362 lines
10 KiB
JavaScript

var insertNew = true;
var imageElement;
var tagName = "img"
var expanded = true;
var wasEnableAll = false;
var hasAnyChanged = false;
var oldSourceInt = 0;
// dialog initialization code
function Startup()
{
if (!InitEditorShell())
return;
dump("EditoreditorShell found for Image Properties dialog\n");
// Create dialog object to store controls for easy access
dialog = new Object;
// This is the "combined" widget:
dialog.srcInput = document.getElementById("image.srcInput");
dialog.altTextInput = document.getElementById("image.altTextInput");
dialog.MoreOrLessButton = document.getElementById("MoreOrLessButton");
dialog.MoreOrLessRow = document.getElementById("MoreOrLessRow");
dialog.customsizeRadio = document.getElementById( "customsizeRadio" );
dialog.imagewidthInput = document.getElementById( "imagewidthInput" );
dialog.imageheightInput = document.getElementById( "imageheightInput" );
dialog.imagelrInput = document.getElementById( "imageleftrightInput" );
dialog.imagetbInput = document.getElementById( "imagetopbottomInput" );
dialog.imageborderInput = document.getElementById( "imageborderInput" );
// Start in the mode initialized in the "expanded" var above
// THIS IS NOT WORKING NOW - After switching to "basic" mode,
// then back to
if (expanded) {
dialog.MoreOrLessRow.style.visibility = "inherit"; // visible
} else {
dialog.MoreOrLessRow.style.visibility = "hidden"; // collapse
}
if (null == dialog.srcInput ||
null == dialog.altTextInput )
{
dump("Not all dialog controls were found!!!\n");
}
initDialog();
dialog.srcInput.focus();
}
function initDialog() {
// Get a single selected anchor element
imageElement = editorShell.GetSelectedElement(tagName);
if (imageElement)
{
// We found an element and don't need to insert one
insertNew = false;
}
else
{
insertNew = true;
// We don't have an element selected,
// so create one with default attributes
dump("Element not selected - calling createElementWithDefaults\n");
imageElement = editorShell.CreateElementWithDefaults(tagName);
if( !imageElement )
{
dump("Failed to get selected element or create a new one!\n");
window.close();
}
}
// Set the controls to the image's attributes
str = imageElement.getAttribute("src");
if ( str == "null" )
{
str = "";
}
dialog.srcInput.value = str;
str = imageElement.getAttribute("alt");
if ( str == "null" )
{
str = "";
}
dialog.altTextInput.value = str;
// we want to force an update so initialize "wasEnabledAll" to be the opposite of what the actual state is
wasEnabledAll = !((dialog.srcInput.value.length > 0) && (dialog.altTextInput.value.length > 0));
// set height and width
// note: need to set actual image size if no attributes
dimvalue = imageElement.getAttribute("width");
if ( dimvalue == "null" )
{
dimvalue = "";
}
dialog.imagewidthInput.value = dimvalue;
dimvalue = imageElement.getAttribute("height");
if ( dimvalue == "null" )
{
dimvalue = "";
}
dialog.imageheightInput.value = dimvalue;
// this is not the correct way to determine if custom or original
if ( dimvalue != "" )
{
dialog.customsizeRadio.checked = true;
}
alignpopup = document.getElementById("image.alignType");
if ( alignpopup )
{
alignvalue = imageElement.getAttribute("align");
if ( alignvalue == "" )
{
alignvalue = "at the bottom";
}
dump( "popup value = " + alignvalue + "\n" );
alignpopup.setAttribute( "value", alignvalue );
}
// set spacing editfields
sizevalue = imageElement.getAttribute("hspace");
dialog.imagelrInput.value = sizevalue;
sizevalue = imageElement.getAttribute("vspace");
dialog.imagetbInput.value = sizevalue;
sizevalue = imageElement.getAttribute("border");
dialog.imageborderInput.value = sizevalue;
// force wasEnableAll to be different so everything gets updated
wasEnableAll = !(dialog.srcInput.value.length > 0);
doOverallEnabling();
}
function chooseFile()
{
// Get a local file, converted into URL format
fileName = editorShell.GetLocalFileURL(window, "img");
if (fileName && fileName != "") {
dialog.srcInput.value = fileName;
doValueChanged();
}
// Put focus into the input field
dialog.srcInput.focus();
}
function onMoreOrLess()
{
if (expanded) {
dump("Changing to BASIC mode\n");
expanded = false;
// BUG: This works to hide the row, but
// setting visibility to "show" doesn't bring it back
