mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
1113 lines
34 KiB
JavaScript
1113 lines
34 KiB
JavaScript
/* -*- Mode: javascript; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=2 et sw=2 tw=80: */
|
|
|
|
/**
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* Basic use:
|
|
* let spanToEdit = document.getElementById("somespan");
|
|
*
|
|
* editableField({
|
|
* element: spanToEdit,
|
|
* done: function(value, commit) {
|
|
* if (commit) {
|
|
* spanToEdit.textContent = value;
|
|
* }
|
|
* },
|
|
* trigger: "dblclick"
|
|
* });
|
|
*
|
|
* See editableField() for more options.
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const {Ci, Cu, Cc} = require("chrome");
|
|
|
|
const HTML_NS = "http://www.w3.org/1999/xhtml";
|
|
const CONTENT_TYPES = {
|
|
PLAIN_TEXT: 0,
|
|
CSS_VALUE: 1,
|
|
CSS_MIXED: 2,
|
|
CSS_PROPERTY: 3,
|
|
};
|
|
const MAX_POPUP_ENTRIES = 10;
|
|
|
|
const FOCUS_FORWARD = Ci.nsIFocusManager.MOVEFOCUS_FORWARD;
|
|
const FOCUS_BACKWARD = Ci.nsIFocusManager.MOVEFOCUS_BACKWARD;
|
|
|
|
Cu.import("resource://gre/modules/Services.jsm");
|
|
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
|
|
Cu.import("resource:///modules/devtools/shared/event-emitter.js");
|
|
|
|
/**
|
|
* Mark a span editable. |editableField| will listen for the span to
|
|
* be focused and create an InlineEditor to handle text input.
|
|
* Changes will be committed when the InlineEditor's input is blurred
|
|
* or dropped when the user presses escape.
|
|
*
|
|
* @param {object} aOptions
|
|
* Options for the editable field, including:
|
|
* {Element} element:
|
|
* (required) The span to be edited on focus.
|
|
* {function} canEdit:
|
|
* Will be called before creating the inplace editor. Editor
|
|
* won't be created if canEdit returns false.
|
|
* {function} start:
|
|
* Will be called when the inplace editor is initialized.
|
|
* {function} change:
|
|
* Will be called when the text input changes. Will be called
|
|
* with the current value of the text input.
|
|
* {function} done:
|
|
* Called when input is committed or blurred. Called with
|
|
* current value and a boolean telling the caller whether to
|
|
* commit the change. This function is called before the editor
|
|
* has been torn down.
|
|
* {function} destroy:
|
|
* Called when the editor is destroyed and has been torn down.
|
|
* {string} advanceChars:
|
|
* If any characters in advanceChars are typed, focus will advance
|
|
* to the next element.
|
|
* {boolean} stopOnReturn:
|
|
* If true, the return key will not advance the editor to the next
|
|
* focusable element.
|
|
* {string} trigger: The DOM event that should trigger editing,
|
|
* defaults to "click"
|
|
*/
|
|
function editableField(aOptions)
|
|
{
|
|
return editableItem(aOptions, function(aElement, aEvent) {
|
|
new InplaceEditor(aOptions, aEvent);
|
|
});
|
|
}
|
|
|
|
exports.editableField = editableField;
|
|
|
|
/**
|
|
* Handle events for an element that should respond to
|
|
* clicks and sit in the editing tab order, and call
|
|
* a callback when it is activated.
|
|
*
|
|
* @param {object} aOptions
|
|
* The options for this editor, including:
|
|
* {Element} element: The DOM element.
|
|
* {string} trigger: The DOM event that should trigger editing,
|
|
* defaults to "click"
|
|
* @param {function} aCallback
|
|
* Called when the editor is activated.
|
|
*/
|
|
function editableItem(aOptions, aCallback)
|
|
{
|
|
let trigger = aOptions.trigger || "click"
|
|
let element = aOptions.element;
|
|
element.addEventListener(trigger, function(evt) {
|
|
let win = this.ownerDocument.defaultView;
|
|
let selection = win.getSelection();
|
|
if (trigger != "click" || selection.isCollapsed) {
|
|
aCallback(element, evt);
|
|
}
|
|
evt.stopPropagation();
|
|
}, false);
|
|
|
|
// If focused by means other than a click, start editing by
|
|
// pressing enter or space.
|
|
element.addEventListener("keypress", function(evt) {
|
|
if (evt.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_RETURN ||
|
|
evt.charCode === Ci.nsIDOMKeyEvent.DOM_VK_SPACE) {
|
|
aCallback(element);
|
|
}
|
|
}, true);
|
|
|
|
// Ugly workaround - the element is focused on mousedown but
|
|
// the editor is activated on click/mouseup. This leads
|
|
// to an ugly flash of the focus ring before showing the editor.
|
|
// So hide the focus ring while the mouse is down.
|
|
element.addEventListener("mousedown", function(evt) {
|
|
let cleanup = function() {
|
|
element.style.removeProperty("outline-style");
|
|
element.removeEventListener("mouseup", cleanup, false);
|
|
element.removeEventListener("mouseout", cleanup, false);
|
|
};
|
|
element.style.setProperty("outline-style", "none");
|
|
element.addEventListener("mouseup", cleanup, false);
|
|
element.addEventListener("mouseout", cleanup, false);
|
|
}, false);
|
|
|
|
// Mark the element editable field for tab
|
|
// navigation while editing.
