gecko-dev/editor/ui/composer/content/pref-composer.js

302 lines
9.7 KiB
JavaScript

// This is mostly a modified version of code in EdColorProps.xul
// TODO: Factor out common code to reduce code size
// and make a new utility.js to eliminate duplication
// in editor.js and EdDialogCommon.js
// Initialize in case we can't get them from prefs???
var defaultTextColor="#000000";
var defaultLinkColor="#000099";
var defaultActiveColor="#000099";
var defaultVisitedColor="#990099";
var defaultBackgroundColor="#FFFFFF";
var customTextColor;
var customLinkColor;
var customActiveColor;
var customVisitedColor;
var customBackgroundColor;
var previewBGColor;
var backgroundImage = "";
// Strings we use often
var styleStr = "style";
var textStr = "text";
var linkStr = "link";
var vlinkStr = "vlink";
var alinkStr = "alink";
var bgcolorStr = "bgcolor";
var backgroundStr = "background";
var colorStyle = "color: ";
var backColorStyle = "background-color: ";
var backImageStyle = "; background-image: url(";
var browserColors;
var dialog;
function Startup()
{
dialog = new Object;
if (!dialog)
return false;
dialog.ColorPreview = document.getElementById("ColorPreview");
dialog.NormalText = document.getElementById("NormalText");
dialog.LinkText = document.getElementById("LinkText");
dialog.ActiveLinkText = document.getElementById("ActiveLinkText");
dialog.VisitedLinkText = document.getElementById("VisitedLinkText");
dialog.DefaultColorsRadio = document.getElementById("DefaultColorsRadio");
dialog.CustomColorsRadio = document.getElementById("CustomColorsRadio");
dialog.BackgroundImageInput = document.getElementById("BackgroundImageInput");
// The data elements that hold the pref values
dialog.NormalData = document.getElementById("textData");
dialog.LinkData = document.getElementById("linkData");
dialog.ActiveLinkData = document.getElementById("aLinkData");
dialog.VisitedLinkData = document.getElementById("fLinkData");
dialog.BackgroundColorData = document.getElementById("backgroundColorData");
dialog.BackgroundImageData = document.getElementById("backgroundImageData");
browserColors = GetDefaultBrowserColors();
// Use author's browser pref colors passed into dialog
defaultTextColor = browserColors.TextColor;
defaultLinkColor = browserColors.LinkColor;
// Note: Browser doesn't store a value for ActiveLinkColor
defaultActiveColor = defaultLinkColor;
defaultVisitedColor = browserColors.VisitedLinkColor;
defaultBackgroundColor= browserColors.BackgroundColor;
// Get the colors and image set by prefs init code
customTextColor = dialog.NormalData.getAttribute("value");
customLinkColor = dialog.LinkData.getAttribute("value");
customActiveColor = dialog.ActiveLinkData.getAttribute("value");
customVisitedColor = dialog.VisitedLinkData.getAttribute("value");
customBackgroundColor = dialog.BackgroundColorData.getAttribute("value");
backgroundImage = dialog.BackgroundImageData.getAttribute("value");
if (backgroundImage)
dialog.BackgroundImageInput.value = backgroundImage;
// "value" attribute value is a string conversion of boolean!
if( document.getElementById( "useCustomColors" ).value == "true" )
UseCustomColors();
else
UseDefaultColors();
return true;
}
function GetColorAndUpdate(ColorWellID)
{
// Only allow selecting when in custom mode
if (!dialog.CustomColorsRadio.checked) return;
var colorObj = new Object;
var colorWell = document.getElementById(ColorWellID);
if (!colorWell) return;
// Don't allow a blank color, i.e., using the "default"
colorObj.NoDefault = true;
switch( ColorWellID )
{
case "textCW":
colorObj.Type = "Text";
colorObj.TextColor = customTextColor;
break;
case "linkCW":
colorObj.Type = "Link";
colorObj.TextColor = customLinkColor;
break;
case "activeCW":
colorObj.Type = "ActiveLink";
colorObj.TextColor = customActiveColor;
break;
case "visitedCW":
colorObj.Type = "VisitedLink";
colorObj.TextColor = customVisitedColor;
break;
case "backgroundCW":
colorObj.Type = "Page";
colorObj.PageColor = customBackgroundColor;
break;
}
window.openDialog("chrome://editor/content/EdColorPicker.xul", "_blank", "chrome,close,titlebar,modal", "", colorObj);
// User canceled the dialog
if (colorObj.Cancel)
return;
var color = "";
switch( ColorWellID )
{
case "textCW":
color = customTextColor = colorObj.TextColor;
dialog.NormalData.setAttribute("value", color);
break;
case "linkCW":
color = customLinkColor = colorObj.TextColor;
dialog.LinkData.setAttribute("value", color);
break;
case "activeCW":
color = customActiveColor = colorObj.TextColor;
dialog.ActiveLinkData.setAttribute("value", color);
break;
