blob: f0a9afbf8d21fee884414daf1c71e39beea5140c [file] [log] [blame]
/*
* Copyright (C) 2007 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE 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 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.StylesSidebarPane = function()
{
WebInspector.SidebarPane.call(this, WebInspector.UIString("Styles"));
}
WebInspector.StylesSidebarPane.prototype = {
update: function(node, editedSection, forceUpdate)
{
var refresh = false;
if (forceUpdate)
delete this.node;
if (!forceUpdate && (!node || node === this.node))
refresh = true;
if (node && node.nodeType === Node.TEXT_NODE && node.parentNode)
node = node.parentNode;
if (node && node.nodeType !== Node.ELEMENT_NODE)
node = null;
if (node)
this.node = node;
else
node = this.node;
var body = this.bodyElement;
if (!refresh || !node) {
body.removeChildren();
this.sections = [];
}
if (!node)
return;
var styleRules = [];
if (refresh) {
for (var i = 0; i < this.sections.length; ++i) {
var section = this.sections[i];
if (section.computedStyle)
section.styleRule.style = node.ownerDocument.defaultView.getComputedStyle(node);
var styleRule = { section: section, style: section.styleRule.style, computedStyle: section.computedStyle };
styleRules.push(styleRule);
}
} else {
var computedStyle = node.ownerDocument.defaultView.getComputedStyle(node);
styleRules.push({ computedStyle: true, selectorText: WebInspector.UIString("Computed Style"), style: computedStyle, editable: false });
var nodeName = node.nodeName.toLowerCase();
for (var i = 0; i < node.attributes.length; ++i) {
var attr = node.attributes[i];
if (attr.style) {
var attrStyle = { style: attr.style, editable: false };
attrStyle.subtitle = WebInspector.UIString("element’s “%s” attribute", attr.name);
attrStyle.selectorText = nodeName + "[" + attr.name;
if (attr.value.length)
attrStyle.selectorText += "=" + attr.value;
attrStyle.selectorText += "]";
styleRules.push(attrStyle);
}
}
if (node.style && (node.style.length || Object.hasProperties(node.style.__disabledProperties))) {
var inlineStyle = { selectorText: WebInspector.UIString("Inline Style Attribute"), style: node.style };
inlineStyle.subtitle = WebInspector.UIString("element’s “%s” attribute", "style");
styleRules.push(inlineStyle);
}
var matchedStyleRules = node.ownerDocument.defaultView.getMatchedCSSRules(node, "", !Preferences.showUserAgentStyles);
if (matchedStyleRules) {
// Add rules in reverse order to match the cascade order.
for (var i = (matchedStyleRules.length - 1); i >= 0; --i) {
var rule = matchedStyleRules[i];
styleRules.push({ style: rule.style, selectorText: rule.selectorText, parentStyleSheet: rule.parentStyleSheet });
}
}
}
function deleteDisabledProperty(style, name)
{
if (!style || !name)
return;
if (style.__disabledPropertyValues)
delete style.__disabledPropertyValues[name];
if (style.__disabledPropertyPriorities)
delete style.__disabledPropertyPriorities[name];
if (style.__disabledProperties)
delete style.__disabledProperties[name];
}
var usedProperties = {};
var disabledComputedProperties = {};
var priorityUsed = false;
// Walk the style rules and make a list of all used and overloaded properties.
for (var i = 0; i < styleRules.length; ++i) {
var styleRule = styleRules[i];
if (styleRule.computedStyle)
continue;
styleRule.usedProperties = {};
var style = styleRule.style;
for (var j = 0; j < style.length; ++j) {
var name = style[j];
if (!priorityUsed && style.getPropertyPriority(name).length)
priorityUsed = true;
// If the property name is already used by another rule then this rule's
// property is overloaded, so don't add it to the rule's usedProperties.
if (!(name in usedProperties))
styleRule.usedProperties[name] = true;
if (name === "font") {
// The font property is not reported as a shorthand. Report finding the individual
// properties so they are visible in computed style.