|
|
element._editable = true;
|
|
}
|
|
|
|
exports.editableItem = this.editableItem;
|
|
|
|
/*
|
|
* Various API consumers (especially tests) sometimes want to grab the
|
|
* inplaceEditor expando off span elements. However, when each global has its
|
|
* own compartment, those expandos live on Xray wrappers that are only visible
|
|
* within this JSM. So we provide a little workaround here.
|
|
*/
|
|
|
|
function getInplaceEditorForSpan(aSpan)
|
|
{
|
|
return aSpan.inplaceEditor;
|
|
};
|
|
exports.getInplaceEditorForSpan = getInplaceEditorForSpan;
|
|
|
|
function InplaceEditor(aOptions, aEvent)
|
|
{
|
|
this.elt = aOptions.element;
|
|
let doc = this.elt.ownerDocument;
|
|
this.doc = doc;
|
|
this.elt.inplaceEditor = this;
|
|
|
|
this.change = aOptions.change;
|
|
this.done = aOptions.done;
|
|
this.destroy = aOptions.destroy;
|
|
this.initial = aOptions.initial ? aOptions.initial : this.elt.textContent;
|
|
this.multiline = aOptions.multiline || false;
|
|
this.stopOnReturn = !!aOptions.stopOnReturn;
|
|
this.contentType = aOptions.contentType || CONTENT_TYPES.PLAIN_TEXT;
|
|
this.property = aOptions.property;
|
|
this.popup = aOptions.popup;
|
|
|
|
this._onBlur = this._onBlur.bind(this);
|
|
this._onKeyPress = this._onKeyPress.bind(this);
|
|
this._onInput = this._onInput.bind(this);
|
|
this._onKeyup = this._onKeyup.bind(this);
|
|
|
|
this._createInput();
|
|
this._autosize();
|
|
|
|
// Pull out character codes for advanceChars, listing the
|
|
// characters that should trigger a blur.
|
|
this._advanceCharCodes = {};
|
|
let advanceChars = aOptions.advanceChars || '';
|
|
for (let i = 0; i < advanceChars.length; i++) {
|
|
this._advanceCharCodes[advanceChars.charCodeAt(i)] = true;
|
|
}
|
|
|
|
// Hide the provided element and add our editor.
|
|
this.originalDisplay = this.elt.style.display;
|
|
this.elt.style.display = "none";
|
|
this.elt.parentNode.insertBefore(this.input, this.elt);
|
|
|
|
if (typeof(aOptions.selectAll) == "undefined" || aOptions.selectAll) {
|
|
this.input.select();
|
|
}
|
|
this.input.focus();
|
|
|
|
this.input.addEventListener("blur", this._onBlur, false);
|
|
this.input.addEventListener("keypress", this._onKeyPress, false);
|
|
this.input.addEventListener("input", this._onInput, false);
|
|
|
|
this.input.addEventListener("dblclick",
|
|
(e) => { e.stopPropagation(); }, false);
|
|
this.input.addEventListener("mousedown",
|
|
(e) => { e.stopPropagation(); }, false);
|
|
|
|
this.validate = aOptions.validate;
|
|
|
|
if (this.validate) {
|
|
this.input.addEventListener("keyup", this._onKeyup, false);
|
|
}
|
|
|
|
if (aOptions.start) {
|
|
aOptions.start(this, aEvent);
|
|
}
|
|
|
|
EventEmitter.decorate(this);
|
|
}
|
|
|
|
exports.InplaceEditor = InplaceEditor;
|
|
|
|
InplaceEditor.CONTENT_TYPES = CONTENT_TYPES;
|
|
|
|
InplaceEditor.prototype = {
|
|
_createInput: function InplaceEditor_createEditor()
|
|
{
|
|
this.input =
|
|
this.doc.createElementNS(HTML_NS, this.multiline ? "textarea" : "input");
|
|
this.input.inplaceEditor = this;
|
|
this.input.classList.add("styleinspector-propertyeditor");
|
|
this.input.value = this.initial;
|
|
|
|
copyTextStyles(this.elt, this.input);
|
|
},
|
|
|
|
/**
|
|
* Get rid of the editor.
|
|
*/
|
|
_clear: function InplaceEditor_clear()
|
|
{
|
|
if (!this.input) {
|
|
// Already cleared.
|
|
return;
|
|
}
|
|
|
|
this.input.removeEventListener("blur", this._onBlur, false);
|
|
this.input.removeEventListener("keypress", this._onKeyPress, false);
|
|
this.input.removeEventListener("keyup", this._onKeyup, false);
|
|
this.input.removeEventListener("oninput", this._onInput, false);
|
|
this._stopAutosize();
|
|
|
|
this.elt.style.display = this.originalDisplay;
|
|
this.elt.focus();
|
|
|
|
this.elt.parentNode.removeChild(this.input);
|
|
this.input = null;
|
|
|
|
delete this.elt.inplaceEditor;
|
|
delete this.elt;
|
|
|
|
if (this.destroy) {
|
|
this.destroy();
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Keeps the editor close to the size of its input string. This is pretty
|
|
* crappy, suggestions for improvement welcome.
