if (nextProps.isEditing != null)  {\n            state.isEditing = nextProps.isEditing;\n        }\n        if (nextProps.disabled || (nextProps.disabled == null && this.props.disabled)) {\n            state.isEditing = false;\n        }\n        this.setState(state);\n    }\n\n    public cancelEditing = () => {\n        const { lastValue } = this.state;\n        this.setState({ isEditing: false, value: lastValue });\n        // invoke onCancel after onChange so consumers' onCancel can override their onChange\n        safeInvoke(this.props.onChange, lastValue);\n        safeInvoke(this.props.onCancel, lastValue);\n    }\n\n    public toggleEditing = () => {\n        if (this.state.isEditing) {\n            const { value } = this.state;\n            this.setState({\n                isEditing: false,\n                lastValue: value,\n            });\n            safeInvoke(this.props.onChange, value);\n            safeInvoke(this.props.onConfirm, value);\n        } else if (!this.props.disabled) {\n            this.setState({ isEditing: true });\n        }\n    }\n\n    private handleFocus = () => {\n        if (!this.props.disabled) {\n            this.setState({ isEditing: true });\n        }\n    }\n\n    private handleTextChange = (event: React.FormEvent<HTMLElement>) => {\n        const value = (event.target as HTMLInputElement).value;\n        // state value should be updated only when uncontrolled\n        if (this.props.value == null) { this.setState({ value }); }\n        safeInvoke(this.props.onChange, value);\n    }\n\n    private handleKeyEvent = ({ ctrlKey, metaKey, which }: React.KeyboardEvent<HTMLElement>) => {\n        if (which === Keys.ENTER && (!this.props.multiline || ctrlKey || metaKey)) {\n            this.toggleEditing();\n        } else if (which === Keys.ESCAPE) {\n            this.cancelEditing();\n        }\n    }\n\n    private maybeRenderInput(value: string) {\n        const { multiline } = this.props;\n        if (!this.state.isEditing) {\n            return undefined;\n        }\n        const props: React.HTMLProps<HTMLInputElement | HTMLTextAreaElement> = {\n            className: \"pt-editable-input\",\n            onBlur: this.toggleEditing,\n            onChange: this.handleTextChange,\n            onKeyDown: this.handleKeyEvent,\n            ref: this.refHandlers.input,\n            style: {\n                height: this.state.inputHeight,\n                lineHeight: !multiline && this.state.inputHeight != null ? `${this.state.inputHeight}px` : null,\n                width: multiline ? \"100%\" : this.state.inputWidth,\n            },\n            value,\n        };\n        return multiline ? <textarea {...props} /> : <input type=\"text\" {...props} />;\n    }\n\n    private updateInputDimensions() {\n        if (this.valueElement != null) {\n            const { maxLines, minLines, minWidth, multiline } = this.props;\n            let { parentElement, scrollHeight, scrollWidth, textContent } = this.valueElement;\n            const lineHeight = getLineHeight(this.valueElement);\n            // add one line to computed <span> height if text ends in newline\n            // because <span> collapses that trailing whitespace but <textarea> shows it\n            if (multiline && this.state.isEditing && /\\n$/.test(textContent)) {\n                scrollHeight += lineHeight;\n            }\n            if (lineHeight > 0) {\n                // line height could be 0 if the isNaN block from getLineHeight kicks in\n                scrollHeight = clamp(scrollHeight, minLines * lineHeight, maxLines * lineHeight);\n            }\n            // Chrome's input caret height misaligns text so the line-height must be larger than font-size.\n            // The computed scrollHeight must also account for a larger inherited line-height from the parent.\n            scrollHeight = Math.max(scrollHeight, getFontSize(this.valueElement) + 1, getLineHeight(parentElement));\n            // IE11 needs a small buffer so text does not shift prior to resizing\n            this.setState({\n                inputHeight: scrollHeight,\n                inputWidth: Math.max(scrollWidth + BUFFER_WIDTH, minWidth),\n            });\n            // synchronizes the ::before pseudo-element's height while editing for Chrome 53\n            if (multiline && this.state.isEditing) {\n                setTimeout(() => parentElement.style.height = `${scrollHeight}px`);\n            }\n        }\n    }\n}\n\nfunction getValue(props: IEditableTextProps) {\n    return props.value == null ? props.defaultValue : props.value;\n}\n\nfunction getFontSize(element: HTMLElement) {\n    const fontSize = getComputedStyle(element).fontSize;\n    return fontSize === \"\" ? 0 : parseInt(fontSize.slice(0, -2), 10);\n}\n\nfunction getLineHeight(element: HTMLElement) {\n    // getComputedStyle() => 18.0001px => 18\n    let lineHeight = parseInt(getComputedStyle(element).lineHeight.slice(0, -2), 10);\n    // this check will be true if line-height is a keyword like \"normal\"\n    if (isNaN(lineHeight)) {\n        // @see http://stackoverflow.com/a/18430767/6342931\n        const line = document.createElement(\"span\");\n        line.innerHTML = \"<br>\";\n        element.appendChild(line);\n        const singleLineHeight = element.offsetHeight;\n        line.innerHTML = \"<br><br>\";\n        const doubleLineHeight = element.offsetHeight;\n        element.removeChild(line);\n        // this can return 0 in edge cases\n        lineHeight = doubleLineHeight - singleLineHeight;\n    }\n    return lineHeight;\n}\n\nexport const EditableTextFactory = React.createFactory(EditableText);\n"],"sourceRoot":"/source/"}