// FIXME: remove this when http://bugs.webkit.org/show_bug.cgi?id=15598 is fixed.
styleRule.usedProperties["font-family"] = true;
styleRule.usedProperties["font-size"] = true;
styleRule.usedProperties["font-style"] = true;
styleRule.usedProperties["font-variant"] = true;
styleRule.usedProperties["font-weight"] = true;
styleRule.usedProperties["line-height"] = true;
}
// Delete any disabled properties, since the property does exist.
// This prevents it from showing twice.
deleteDisabledProperty(style, name);
deleteDisabledProperty(style, style.getPropertyShorthand(name));
}
// Add all the properties found in this style to the used properties list.
// Do this here so only future rules are affect by properties used in this rule.
for (var name in styleRules[i].usedProperties)
usedProperties[name] = true;
// Remember all disabled properties so they show up in computed style.
if (style.__disabledProperties)
for (var name in style.__disabledProperties)
disabledComputedProperties[name] = true;
}
if (priorityUsed) {
// Walk the properties again and account for !important.
var foundPriorityProperties = [];
// Walk in reverse to match the order !important overrides.
for (var i = (styleRules.length - 1); i >= 0; --i) {
if (styleRules[i].computedStyle)
continue;
var style = styleRules[i].style;
var uniqueProperties = getUniqueStyleProperties(style);
for (var j = 0; j < uniqueProperties.length; ++j) {
var name = uniqueProperties[j];
if (style.getPropertyPriority(name).length) {
if (!(name in foundPriorityProperties))
styleRules[i].usedProperties[name] = true;
else
delete styleRules[i].usedProperties[name];
foundPriorityProperties[name] = true;
} else if (name in foundPriorityProperties)
delete styleRules[i].usedProperties[name];
}
}
}
if (refresh) {
// Walk the style rules and update the sections with new overloaded and used properties.
for (var i = 0; i < styleRules.length; ++i) {
var styleRule = styleRules[i];
var section = styleRule.section;
if (styleRule.computedStyle)
section.disabledComputedProperties = disabledComputedProperties;
section._usedProperties = (styleRule.usedProperties || usedProperties);
section.update((section === editedSection) || styleRule.computedStyle);
}
} else {
// Make a property section for each style rule.
for (var i = 0; i < styleRules.length; ++i) {
var styleRule = styleRules[i];
var subtitle = styleRule.subtitle;
delete styleRule.subtitle;
var computedStyle = styleRule.computedStyle;
delete styleRule.computedStyle;
var ruleUsedProperties = styleRule.usedProperties;
delete styleRule.usedProperties;
var editable = styleRule.editable;
delete styleRule.editable;
// Default editable to true if it was omitted.
if (typeof editable === "undefined")
editable = true;
var section = new WebInspector.StylePropertiesSection(styleRule, subtitle, computedStyle, (ruleUsedProperties || usedProperties), editable);
if (computedStyle)
section.disabledComputedProperties = disabledComputedProperties;
section.pane = this;
if (Preferences.styleRulesExpandedState && section.identifier in Preferences.styleRulesExpandedState)
section.expanded = Preferences.styleRulesExpandedState[section.identifier];
else if (computedStyle)
section.collapse(true);
else
section.expand(true);
body.appendChild(section.element);
this.sections.push(section);
}
}
}
}
WebInspector.StylesSidebarPane.prototype.__proto__ = WebInspector.SidebarPane.prototype;
WebInspector.StylePropertiesSection = function(styleRule, subtitle, computedStyle, usedProperties, editable)
{
WebInspector.PropertiesSection.call(this, styleRule.selectorText);
this.styleRule = styleRule;
this.computedStyle = computedStyle;
this.editable = (editable && !computedStyle);
// Prevent editing the user agent and user rules.