|
|
*/
|
|
_autosize: function InplaceEditor_autosize()
|
|
{
|
|
// Create a hidden, absolutely-positioned span to measure the text
|
|
// in the input. Boo.
|
|
|
|
// We can't just measure the original element because a) we don't
|
|
// change the underlying element's text ourselves (we leave that
|
|
// up to the client), and b) without tweaking the style of the
|
|
// original element, it might wrap differently or something.
|
|
this._measurement =
|
|
this.doc.createElementNS(HTML_NS, this.multiline ? "pre" : "span");
|
|
this._measurement.className = "autosizer";
|
|
this.elt.parentNode.appendChild(this._measurement);
|
|
let style = this._measurement.style;
|
|
style.visibility = "hidden";
|
|
style.position = "absolute";
|
|
style.top = "0";
|
|
style.left = "0";
|
|
copyTextStyles(this.input, this._measurement);
|
|
this._updateSize();
|
|
},
|
|
|
|
/**
|
|
* Clean up the mess created by _autosize().
|
|
*/
|
|
_stopAutosize: function InplaceEditor_stopAutosize()
|
|
{
|
|
if (!this._measurement) {
|
|
return;
|
|
}
|
|
this._measurement.parentNode.removeChild(this._measurement);
|
|
delete this._measurement;
|
|
},
|
|
|
|
/**
|
|
* Size the editor to fit its current contents.
|
|
*/
|
|
_updateSize: function InplaceEditor_updateSize()
|
|
{
|
|
// Replace spaces with non-breaking spaces. Otherwise setting
|
|
// the span's textContent will collapse spaces and the measurement
|
|
// will be wrong.
|
|
this._measurement.textContent = this.input.value.replace(/ /g, '\u00a0');
|
|
|
|
// We add a bit of padding to the end. Should be enough to fit
|
|
// any letter that could be typed, otherwise we'll scroll before
|
|
// we get a chance to resize. Yuck.
|
|
let width = this._measurement.offsetWidth + 10;
|
|
|
|
if (this.multiline) {
|
|
// Make sure there's some content in the current line. This is a hack to
|
|
// account for the fact that after adding a newline the <pre> doesn't grow
|
|
// unless there's text content on the line.
|
|
width += 15;
|
|
this._measurement.textContent += "M";
|
|
this.input.style.height = this._measurement.offsetHeight + "px";
|
|
}
|
|
|
|
this.input.style.width = width + "px";
|
|
},
|
|
|
|
/**
|
|
* Increment property values in rule view.
|
|
*
|
|
* @param {number} increment
|
|
* The amount to increase/decrease the property value.
|
|
* @return {bool} true if value has been incremented.
|
|
*/
|
|
_incrementValue: function InplaceEditor_incrementValue(increment)
|
|
{
|
|
let value = this.input.value;
|
|
let selectionStart = this.input.selectionStart;
|
|
let selectionEnd = this.input.selectionEnd;
|
|
|
|
let newValue = this._incrementCSSValue(value, increment, selectionStart,
|
|
selectionEnd);
|
|
|
|
if (!newValue) {
|
|
return false;
|
|
}
|
|
|
|
this.input.value = newValue.value;
|
|
this.input.setSelectionRange(newValue.start, newValue.end);
|
|
this._doValidation();
|
|
|
|
return true;
|
|
},
|
|
|
|
/**
|
|
* Increment the property value based on the property type.
|
|
*
|
|
* @param {string} value
|
|
* Property value.
|
|
* @param {number} increment
|
|
* Amount to increase/decrease the property value.
|
|
* @param {number} selStart
|
|
* Starting index of the value.
|
|
* @param {number} selEnd
|
|
* Ending index of the value.
|
|
* @return {object} object with properties 'value', 'start', and 'end'.
|
|
*/
|
|
_incrementCSSValue: function InplaceEditor_incrementCSSValue(value, increment,
|
|
selStart, selEnd)
|
|
{
|
|
let range = this._parseCSSValue(value, selStart);
|
|
let type = (range && range.type) || "";
|
|
let rawValue = (range ? value.substring(range.start, range.end) : "");
|
|
let incrementedValue = null, selection;
|
|
|
|
if (type === "num") {
|
|
let newValue = this._incrementRawValue(rawValue, increment);
|
|
if (newValue !== null) {
|
|
incrementedValue = newValue;
|
|
selection = [0, incrementedValue.length];
|
|
}
|
|
} else if (type === "hex") {
|
|
let exprOffset = selStart - range.start;
|
|
let exprOffsetEnd = selEnd - range.start;
|
|
let newValue = this._incHexColor(rawValue, increment, exprOffset,
|
|
exprOffsetEnd);
|
|
if (newValue) {
|
|
incrementedValue = newValue.value;
|
|
selection = newValue.selection;
|
|
}
|
|
} else {
|
|
let info;
|
|
if (type === "rgb" || type === "hsl") {
|
|
info = {};
|
|
let part = value.substring(range.start, selStart).split(",").length - 1;
|
|
if (part === 3) { // alpha
|
|
info.minValue = 0;
|
|
info.maxValue = 1;
|
|
} else if (type === "rgb") {
|
|
info.minValue = 0;
|
|
info.maxValue = 255;
|
|
} else if (part !== 0) { // hsl percentage
|
|
info.minValue = 0;
|
|
info.maxValue = 100;
|
|
|
|
// select the previous number if the selection is at the end of a
|
|
// percentage sign.
