diff options
Diffstat (limited to 'Source/WebInspectorUI/UserInterface/Views/VisualStyleNumberInputBox.js')
-rw-r--r-- | Source/WebInspectorUI/UserInterface/Views/VisualStyleNumberInputBox.js | 408 |
1 files changed, 408 insertions, 0 deletions
diff --git a/Source/WebInspectorUI/UserInterface/Views/VisualStyleNumberInputBox.js b/Source/WebInspectorUI/UserInterface/Views/VisualStyleNumberInputBox.js new file mode 100644 index 000000000..bd25393e2 --- /dev/null +++ b/Source/WebInspectorUI/UserInterface/Views/VisualStyleNumberInputBox.js @@ -0,0 +1,408 @@ +/* + * Copyright (C) 2015 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +WebInspector.VisualStyleNumberInputBox = class VisualStyleNumberInputBox extends WebInspector.VisualStylePropertyEditor +{ + constructor(propertyNames, text, possibleValues, possibleUnits, allowNegativeValues, layoutReversed) + { + let unitlessNumberUnit = WebInspector.UIString("Number"); + + super(propertyNames, text, possibleValues, possibleUnits || [unitlessNumberUnit], "number-input-box", layoutReversed); + + this._unitlessNumberUnit = unitlessNumberUnit; + + this._hasUnits = this._possibleUnits.basic.some((unit) => unit !== unitlessNumberUnit); + this._allowNegativeValues = !!allowNegativeValues || false; + + this.contentElement.classList.toggle("no-values", !possibleValues || !possibleValues.length); + this.contentElement.classList.toggle("no-units", !this._hasUnits); + + let focusRingElement = document.createElement("div"); + focusRingElement.classList.add("focus-ring"); + this.contentElement.appendChild(focusRingElement); + + this._keywordSelectElement = document.createElement("select"); + this._keywordSelectElement.classList.add("number-input-keyword-select"); + if (this._possibleUnits.advanced) + this._keywordSelectElement.title = WebInspector.UIString("Option-click to show all units"); + + this._unchangedOptionElement = document.createElement("option"); + this._unchangedOptionElement.value = ""; + this._unchangedOptionElement.text = WebInspector.UIString("Unchanged"); + this._keywordSelectElement.appendChild(this._unchangedOptionElement); + + this._keywordSelectElement.appendChild(document.createElement("hr")); + + if (this._possibleValues) { + this._createValueOptions(this._possibleValues.basic); + this._keywordSelectElement.appendChild(document.createElement("hr")); + } + + if (this._possibleUnits) + this._createUnitOptions(this._possibleUnits.basic); + + this._advancedUnitsElements = null; + + this._keywordSelectElement.addEventListener("focus", this._focusContentElement.bind(this)); + this._keywordSelectElement.addEventListener("mousedown", this._keywordSelectMouseDown.bind(this)); + this._keywordSelectElement.addEventListener("change", this._keywordChanged.bind(this)); + this._keywordSelectElement.addEventListener("blur", this._blurContentElement.bind(this)); + this.contentElement.appendChild(this._keywordSelectElement); + + this._numberUnitsContainer = document.createElement("div"); + this._numberUnitsContainer.classList.add("number-input-container"); + + this._valueNumberInputElement = document.createElement("input"); + this._valueNumberInputElement.classList.add("number-input-value"); + this._valueNumberInputElement.spellcheck = false; + this._valueNumberInputElement.addEventListener("focus", this._focusContentElement.bind(this)); + this._valueNumberInputElement.addEventListener("keydown", this._valueNumberInputKeyDown.bind(this)); + this._valueNumberInputElement.addEventListener("keyup", this.debounce(250)._valueNumberInputKeyUp); + this._valueNumberInputElement.addEventListener("blur", this._blurContentElement.bind(this)); + this._valueNumberInputElement.addEventListener("change", this.debounce(250)._valueNumberInputChanged); + this._numberUnitsContainer.appendChild(this._valueNumberInputElement); + + this._unitsElement = document.createElement("span"); + this._numberUnitsContainer.appendChild(this._unitsElement); + + this.contentElement.appendChild(this._numberUnitsContainer); + + this._setNumberInputIsEditable(true); + this._valueNumberInputElement.value = null; + this._valueNumberInputElement.setAttribute("placeholder", 0); + this._unitsElementTextContent = this._keywordSelectElement.value = this.valueIsSupportedUnit("px") ? "px" : this._possibleUnits.basic[0]; + } + + // Public + + get value() + { + if (this._numberInputIsEditable) + return parseFloat(this._valueNumberInputElement.value); + return this._keywordSelectElement.value || null; + } + + set value(value) + { + if (value && value === this.value) + return; + + if (this._propertyMissing) { + if (value || this._updatedValues.placeholder) + this.specialPropertyPlaceholderElement.textContent = (value || this._updatedValues.placeholder) + (this._updatedValues.units || ""); + + if (isNaN(value)) { + this._unchangedOptionElement.selected = true; + this._setNumberInputIsEditable(); + this.specialPropertyPlaceholderElement.hidden = false; + return; + } + } + + this.specialPropertyPlaceholderElement.hidden = true; + + if (!value) { + this._valueNumberInputElement.value = null; + this._markUnitsContainerIfInputHasValue(); + return; + } + + if (!isNaN(value)) { + this._setNumberInputIsEditable(true); + this._valueNumberInputElement.value = Math.round(value * 100) / 100; + this._markUnitsContainerIfInputHasValue(); + return; + } + + if (this.valueIsSupportedKeyword(value)) { + this._setNumberInputIsEditable(); + this._keywordSelectElement.value = value; + return; + } + } + + get units() + { + if (this._unchangedOptionElement.selected) + return null; + + let keyword = this._keywordSelectElement.value; + if (!this.valueIsSupportedUnit(keyword)) + return null; + + return keyword; + } + + set units(unit) + { + if (this._unchangedOptionElement.selected || unit === this.units) + return; + + if (!unit && !this._possibleUnits.basic.includes(this._unitlessNumberUnit) && !this.valueIsSupportedUnit(unit)) + return; + + if (this._valueIsSupportedAdvancedUnit(unit)) + this._addAdvancedUnits(); + + this._setNumberInputIsEditable(true); + this._keywordSelectElement.value = unit || this._unitlessNumberUnit; + this._unitsElementTextContent = unit; + } + + get placeholder() + { + return this._valueNumberInputElement.getAttribute("placeholder"); + } + + set placeholder(text) + { + if (text === this.placeholder) + return; + + let onlyNumericalText = text && !isNaN(text) && (Math.round(text * 100) / 100); + this._valueNumberInputElement.setAttribute("placeholder", onlyNumericalText || 0); + + if (!onlyNumericalText) + this.specialPropertyPlaceholderElement.textContent = this._canonicalizedKeywordForKey(text) || text; + } + + get synthesizedValue() + { + if (this._unchangedOptionElement.selected) + return null; + + let value = this._valueNumberInputElement.value; + if (this._numberInputIsEditable && !value) + return null; + + let keyword = this._keywordSelectElement.value; + return this.valueIsSupportedUnit(keyword) ? value + (keyword === this._unitlessNumberUnit ? "" : keyword) : keyword; + } + + updateValueFromText(text, value) + { + let match = this.parseValue(value); + this.value = match ? match[1] : value; + this.units = match ? match[2] : null; + return this.modifyPropertyText(text, value); + } + + // Protected + + set specialPropertyPlaceholderElementText(text) + { + this._unchangedOptionElement.selected = true; + + super.specialPropertyPlaceholderElementText = text; + } + + parseValue(text) + { + return /^(-?[\d.]+)([^\s\d]{0,4})(?:\s*;?)