var isUserAgent = this.styleRule.parentStyleSheet && !this.styleRule.parentStyleSheet.ownerNode && !this.styleRule.parentStyleSheet.href;
var isUser = this.styleRule.parentStyleSheet && this.styleRule.parentStyleSheet.ownerNode && this.styleRule.parentStyleSheet.ownerNode.nodeName == '#document';
if (isUserAgent || isUser)
this.editable = false;
this._usedProperties = usedProperties;
if (computedStyle) {
this.element.addStyleClass("computed-style");
if (Preferences.showInheritedComputedStyleProperties)
this.element.addStyleClass("show-inherited");
var showInheritedLabel = document.createElement("label");
var showInheritedInput = document.createElement("input");
showInheritedInput.type = "checkbox";
showInheritedInput.checked = Preferences.showInheritedComputedStyleProperties;
var computedStyleSection = this;
var showInheritedToggleFunction = function(event) {
Preferences.showInheritedComputedStyleProperties = showInheritedInput.checked;
if (Preferences.showInheritedComputedStyleProperties)
computedStyleSection.element.addStyleClass("show-inherited");
else
computedStyleSection.element.removeStyleClass("show-inherited");
event.stopPropagation();
};
showInheritedLabel.addEventListener("click", showInheritedToggleFunction, false);
showInheritedLabel.appendChild(showInheritedInput);
showInheritedLabel.appendChild(document.createTextNode(WebInspector.UIString("Show inherited")));
this.subtitleElement.appendChild(showInheritedLabel);
} else {
if (!subtitle) {
if (this.styleRule.parentStyleSheet && this.styleRule.parentStyleSheet.href) {
var url = this.styleRule.parentStyleSheet.href;
subtitle = WebInspector.linkifyURL(url, WebInspector.displayNameForURL(url));
this.subtitleElement.addStyleClass("file");
} else if (isUserAgent)
subtitle = WebInspector.UIString("user agent stylesheet");
else if (isUser)
subtitle = WebInspector.UIString("user stylesheet");
else
subtitle = WebInspector.UIString("inline stylesheet");
}
this.subtitle = subtitle;
}
this.identifier = styleRule.selectorText;
if (this.subtitle)
this.identifier += ":" + this.subtitleElement.textContent;
}
WebInspector.StylePropertiesSection.prototype = {
get usedProperties()
{
return this._usedProperties || {};
},
set usedProperties(x)
{
this._usedProperties = x;
this.update();
},
expand: function(dontRememberState)
{
WebInspector.PropertiesSection.prototype.expand.call(this);
if (dontRememberState)
return;
if (!Preferences.styleRulesExpandedState)
Preferences.styleRulesExpandedState = {};
Preferences.styleRulesExpandedState[this.identifier] = true;
},
collapse: function(dontRememberState)
{
WebInspector.PropertiesSection.prototype.collapse.call(this);
if (dontRememberState)
return;
if (!Preferences.styleRulesExpandedState)
Preferences.styleRulesExpandedState = {};
Preferences.styleRulesExpandedState[this.identifier] = false;
},
isPropertyInherited: function(property)
{
if (!this.computedStyle || !this._usedProperties)
return false;
// These properties should always show for Computed Style.
var alwaysShowComputedProperties = { "display": true, "height": true, "width": true };
return !(property in this.usedProperties) && !(property in alwaysShowComputedProperties) && !(property in this.disabledComputedProperties);
},
isPropertyOverloaded: function(property, shorthand)
{
if (this.computedStyle || !this._usedProperties)
return false;
var used = (property in this.usedProperties);
if (used || !shorthand)
return !used;
// Find out if any of the individual longhand properties of the shorthand
// are used, if none are then the shorthand is overloaded too.