|
|
if (value.charAt(selStart - 1) === "%") {
|
|
--selStart;
|
|
}
|
|
}
|
|
}
|
|
return this._incrementGenericValue(value, increment, selStart, selEnd, info);
|
|
}
|
|
|
|
if (incrementedValue === null) {
|
|
return;
|
|
}
|
|
|
|
let preRawValue = value.substr(0, range.start);
|
|
let postRawValue = value.substr(range.end);
|
|
|
|
return {
|
|
value: preRawValue + incrementedValue + postRawValue,
|
|
start: range.start + selection[0],
|
|
end: range.start + selection[1]
|
|
};
|
|
},
|
|
|
|
/**
|
|
* Parses the property value and type.
|
|
*
|
|
* @param {string} value
|
|
* Property value.
|
|
* @param {number} offset
|
|
* Starting index of value.
|
|
* @return {object} object with properties 'value', 'start', 'end', and 'type'.
|
|
*/
|
|
_parseCSSValue: function InplaceEditor_parseCSSValue(value, offset)
|
|
{
|
|
const reSplitCSS = /(url\("?[^"\)]+"?\)?)|(rgba?\([^)]*\)?)|(hsla?\([^)]*\)?)|(#[\dA-Fa-f]+)|(-?\d+(\.\d+)?(%|[a-z]{1,4})?)|"([^"]*)"?|'([^']*)'?|([^,\s\/!\(\)]+)|(!(.*)?)/;
|
|
let start = 0;
|
|
let m;
|
|
|
|
// retreive values from left to right until we find the one at our offset
|
|
while ((m = reSplitCSS.exec(value)) &&
|
|
(m.index + m[0].length < offset)) {
|
|
value = value.substr(m.index + m[0].length);
|
|
start += m.index + m[0].length;
|
|
offset -= m.index + m[0].length;
|
|
}
|
|
|
|
if (!m) {
|
|
return;
|
|
}
|
|
|
|
let type;
|
|
if (m[1]) {
|
|
type = "url";
|
|
} else if (m[2]) {
|
|
type = "rgb";
|
|
} else if (m[3]) {
|
|
type = "hsl";
|
|
} else if (m[4]) {
|
|
type = "hex";
|
|
} else if (m[5]) {
|
|
type = "num";
|
|
}
|
|
|
|
return {
|
|
value: m[0],
|
|
start: start + m.index,
|
|
end: start + m.index + m[0].length,
|
|
type: type
|
|
};
|
|
},
|
|
|
|
/**
|
|
* Increment the property value for types other than
|
|
* number or hex, such as rgb, hsl, and file names.
|
|
*
|
|
* @param {string} value
|
|
* Property value.
|
|
* @param {number} increment
|
|
* Amount to increment/decrement.
|
|
* @param {number} offset
|
|
* Starting index of the property value.
|
|
* @param {number} offsetEnd
|
|
* Ending index of the property value.
|
|
* @param {object} info
|
|
* Object with details about the property value.
|
|
* @return {object} object with properties 'value', 'start', and 'end'.
|
|
*/
|
|
_incrementGenericValue:
|
|
function InplaceEditor_incrementGenericValue(value, increment, offset,
|
|
offsetEnd, info)
|
|
{
|
|
// Try to find a number around the cursor to increment.
|
|
let start, end;
|
|
// Check if we are incrementing in a non-number context (such as a URL)
|
|
if (/^-?[0-9.]/.test(value.substring(offset, offsetEnd)) &&
|
|
!(/\d/.test(value.charAt(offset - 1) + value.charAt(offsetEnd)))) {
|
|
// We have a number selected, possibly with a suffix, and we are not in
|
|
// the disallowed case of just part of a known number being selected.
|
|
// Use that number.
|
|
start = offset;
|
|
end = offsetEnd;
|
|
} else {
|
|
// Parse periods as belonging to the number only if we are in a known number
|
|
// context. (This makes incrementing the 1 in 'image1.gif' work.)
|
|
let pattern = "[" + (info ? "0-9." : "0-9") + "]*";
|
|
let before = new RegExp(pattern + "$").exec(value.substr(0, offset))[0].length;
|
|
let after = new RegExp("^" + pattern).exec(value.substr(offset))[0].length;
|
|
|
|
start = offset - before;
|
|
end = offset + after;
|
|
|
|
// Expand the number to contain an initial minus sign if it seems
|
|
// free-standing.
|
|
if (value.charAt(start - 1) === "-" &&
|
|
(start - 1 === 0 || /[ (:,='"]/.test(value.charAt(start - 2)))) {
|
|
--start;
|
|
}
|
|
}
|
|
|
|
if (start !== end)
|
|
{
|
|
// Include percentages as part of the incremented number (they are
|
|
// common enough).