$/.exec(text); + } + + // Private + + set _unitsElementTextContent(text) + { + if (!this._hasUnits) + return; + + this._unitsElement.textContent = text === this._unitlessNumberUnit ? "" : text; + this._markUnitsContainerIfInputHasValue(); + } + + _setNumberInputIsEditable(flag) + { + this._numberInputIsEditable = flag || false; + this.contentElement.classList.toggle("number-input-editable", this._numberInputIsEditable); + } + + _markUnitsContainerIfInputHasValue() + { + let numberInputValue = this._valueNumberInputElement.value; + this._numberUnitsContainer.classList.toggle("has-value", numberInputValue && numberInputValue.length); + } + + _keywordChanged() + { + let unchangedOptionSelected = this._unchangedOptionElement.selected; + if (!unchangedOptionSelected) { + let selectedKeywordIsUnit = this.valueIsSupportedUnit(this._keywordSelectElement.value); + if (!this._numberInputIsEditable && selectedKeywordIsUnit) + this._valueNumberInputElement.value = null; + + this._unitsElementTextContent = this._keywordSelectElement.value; + this._setNumberInputIsEditable(selectedKeywordIsUnit); + } else + this._setNumberInputIsEditable(false); + + this._valueDidChange(); + this.specialPropertyPlaceholderElement.hidden = !unchangedOptionSelected; + } + + _valueNumberInputKeyDown(event) + { + if (!this._numberInputIsEditable) + return; + + function adjustValue(delta) + { + let newValue; + let value = this.value; + if (!value && isNaN(value)) { + let placeholderValue = this.placeholder && !isNaN(this.placeholder) ? parseFloat(this.placeholder) : 0; + newValue = placeholderValue + delta; + } else + newValue = value + delta; + + if (!this._allowNegativeValues && newValue < 0) + newValue = 0; + + this._propertyMissing = false; + this.value = Math.round(newValue * 100) / 100; + this._valueDidChange(); + } + + let shift = 1; + if (event.ctrlKey) + shift /= 10; + else if (event.shiftKey) + shift *= 10; + + let key = event.keyIdentifier; + if (key.startsWith("Page")) + shift *= 10; + + if (key === "Up" || key === "PageUp") { + event.preventDefault(); + adjustValue.call(this, shift); + return; + } + + if (key === "Down" || key === "PageDown") { + event.preventDefault(); + adjustValue.call(this, -shift); + return; + } + + this._markUnitsContainerIfInputHasValue(); + this.debounce(250)._valueDidChange(); + } + + _valueNumberInputKeyUp(event) + { + if (!this._numberInputIsEditable) + return; + + this._markUnitsContainerIfInputHasValue(); + this._valueDidChange(); + } + + _keywordSelectMouseDown(event) + { + if (event.altKey) + this._addAdvancedUnits(); + else if (!this._valueIsSupportedAdvancedUnit(this._keywordSelectElement.value)) + this._removeAdvancedUnits(); + } + + _createValueOptions(values) + { + let addedElements = []; + for (let key in values) { + let option = document.createElement("option"); + option.value = key; + option.text = values[key]; + this._keywordSelectElement.appendChild(option); + addedElements.push(option); + } + + return addedElements; + } + + _createUnitOptions(units) + { + let addedElements = []; + for (let unit of units) { + let option = document.createElement("option"); + option.text = unit; + this._keywordSelectElement.appendChild(option); + addedElements.push(option); + } + + return addedElements; + } + + _addAdvancedUnits() + { + if (this._advancedUnitsElements) + return; + + this._keywordSelectElement.appendChild(document.createElement("hr")); + this._advancedUnitsElements = this._createUnitOptions(this._possibleUnits.advanced); + } + + _removeAdvancedUnits() + { + if (!this._advancedUnitsElements) + return; + + this._keywordSelectElement.removeChild(this._advancedUnitsElements[0].previousSibling); + for (let element of this._advancedUnitsElements) + this._keywordSelectElement.removeChild(element); + + this._advancedUnitsElements = null; + } + + _focusContentElement(event) + { + this.contentElement.classList.add("focused"); + } + + _blurContentElement(event) + { + this.contentElement.classList.remove("focused"); + } + + _valueNumberInputChanged(event) + { + let newValue = this.value; + if (!newValue && isNaN(newValue)) + newValue = this.placeholder && !isNaN(this.placeholder) ? parseFloat(this.placeholder) : 0; + + if (!this._allowNegativeValues && newValue < 0) + newValue = 0; + + this.value = Math.round(newValue * 100) / 100; + this._valueDidChange(); + } + + _toggleTabbingOfSelectableElements(disabled) + { + this._keywordSelectElement.tabIndex = disabled ? "-1" : null; + this._valueNumberInputElement.tabIndex = disabled ? "-1" : null; + } +}; |