var longhandProperties = getLonghandProperties(this.styleRule.style, property);
for (var j = 0; j < longhandProperties.length; ++j) {
var individualProperty = longhandProperties[j];
if (individualProperty in this.usedProperties)
return false;
}
return true;
},
update: function(full)
{
if (full || this.computedStyle) {
this.propertiesTreeOutline.removeChildren();
this.populated = false;
} else {
var child = this.propertiesTreeOutline.children[0];
while (child) {
child.overloaded = this.isPropertyOverloaded(child.name, child.shorthand);
child = child.traverseNextTreeElement(false, null, true);
}
}
},
onpopulate: function()
{
var style = this.styleRule.style;
var foundShorthands = {};
var uniqueProperties = getUniqueStyleProperties(style);
var disabledProperties = style.__disabledPropertyValues || {};
for (var name in disabledProperties)
uniqueProperties.push(name);
uniqueProperties.sort();
for (var i = 0; i < uniqueProperties.length; ++i) {
var name = uniqueProperties[i];
var disabled = name in disabledProperties;
if (!disabled && this.disabledComputedProperties && !(name in this.usedProperties) && name in this.disabledComputedProperties)
disabled = true;
var shorthand = !disabled ? style.getPropertyShorthand(name) : null;
if (shorthand && shorthand in foundShorthands)
continue;
if (shorthand) {
foundShorthands[shorthand] = true;
name = shorthand;
}
var isShorthand = (shorthand ? true : false);
var inherited = this.isPropertyInherited(name);
var overloaded = this.isPropertyOverloaded(name, isShorthand);
var item = new WebInspector.StylePropertyTreeElement(style, name, isShorthand, inherited, overloaded, disabled);
this.propertiesTreeOutline.appendChild(item);
}
}
}
WebInspector.StylePropertiesSection.prototype.__proto__ = WebInspector.PropertiesSection.prototype;
WebInspector.StylePropertyTreeElement = function(style, name, shorthand, inherited, overloaded, disabled)
{
this.style = style;
this.name = name;
this.shorthand = shorthand;
this._inherited = inherited;
this._overloaded = overloaded;
this._disabled = disabled;
// Pass an empty title, the title gets made later in onattach.
TreeElement.call(this, "", null, shorthand);
}
WebInspector.StylePropertyTreeElement.prototype = {
get inherited()
{
return this._inherited;
},
set inherited(x)
{
if (x === this._inherited)
return;
this._inherited = x;
this.updateState();
},
get overloaded()
{
return this._overloaded;
},
set overloaded(x)
{
if (x === this._overloaded)
return;
this._overloaded = x;
this.updateState();
},
get disabled()
{
return this._disabled;
},
set disabled(x)
{
if (x === this._disabled)
return;
this._disabled = x;
this.updateState();
},
get priority()
{
if (this.disabled && this.style.__disabledPropertyPriorities && this.name in this.style.__disabledPropertyPriorities)
return this.style.__disabledPropertyPriorities[this.name];
return (this.shorthand ? getShorthandPriority(this.style, this.name) : this.style.getPropertyPriority(this.name));
},
get value()
{
if (this.disabled && this.style.__disabledPropertyValues && this.name in this.style.__disabledPropertyValues)
return this.style.__disabledPropertyValues[this.name];
return (this.shorthand ? getShorthandValue(this.style, this.name) : this.style.getPropertyValue(this.name));
},
onattach: function()
{
this.updateTitle();
},
updateTitle: function()
{
// "Nicknames" for some common values that are easier to read.
var valueNicknames = {
"rgb(0, 0, 0)": "black",
"#000": "black",
"#000000": "black",
"rgb(255, 255, 255)": "white",
"#fff": "white",
"#ffffff": "white",
"#FFF": "white",
"#FFFFFF": "white",
"rgba(0, 0, 0, 0)": "transparent",
"rgb(255, 0, 0)": "red",
"rgb(0, 255, 0)": "lime",
"rgb(0, 0, 255)": "blue",
"rgb(255, 255, 0)": "yellow",
"rgb(255, 0, 255)": "magenta",
"rgb(0, 255, 255)": "cyan"
};
var priority = this.priority;
var value = this.value;
var htmlValue = value;
if (priority && !priority.length)
delete priority;
if (priority)
priority = "!" + priority;
if (value) {
var urls = value.match(/url\([^)]+\)/);
if (urls) {
for (var i = 0; i < urls.length; ++i) {
var url = urls[i].substring(4, urls[i].length - 1);
htmlValue = htmlValue.replace(urls[i], "url(" + WebInspector.linkifyURL(url) + ")");
}
} else {
if (value in valueNicknames)
htmlValue = valueNicknames[value];
htmlValue = htmlValue.escapeHTML();
}
} else
htmlValue = value = "";
this.updateState();
var enabledCheckboxElement = document.createElement("input");
enabledCheckboxElement.className = "enabled-button";
enabledCheckboxElement.type = "checkbox";
enabledCheckboxElement.checked = !this.disabled;
enabledCheckboxElement.addEventListener("change", this.toggleEnabled.bind(this), false);
var nameElement = document.createElement("span");
nameElement.className = "name";
nameElement.textContent = this.name;
var valueElement = document.createElement("span");
valueElement.className = "value";
valueElement.innerHTML = htmlValue;
if (priority) {
var priorityElement = document.createElement("span");
priorityElement.className = "priority";
priorityElement.textContent = priority;
}
this.listItemElement.removeChildren();
// Append the checkbox for root elements of an editable section.