|
|
if (value.charAt(end) === "%") {
|
|
++end;
|
|
}
|
|
|
|
let first = value.substr(0, start);
|
|
let mid = value.substring(start, end);
|
|
let last = value.substr(end);
|
|
|
|
mid = this._incrementRawValue(mid, increment, info);
|
|
|
|
if (mid !== null) {
|
|
return {
|
|
value: first + mid + last,
|
|
start: start,
|
|
end: start + mid.length
|
|
};
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Increment the property value for numbers.
|
|
*
|
|
* @param {string} rawValue
|
|
* Raw value to increment.
|
|
* @param {number} increment
|
|
* Amount to increase/decrease the raw value.
|
|
* @param {object} info
|
|
* Object with info about the property value.
|
|
* @return {string} the incremented value.
|
|
*/
|
|
_incrementRawValue:
|
|
function InplaceEditor_incrementRawValue(rawValue, increment, info)
|
|
{
|
|
let num = parseFloat(rawValue);
|
|
|
|
if (isNaN(num)) {
|
|
return null;
|
|
}
|
|
|
|
let number = /\d+(\.\d+)?/.exec(rawValue);
|
|
let units = rawValue.substr(number.index + number[0].length);
|
|
|
|
// avoid rounding errors
|
|
let newValue = Math.round((num + increment) * 1000) / 1000;
|
|
|
|
if (info && "minValue" in info) {
|
|
newValue = Math.max(newValue, info.minValue);
|
|
}
|
|
if (info && "maxValue" in info) {
|
|
newValue = Math.min(newValue, info.maxValue);
|
|
}
|
|
|
|
newValue = newValue.toString();
|
|
|
|
return newValue + units;
|
|
},
|
|
|
|
/**
|
|
* Increment the property value for hex.
|
|
*
|
|
* @param {string} value
|
|
* Property value.
|
|
* @param {number} increment
|
|
* Amount to increase/decrease the property value.
|
|
* @param {number} offset
|
|
* Starting index of the property value.
|
|
* @param {number} offsetEnd
|
|
* Ending index of the property value.
|
|
* @return {object} object with properties 'value' and 'selection'.
|
|
*/
|
|
_incHexColor:
|
|
function InplaceEditor_incHexColor(rawValue, increment, offset, offsetEnd)
|
|
{
|
|
// Return early if no part of the rawValue is selected.
|
|
if (offsetEnd > rawValue.length && offset >= rawValue.length) {
|
|
return;
|
|
}
|
|
if (offset < 1 && offsetEnd <= 1) {
|
|
return;
|
|
}
|
|
// Ignore the leading #.
|
|
rawValue = rawValue.substr(1);
|
|
--offset;
|
|
--offsetEnd;
|
|
|
|
// Clamp the selection to within the actual value.
|
|
offset = Math.max(offset, 0);
|
|
offsetEnd = Math.min(offsetEnd, rawValue.length);
|
|
offsetEnd = Math.max(offsetEnd, offset);
|
|
|
|
// Normalize #ABC -> #AABBCC.
|
|
if (rawValue.length === 3) {
|
|
rawValue = rawValue.charAt(0) + rawValue.charAt(0) +
|
|
rawValue.charAt(1) + rawValue.charAt(1) +
|
|
rawValue.charAt(2) + rawValue.charAt(2);
|
|
offset *= 2;
|
|
offsetEnd *= 2;
|
|
}
|
|
|
|
if (rawValue.length !== 6) {
|
|
return;
|
|
}
|
|
|
|
// If no selection, increment an adjacent color, preferably one to the left.
|
|
if (offset === offsetEnd) {
|
|
if (offset === 0) {
|
|
offsetEnd = 1;
|
|
} else {
|
|
offset = offsetEnd - 1;
|
|
}
|
|
}
|
|
|
|
// Make the selection cover entire parts.
|
|
offset -= offset % 2;
|
|
offsetEnd += offsetEnd % 2;
|
|
|
|
// Remap the increments from [0.1, 1, 10] to [1, 1, 16].
|
|
if (-1 < increment && increment < 1) {
|
|
increment = (increment < 0 ? -1 : 1);
|
|
}
|
|
if (Math.abs(increment) === 10) {
|
|
increment = (increment < 0 ? -16 : 16);
|
|
}
|
|
|
|
let isUpper = (rawValue.toUpperCase() === rawValue);
|
|
|
|
for (let pos = offset; pos < offsetEnd; pos += 2) {
|
|
// Increment the part in [pos, pos+2).
|
|
let mid = rawValue.substr(pos, 2);
|
|
let value = parseInt(mid, 16);
|
|
|
|
if (isNaN(value)) {
|
|
return;
|
|
}
|
|
|
|
mid = Math.min(Math.max(value + increment, 0), 255).toString(16);
|
|
|
|
while (mid.length < 2) {
|
|
mid = "0" + mid;
|
|
}
|
|
if (isUpper) {
|
|
mid = mid.toUpperCase();
|
|
}
|
|
|
|
rawValue = rawValue.substr(0, pos) + mid + rawValue.substr(pos + 2);
|
|
}
|
|
|
|
return {
|
|
value: "#" + rawValue,
|
|
selection: [offset + 1, offsetEnd + 1]
|
|
};
|
|
},
|
|
|
|
/**
|
|
* Cycle through the autocompletion suggestions in the popup.