case "visitedCW":
color = customVisitedColor = colorObj.TextColor;
dialog.VisitedLinkData.setAttribute("value", color);
break;
case "backgroundCW":
color = customBackgroundColor = colorObj.BackgroundColor;
dialog.BackgroundColorData.setAttribute("value", color);
break;
}
setColorWell(ColorWellID, color);
SetColorPreview(ColorWellID, color);
}
function SetColorPreview(ColorWellID, color)
{
switch( ColorWellID )
{
case "textCW":
dialog.NormalText.setAttribute(styleStr,colorStyle+color);
break;
case "linkCW":
dialog.LinkText.setAttribute(styleStr,colorStyle+color);
break;
case "activeCW":
dialog.ActiveLinkText.setAttribute(styleStr,colorStyle+color);
break;
case "visitedCW":
dialog.VisitedLinkText.setAttribute(styleStr,colorStyle+color);
break;
case "backgroundCW":
// Must combine background color and image style values
var styleValue = backColorStyle+color;
if (backgroundImage)
styleValue += ";"+backImageStyle+backgroundImage+");";
dialog.ColorPreview.setAttribute(styleStr,styleValue);
previewBGColor = color;
break;
}
}
function UseCustomColors()
{
SetElementEnabledById("TextButton", true);
SetElementEnabledById("LinkButton", true);
SetElementEnabledById("ActiveLinkButton", true);
SetElementEnabledById("VisitedLinkButton", true);
SetElementEnabledById("BackgroundButton", true);
SetElementEnabledById("Text", true);
SetElementEnabledById("Link", true);
SetElementEnabledById("Active", true);
SetElementEnabledById("Visited", true);
SetElementEnabledById("Background", true);
SetColorPreview("textCW", customTextColor);
SetColorPreview("linkCW", customLinkColor);
SetColorPreview("activeCW", customActiveColor);
SetColorPreview("visitedCW", customVisitedColor);
SetColorPreview("backgroundCW", customBackgroundColor);
setColorWell("textCW", customTextColor);
setColorWell("linkCW", customLinkColor);
setColorWell("activeCW", customActiveColor);
setColorWell("visitedCW", customVisitedColor);
setColorWell("backgroundCW", customBackgroundColor);
dialog.NormalData.setAttribute("value", customTextColor);
dialog.LinkData.setAttribute("value", customLinkColor);
dialog.ActiveLinkData.setAttribute("value", customActiveColor);
dialog.VisitedLinkData.setAttribute("value", customVisitedColor);
dialog.BackgroundColorData.setAttribute("value", customBackgroundColor);
}
function UseDefaultColors()
{
SetColorPreview("textCW", defaultTextColor);
SetColorPreview("linkCW", defaultLinkColor);
SetColorPreview("activeCW", defaultActiveColor);
SetColorPreview("visitedCW", defaultVisitedColor);
SetColorPreview("backgroundCW", defaultBackgroundColor);
// Setting to blank color will remove color from buttons,
setColorWell("textCW", "");
setColorWell("linkCW", "");
setColorWell("activeCW", "");
setColorWell("visitedCW", "");
setColorWell("backgroundCW", "");
// Disable color buttons and labels
SetElementEnabledById("TextButton", false);
SetElementEnabledById("LinkButton", false);
SetElementEnabledById("ActiveLinkButton", false);
SetElementEnabledById("VisitedLinkButton", false);
SetElementEnabledById("BackgroundButton", false);
SetElementEnabledById("Text", false);
SetElementEnabledById("Link", false);
SetElementEnabledById("Active", false);
SetElementEnabledById("Visited", false);
SetElementEnabledById("Background", false);
// Note that we leave custom colors set even if
// custom colors pref is false (we just ignore the colors)
}
function ChooseImageFile()
{
// Get a local image file, converted into URL format
var fileName = GetLocalFileURL("img");
if (fileName)
{
dialog.BackgroundImageInput.value = fileName;
ValidateAndPreviewImage(true);
}
SetTextboxFocus(dialog.BackgroundImageInput);
}
function ChangeBackgroundImage()
{
// Don't show error message for image while user is typing
ValidateAndPreviewImage(false);
}
function ValidateAndPreviewImage(ShowErrorMessage)
{
// First make a string with just background color
var styleValue = backColorStyle+previewBGColor+";";
var image = dialog.BackgroundImageInput.value.trimString();
if (image)
{
if (IsValidImage(image))
{
backgroundImage = image;
// Append image style
styleValue += backImageStyle+backgroundImage+");";
}
else
{
backgroundImage = "";
if (ShowErrorMessage)
{
SetTextboxFocus(dialog.BackgroundImageInput);
// Tell user about bad image
ShowInputErrorMessage(GetString("MissingImageError"));
}
}
}
else
backgroundImage = "";
// Set style on preview (removes image if not valid)
dialog.ColorPreview.setAttribute(styleStr, styleValue);
// Set the pref data so pref code saves it
dialog.BackgroundImageData.setAttribute("value", backgroundImage ? backgroundImage : "");
}