if (this.treeOutline.section && this.treeOutline.section.editable && this.parent.root)
this.listItemElement.appendChild(enabledCheckboxElement);
this.listItemElement.appendChild(nameElement);
this.listItemElement.appendChild(document.createTextNode(": "));
this.listItemElement.appendChild(valueElement);
if (priorityElement) {
this.listItemElement.appendChild(document.createTextNode(" "));
this.listItemElement.appendChild(priorityElement);
}
this.listItemElement.appendChild(document.createTextNode(";"));
if (value) {
// FIXME: this dosen't catch keyword based colors like black and white
var colors = value.match(/((rgb|hsl)a?\([^)]+\))|(#[0-9a-fA-F]{6})|(#[0-9a-fA-F]{3})/g);
if (colors) {
var colorsLength = colors.length;
for (var i = 0; i < colorsLength; ++i) {
var swatchElement = document.createElement("span");
swatchElement.className = "swatch";
swatchElement.style.setProperty("background-color", colors[i]);
this.listItemElement.appendChild(swatchElement);
}
}
}
this.tooltip = this.name + ": " + (valueNicknames[value] || value) + (priority ? " " + priority : "");
},
updateAll: function(updateAllRules)
{
if (updateAllRules && this.treeOutline.section && this.treeOutline.section.pane)
this.treeOutline.section.pane.update(null, this.treeOutline.section);
else if (this.treeOutline.section)
this.treeOutline.section.update(true);
else
this.updateTitle(); // FIXME: this will not show new properties. But we don't hit his case yet.
},
toggleEnabled: function(event)
{
var disabled = !event.target.checked;
if (disabled) {
if (!this.style.__disabledPropertyValues || !this.style.__disabledPropertyPriorities) {
var inspectedWindow = InspectorController.inspectedWindow();
this.style.__disabledProperties = new inspectedWindow.Object;
this.style.__disabledPropertyValues = new inspectedWindow.Object;
this.style.__disabledPropertyPriorities = new inspectedWindow.Object;
}
this.style.__disabledPropertyValues[this.name] = this.value;
this.style.__disabledPropertyPriorities[this.name] = this.priority;
if (this.shorthand) {
var longhandProperties = getLonghandProperties(this.style, this.name);
for (var i = 0; i < longhandProperties.length; ++i) {
this.style.__disabledProperties[longhandProperties[i]] = true;
this.style.removeProperty(longhandProperties[i]);
}
} else {
this.style.__disabledProperties[this.name] = true;
this.style.removeProperty(this.name);
}
} else {
this.style.setProperty(this.name, this.value, this.priority);
delete this.style.__disabledProperties[this.name];
delete this.style.__disabledPropertyValues[this.name];
delete this.style.__disabledPropertyPriorities[this.name];
}
// Set the disabled property here, since the code above replies on it not changing
// until after the value and priority are retrieved.
this.disabled = disabled;
if (this.treeOutline.section && this.treeOutline.section.pane)
this.treeOutline.section.pane.dispatchEventToListeners("style property toggled");
this.updateAll(true);
},
updateState: function()
{
if (!this.listItemElement)
return;
if (this.style.isPropertyImplicit(this.name) || this.value === "initial")
this.listItemElement.addStyleClass("implicit");
else
this.listItemElement.removeStyleClass("implicit");
if (this.inherited)
this.listItemElement.addStyleClass("inherited");
else
this.listItemElement.removeStyleClass("inherited");
if (this.overloaded)
this.listItemElement.addStyleClass("overloaded");
else
this.listItemElement.removeStyleClass("overloaded");
if (this.disabled)
this.listItemElement.addStyleClass("disabled");
else
this.listItemElement.removeStyleClass("disabled");
},
onpopulate: function()
{
// Only populate once and if this property is a shorthand.