|
|
*
|
|
* @param {boolean} aReverse
|
|
* true to select previous item from the popup.
|
|
* @param {boolean} aNoSelect
|
|
* true to not select the text after selecting the newly selectedItem
|
|
* from the popup.
|
|
*/
|
|
_cycleCSSSuggestion:
|
|
function InplaceEditor_cycleCSSSuggestion(aReverse, aNoSelect)
|
|
{
|
|
let {label, preLabel} = this.popup.selectedItem;
|
|
if (aReverse) {
|
|
this.popup.selectPreviousItem();
|
|
} else {
|
|
this.popup.selectNextItem();
|
|
}
|
|
this._selectedIndex = this.popup.selectedIndex;
|
|
let input = this.input;
|
|
let pre = "";
|
|
if (input.selectionStart < input.selectionEnd) {
|
|
pre = input.value.slice(0, input.selectionStart);
|
|
}
|
|
else {
|
|
pre = input.value.slice(0, input.selectionStart - label.length +
|
|
preLabel.length);
|
|
}
|
|
let post = input.value.slice(input.selectionEnd, input.value.length);
|
|
let item = this.popup.selectedItem;
|
|
let toComplete = item.label.slice(item.preLabel.length);
|
|
input.value = pre + toComplete + post;
|
|
if (!aNoSelect) {
|
|
input.setSelectionRange(pre.length, pre.length + toComplete.length);
|
|
}
|
|
else {
|
|
input.setSelectionRange(pre.length + toComplete.length,
|
|
pre.length + toComplete.length);
|
|
}
|
|
this._updateSize();
|
|
// This emit is mainly for the purpose of making the test flow simpler.
|
|
this.emit("after-suggest");
|
|
},
|
|
|
|
/**
|
|
* Call the client's done handler and clear out.
|
|
*/
|
|
_apply: function InplaceEditor_apply(aEvent)
|
|
{
|
|
if (this._applied) {
|
|
return;
|
|
}
|
|
|
|
this._applied = true;
|
|
|
|
if (this.done) {
|
|
let val = this.input.value.trim();
|
|
return this.done(this.cancelled ? this.initial : val, !this.cancelled);
|
|
}
|
|
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* Handle loss of focus by calling done if it hasn't been called yet.
|
|
*/
|
|
_onBlur: function InplaceEditor_onBlur(aEvent, aDoNotClear)
|
|
{
|
|
if (aEvent && this.popup && this.popup.isOpen &&
|
|
this.contentType == CONTENT_TYPES.CSS_MIXED) {
|
|
let label, preLabel;
|
|
if (this._selectedIndex === undefined) {
|
|
({label, preLabel}) = this.popup.getItemAtIndex(this.popup.selectedIndex);
|
|
}
|
|
else {
|
|
({label, preLabel}) = this.popup.getItemAtIndex(this._selectedIndex);
|
|
}
|
|
let input = this.input;
|
|
let pre = "";
|
|
if (input.selectionStart < input.selectionEnd) {
|
|
pre = input.value.slice(0, input.selectionStart);
|
|
}
|
|
else {
|
|
pre = input.value.slice(0, input.selectionStart - label.length +
|
|
preLabel.length);
|
|
}
|
|
let post = input.value.slice(input.selectionEnd, input.value.length);
|
|
let item = this.popup.selectedItem;
|
|
this._selectedIndex = this.popup.selectedIndex;
|
|
let toComplete = item.label.slice(item.preLabel.length);
|
|
input.value = pre + toComplete + post;
|
|
input.setSelectionRange(pre.length + toComplete.length,
|
|
pre.length + toComplete.length);
|
|
this._updateSize();
|
|
// Wait for the popup to hide and then focus input async otherwise it does
|
|
// not work.
|
|
let onPopupHidden = () => {
|
|
this.popup._panel.removeEventListener("popuphidden", onPopupHidden);
|
|
this.doc.defaultView.setTimeout(()=> {
|
|
input.focus();
|
|
this.emit("after-suggest");
|
|
}, 0);
|
|
};
|
|
this.popup._panel.addEventListener("popuphidden", onPopupHidden);
|
|
this.popup.hidePopup();
|
|
return;
|
|
}
|
|
this._apply();
|
|
if (!aDoNotClear) {
|
|
this._clear();
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Handle the input field's keypress event.