if (this.children.length || !this.shorthand)
return;
var longhandProperties = getLonghandProperties(this.style, this.name);
for (var i = 0; i < longhandProperties.length; ++i) {
var name = longhandProperties[i];
if (this.treeOutline.section) {
var inherited = this.treeOutline.section.isPropertyInherited(name);
var overloaded = this.treeOutline.section.isPropertyOverloaded(name);
}
var item = new WebInspector.StylePropertyTreeElement(this.style, name, false, inherited, overloaded);
this.appendChild(item);
}
},
ondblclick: function(element, event)
{
this.startEditing(event.target);
},
startEditing: function(selectElement)
{
// FIXME: we don't allow editing of longhand properties under a shorthand right now.
if (this.parent.shorthand)
return;
if (WebInspector.isBeingEdited(this.listItemElement) || (this.treeOutline.section && !this.treeOutline.section.editable))
return;
var context = { expanded: this.expanded, hasChildren: this.hasChildren };
// Lie about our children to prevent expanding on double click and to collapse shorthands.
this.hasChildren = false;
if (!selectElement)
selectElement = this.listItemElement;
this.listItemElement.handleKeyEvent = this.editingKeyDown.bind(this);
WebInspector.startEditing(this.listItemElement, this.editingCommitted.bind(this), this.editingCancelled.bind(this), context);
window.getSelection().setBaseAndExtent(selectElement, 0, selectElement, 1);
},
editingKeyDown: function(event)
{
var arrowKeyPressed = (event.keyIdentifier === "Up" || event.keyIdentifier === "Down");
var pageKeyPressed = (event.keyIdentifier === "PageUp" || event.keyIdentifier === "PageDown");
if (!arrowKeyPressed && !pageKeyPressed)
return;
var selection = window.getSelection();
if (!selection.rangeCount)
return;
var selectionRange = selection.getRangeAt(0);
if (selectionRange.commonAncestorContainer !== this.listItemElement && !selectionRange.commonAncestorContainer.isDescendant(this.listItemElement))
return;
const styleValueDelimeters = " \t\n\"':;,/()";
var wordRange = selectionRange.startContainer.rangeOfWord(selectionRange.startOffset, styleValueDelimeters, this.listItemElement);
var wordString = wordRange.toString();
var replacementString = wordString;
var matches = /(.*?)(-?\d+(?:\.\d+)?)(.*)/.exec(wordString);
if (matches && matches.length) {
var prefix = matches[1];
var number = parseFloat(matches[2]);
var suffix = matches[3];
// If the number is near zero or the number is one and the direction will take it near zero.
var numberNearZero = (number < 1 && number > -1);
if (number === 1 && event.keyIdentifier === "Down")
numberNearZero = true;
else if (number === -1 && event.keyIdentifier === "Up")
numberNearZero = true;
if (numberNearZero && event.altKey && arrowKeyPressed) {
if (event.keyIdentifier === "Down")
number = Math.ceil(number - 1);
else
number = Math.floor(number + 1);
} else {
// Jump by 10 when shift is down or jump by 0.1 when near zero or Alt/Option is down.
// Also jump by 10 for page up and down, or by 100 if shift is held with a page key.
var changeAmount = 1;
if (event.shiftKey && pageKeyPressed)
changeAmount = 100;
else if (event.shiftKey || pageKeyPressed)
changeAmount = 10;
else if (event.altKey || numberNearZero)
changeAmount = 0.1;
if (event.keyIdentifier === "Down" || event.keyIdentifier === "PageDown")
changeAmount *= -1;
// Make the new number and constrain it to a precision of 6, this matches numbers the engine returns.