|
|
*/
|
|
_onKeyPress: function InplaceEditor_onKeyPress(aEvent)
|
|
{
|
|
let prevent = false;
|
|
|
|
const largeIncrement = 100;
|
|
const mediumIncrement = 10;
|
|
const smallIncrement = 0.1;
|
|
|
|
let increment = 0;
|
|
|
|
if (aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_UP
|
|
|| aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_PAGE_UP) {
|
|
increment = 1;
|
|
} else if (aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_DOWN
|
|
|| aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_PAGE_DOWN) {
|
|
increment = -1;
|
|
}
|
|
|
|
if (aEvent.shiftKey && !aEvent.altKey) {
|
|
if (aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_PAGE_UP
|
|
|| aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_PAGE_DOWN) {
|
|
increment *= largeIncrement;
|
|
} else {
|
|
increment *= mediumIncrement;
|
|
}
|
|
} else if (aEvent.altKey && !aEvent.shiftKey) {
|
|
increment *= smallIncrement;
|
|
}
|
|
|
|
let cycling = false;
|
|
if (increment && this._incrementValue(increment) ) {
|
|
this._updateSize();
|
|
prevent = true;
|
|
} else if (increment && this.popup && this.popup.isOpen) {
|
|
cycling = true;
|
|
prevent = true;
|
|
this._cycleCSSSuggestion(increment > 0);
|
|
this._doValidation();
|
|
}
|
|
|
|
if (aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_BACK_SPACE ||
|
|
aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_DELETE ||
|
|
aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_LEFT ||
|
|
aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_RIGHT) {
|
|
if (this.popup && this.popup.isOpen) {
|
|
this.popup.hidePopup();
|
|
}
|
|
} else if (!cycling) {
|
|
this._maybeSuggestCompletion();
|
|
}
|
|
|
|
if (this.multiline &&
|
|
aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_RETURN &&
|
|
aEvent.shiftKey) {
|
|
prevent = false;
|
|
} else if (aEvent.charCode in this._advanceCharCodes
|
|
|| aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_RETURN
|
|
|| aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_TAB) {
|
|
prevent = true;
|
|
|
|
let direction = FOCUS_FORWARD;
|
|
if (aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_TAB &&
|
|
aEvent.shiftKey) {
|
|
direction = FOCUS_BACKWARD;
|
|
}
|
|
if (this.stopOnReturn && aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_RETURN) {
|
|
direction = null;
|
|
}
|
|
|
|
// Now we don't want to suggest anything as we are moving out.
|
|
this._preventSuggestions = true;
|
|
|
|
let input = this.input;
|
|
|
|
if (aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_TAB &&
|
|
this.contentType == CONTENT_TYPES.CSS_MIXED) {
|
|
if (this.popup && input.selectionStart < input.selectionEnd) {
|
|
aEvent.preventDefault();
|
|
input.setSelectionRange(input.selectionEnd, input.selectionEnd);
|
|
this.emit("after-suggest");
|
|
return;
|
|
}
|
|
else if (this.popup && this.popup.isOpen) {
|
|
aEvent.preventDefault();
|
|
this._cycleCSSSuggestion(aEvent.shiftKey, true);
|
|
return;
|
|
}
|
|
}
|
|
|
|
this._apply();
|
|
|
|
// Close the popup if open
|
|
if (this.popup && this.popup.isOpen) {
|
|
this.popup.hidePopup();
|
|
}
|
|
|
|
if (direction !== null && focusManager.focusedElement === input) {
|
|
// If the focused element wasn't changed by the done callback,
|
|
// move the focus as requested.
|
|
let next = moveFocus(this.doc.defaultView, direction);
|
|
|
|
// If the next node to be focused has been tagged as an editable
|
|
// node, send it a click event to trigger
|
|
if (next && next.ownerDocument === this.doc && next._editable) {
|
|
next.click();
|
|
}
|
|
}
|
|
|
|
this._clear();
|
|
} else if (aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_ESCAPE) {
|
|
// Cancel and blur ourselves.
|
|
// Now we don't want to suggest anything as we are moving out.
|
|
this._preventSuggestions = true;
|
|
// Close the popup if open
|
|
if (this.popup && this.popup.isOpen) {
|
|
this.popup.hidePopup();
|
|
}
|
|
prevent = true;
|
|
this.cancelled = true;
|
|
this._apply();
|
|
this._clear();
|
|
aEvent.stopPropagation();
|
|
} else if (aEvent.keyCode === Ci.nsIDOMKeyEvent.DOM_VK_SPACE) {
|
|
// No need for leading spaces here. This is particularly
|
|
// noticable when adding a property: it's very natural to type
|
|
// <name>: (which advances to the next property) then spacebar.
|
|
prevent = !this.input.value;
|
|
}
|
|
|
|
if (prevent) {
|
|
aEvent.preventDefault();
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Handle the input field's keyup event.
|
|
*/
|
|
_onKeyup: function(aEvent) {
|
|
this._applied = false;
|
|
},
|
|
|
|
/**
|
|
* Handle changes to the input text.
|
|
*/
|
|
_onInput: function InplaceEditor_onInput(aEvent)
|
|
{
|
|
// Validate the entered value.
|
|
this._doValidation();
|
|
|
|
// Update size if we're autosizing.
|
|
if (this._measurement) {
|
|
this._updateSize();
|
|
}
|
|
|
|
// Call the user's change handler if available.
|
|
if (this.change) {
|
|
this.change(this.input.value.trim());
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Fire validation callback with current input
|
|
*/
|
|
_doValidation: function()
|
|
{
|
|
if (this.validate && this.input) {
|
|
this.validate(this.input.value);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Handles displaying suggestions based on the current input.
|
|
*/
|
|
_maybeSuggestCompletion: function() {
|
|
// Since we are calling this method from a keypress event handler, the
|
|
// |input.value| does not include currently typed character. Thus we perform
|
|
// this method async.