// Use the Number constructor to forget the fixed precision, so 1.100000 will print as 1.1.
number = Number((number + changeAmount).toFixed(6));
}
replacementString = prefix + number + suffix;
} else {
// FIXME: this should cycle through known keywords for the current property name.
return;
}
var replacementTextNode = document.createTextNode(replacementString);
wordRange.deleteContents();
wordRange.insertNode(replacementTextNode);
var finalSelectionRange = document.createRange();
finalSelectionRange.setStart(replacementTextNode, 0);
finalSelectionRange.setEnd(replacementTextNode, replacementString.length);
selection.removeAllRanges();
selection.addRange(finalSelectionRange);
event.preventDefault();
event.handled = true;
if (!this.originalCSSText) {
// Remember the rule's original CSS text, so it can be restored
// if the editing is canceled and before each apply.
this.originalCSSText = getStyleTextWithShorthands(this.style);
} else {
// Restore the original CSS text before applying user changes. This is needed to prevent
// new properties from sticking around if the user adds one, then removes it.
this.style.cssText = this.originalCSSText;
}
this.applyStyleText(this.listItemElement.textContent);
},
editingEnded: function(context)
{
this.hasChildren = context.hasChildren;
if (context.expanded)
this.expand();
delete this.listItemElement.handleKeyEvent;
delete this.originalCSSText;
},
editingCancelled: function(element, context)
{
if (this.originalCSSText) {
this.style.cssText = this.originalCSSText;
if (this.treeOutline.section && this.treeOutline.section.pane)
this.treeOutline.section.pane.dispatchEventToListeners("style edited");
this.updateAll();
} else
this.updateTitle();
this.editingEnded(context);
},
editingCommitted: function(element, userInput, previousContent, context)
{
this.editingEnded(context);
if (userInput === previousContent)
return; // nothing changed, so do nothing else
this.applyStyleText(userInput, true);
},
applyStyleText: function(styleText, updateInterface)
{
var styleTextLength = styleText.trimWhitespace().length;
// Create a new element to parse the user input CSS.
var parseElement = document.createElement("span");
parseElement.setAttribute("style", styleText);
var tempStyle = parseElement.style;
if (tempStyle.length || !styleTextLength) {
// The input was parsable or the user deleted everything, so remove the
// original property from the real style declaration. If this represents
// a shorthand remove all the longhand properties.
if (this.shorthand) {
var longhandProperties = getLonghandProperties(this.style, this.name);
for (var i = 0; i < longhandProperties.length; ++i)
this.style.removeProperty(longhandProperties[i]);
} else
this.style.removeProperty(this.name);
}
if (!styleTextLength) {
if (updateInterface) {
// The user deleted the everything, so remove the tree element and update.
if (this.treeOutline.section && this.treeOutline.section.pane)
this.treeOutline.section.pane.update();
this.parent.removeChild(this);
}
return;
}
if (!tempStyle.length) {
// The user typed something, but it didn't parse. Just abort and restore
// the original title for this property.
if (updateInterface)
this.updateTitle();
return;
}
// Iterate of the properties on the test element's style declaration and
// add them to the real style declaration. We take care to move shorthands.
var foundShorthands = {};
var uniqueProperties = getUniqueStyleProperties(tempStyle);
for (var i = 0; i < uniqueProperties.length; ++i) {
var name = uniqueProperties[i];
var shorthand = tempStyle.getPropertyShorthand(name);
if (shorthand && shorthand in foundShorthands)
continue;
if (shorthand) {
var value = getShorthandValue(tempStyle, shorthand);
var priority = getShorthandPriority(tempStyle, shorthand);
foundShorthands[shorthand] = true;
} else {
var value = tempStyle.getPropertyValue(name);
var priority = tempStyle.getPropertyPriority(name);
}
// Set the property on the real style declaration.
this.style.setProperty((shorthand || name), value, priority);
}
if (this.treeOutline.section && this.treeOutline.section.pane)
this.treeOutline.section.pane.dispatchEventToListeners("style edited");
if (updateInterface)
this.updateAll(true);
}
}
WebInspector.StylePropertyTreeElement.prototype.__proto__ = TreeElement.prototype;