|
|
this.doc.defaultView.setTimeout(() => {
|
|
if (this._preventSuggestions) {
|
|
this._preventSuggestions = false;
|
|
return;
|
|
}
|
|
if (this.contentType == CONTENT_TYPES.PLAIN_TEXT) {
|
|
return;
|
|
}
|
|
|
|
let input = this.input;
|
|
// Input can be null in cases when you intantaneously switch out of it.
|
|
if (!input) {
|
|
return;
|
|
}
|
|
let query = input.value.slice(0, input.selectionStart);
|
|
let startCheckQuery = query;
|
|
if (!query) {
|
|
return;
|
|
}
|
|
|
|
let list = [];
|
|
if (this.contentType == CONTENT_TYPES.CSS_PROPERTY) {
|
|
list = CSSPropertyList;
|
|
} else if (this.contentType == CONTENT_TYPES.CSS_VALUE) {
|
|
list = domUtils.getCSSValuesForProperty(this.property.name);
|
|
} else if (this.contentType == CONTENT_TYPES.CSS_MIXED &&
|
|
/^\s*style\s*=/.test(query)) {
|
|
// Detecting if cursor is at property or value;
|
|
let match = query.match(/([:;"'=]?)\s*([^"';:= ]+)$/);
|
|
if (match && match.length == 3) {
|
|
if (match[1] == ":") { // We are in CSS value completion
|
|
let propertyName =
|
|
query.match(/[;"'=]\s*([^"';:= ]+)\s*:\s*[^"';:= ]+$/)[1];
|
|
list = domUtils.getCSSValuesForProperty(propertyName);
|
|
startCheckQuery = match[2];
|
|
} else if (match[1]) { // We are in CSS property name completion
|
|
list = CSSPropertyList;
|
|
startCheckQuery = match[2];
|
|
}
|
|
if (!startCheckQuery) {
|
|
// This emit is mainly to make the test flow simpler.
|
|
this.emit("after-suggest", "nothing to autocomplete");
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
list.some(item => {
|
|
if (item.startsWith(startCheckQuery)) {
|
|
input.value = query + item.slice(startCheckQuery.length) +
|
|
input.value.slice(query.length);
|
|
input.setSelectionRange(query.length, query.length + item.length -
|
|
startCheckQuery.length);
|
|
this._updateSize();
|
|
return true;
|
|
}
|
|
});
|
|
|
|
if (!this.popup) {
|
|
// This emit is mainly to make the test flow simpler.
|
|
this.emit("after-suggest", "no popup");
|
|
return;
|
|
}
|
|
let finalList = [];
|
|
let length = list.length;
|
|
for (let i = 0, count = 0; i < length && count < MAX_POPUP_ENTRIES; i++) {
|
|
if (list[i].startsWith(startCheckQuery)) {
|
|
count++;
|
|
finalList.push({
|
|
preLabel: startCheckQuery,
|
|
label: list[i]
|
|
});
|
|
}
|
|
else if (count > 0) {
|
|
// Since count was incremented, we had already crossed the entries
|
|
// which would have started with query, assuming that list is sorted.
|
|
break;
|
|
}
|
|
else if (list[i][0] > startCheckQuery[0]) {
|
|
// We have crossed all possible matches alphabetically.
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (finalList.length > 1) {
|
|
this.popup.setItems(finalList);
|
|
this.popup.openPopup(this.input);
|
|
} else {
|
|
this.popup.hidePopup();
|
|
}
|
|
// This emit is mainly for the purpose of making the test flow simpler.
|
|
this.emit("after-suggest");
|
|
this._doValidation();
|
|
}, 0);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Copy text-related styles from one element to another.
|
|
*/
|
|
function copyTextStyles(aFrom, aTo)
|
|
{
|
|
let win = aFrom.ownerDocument.defaultView;
|
|
let style = win.getComputedStyle(aFrom);
|
|
aTo.style.fontFamily = style.getPropertyCSSValue("font-family").cssText;
|
|
aTo.style.fontSize = style.getPropertyCSSValue("font-size").cssText;
|
|
aTo.style.fontWeight = style.getPropertyCSSValue("font-weight").cssText;
|
|
aTo.style.fontStyle = style.getPropertyCSSValue("font-style").cssText;
|
|
}
|
|
|
|
/**
|
|
* Trigger a focus change similar to pressing tab/shift-tab.
|
|
*/
|
|
function moveFocus(aWin, aDirection)
|
|
{
|
|
return focusManager.moveFocus(aWin, null, aDirection, 0);
|
|
}
|
|
|
|
|
|
XPCOMUtils.defineLazyGetter(this, "focusManager", function() {
|
|
return Services.focus;
|
|
});
|
|
|
|
XPCOMUtils.defineLazyGetter(this, "CSSPropertyList", function() {
|
|
return domUtils.getCSSPropertyNames(domUtils.INCLUDE_ALIASES).sort();
|
|
});
|
|
|
|
XPCOMUtils.defineLazyGetter(this, "domUtils", function() {
|
|
return Cc["@mozilla.org/inspector/dom-utils;1"].getService(Ci.inIDOMUtils);
|
|
});
|