dialog.MoreOrLessRow.style.visibility = "hidden"; // collapse
//dialog.MoreOrLessRow.style.display = "none";
} else {
dump("Changing to EXPANDED mode\n");
expanded = true;
//dialog.MoreOrLessRow.style.display = "table-row";
dialog.MoreOrLessRow.style.visibility = "inherit"; // visible
}
}
function doValueChanged()
{
if ( !hasAnyChanged )
{
hasAnyChanged = true;
doOverallEnabling();
hasAnyChanged = false;
}
}
function SelectWidthUnits()
{
list = document.getElementById("WidthUnits");
value = list.options[list.selectedIndex].value;
dump("Selected item: "+value+"\n");
doValueChanged();
}
function OnChangeSrc()
{
dump("OnChangeSrc ****************\n");
doValueChanged();
}
function doDimensionEnabling( doEnable )
{
// SetLabelEnabledByID( "originalsizeLabel", doEnable );
// SetLabelEnabledByID( "customsizeLabel", doEnable );
customradio = document.getElementById( "customsizeRadio" );
if ( customradio )
{
// disable or enable custom setting controls
SetElementEnabledByID( "imagewidthInput", doEnable && customradio.checked );
SetElementEnabledByID( "widthunitSelect", doEnable && customradio.checked );
SetElementEnabledByID( "imageheightInput", doEnable && customradio.checked );
SetElementEnabledByID( "heightunitSelect", doEnable && customradio.checked );
SetElementEnabledByID( "constrainCheckbox", doEnable && customradio.checked );
// SetLabelEnabledByID( "imagewidthLabel", doEnable && customradio.checked );
// SetLabelEnabledByID( "imageheightLabel", doEnable && customradio.checked );
// SetLabelEnabledByID( "constrainLabel", doEnable && customradio.checked );
}
}
function doOverallEnabling()
{
var canEnableAll;
canEnableAll = (dialog.srcInput.value.length > 0);
if ( wasEnableAll == canEnableAll )
return;
wasEnableAll = canEnableAll;
btn = document.getElementById("OK");
if ( btn )
{
btn.disabled = (!canEnableAll && hasAnyChanged);
}
fieldset = document.getElementById("imagedimensionsFieldset");
if ( fieldset )
{
SetElementEnabledByID("imagedimensionsFieldset", canEnableAll );
doDimensionEnabling( canEnableAll );
}
// handle altText and MoreOrLess button
// SetLabelEnabledByID( "image.altTextLabel", canEnableAll );
SetElementEnabledByID("image.altTextInput", canEnableAll );
SetElementEnabledByID("MoreOrLessButton", canEnableAll );
// commented out since it asserts right now
// SetLabelEnabledByID( "imagealignmentLabel", canEnableAll );
SetElementEnabledByID("image.alignType", canEnableAll );
// spacing fieldset
SetElementEnabledByID("spacing.fieldset", canEnableAll );
SetElementEnabledByID("imageleftrightInput", canEnableAll );
SetElementEnabledByID("imagetopbottomInput", canEnableAll );
SetElementEnabledByID("imageborderInput", canEnableAll );
// do spacing labels
// commented out since they all assert right now
// SetLabelEnabledByID( "leftrightLabel", canEnableAll );
// SetLabelEnabledByID( "leftrighttypeLabel", canEnableAll );
// SetLabelEnabledByID( "topbottomLabel", canEnableAll );
// SetLabelEnabledByID( "topbottomtypeLabel", canEnableAll );
// SetLabelEnabledByID( "borderLabel", canEnableAll );
// SetLabelEnabledByID( "bordertypeLabel", canEnableAll );
}
function SetImageAlignment()
{
}
// constrainProportions contribution by pete@postpagan.com
// needs to handle pixels/percent
function constrainProportions( srcID, destID )
{
srcElement = document.getElementById ( srcID );
if ( !srcElement )
return;
forceInteger( srcID );
// now find out if we should be constraining or not
checkbox = document.getElementById( "constrainCheckbox" );
if ( !checkbox)
return;
if ( !checkbox.checked )
return;
destElement = document.getElementById( destID );
if ( !destElement )
return;
// set new value in the other edit field
// src / dest ratio mantained
// newDest = (newSrc * oldDest / oldSrc)
if ( oldSourceInt == 0 )
destElement.value = srcElement.value;
else
destElement.value = Math.round( srcElement.value * destElement.value / oldSourceInt );
oldSourceInt = srcElement.value;
}
function onOK()
{
imageElement.setAttribute("src",dialog.srcInput.value);
// We must convert to "file:///" format else image doesn't load!
// TODO: we should confirm with user if no alt tag
imageElement.setAttribute("alt", dialog.altTextInput.value);
// set width if custom size and width is greater than 0
if ( dialog.customsizeRadio.checked
&& ( dialog.imagewidthInput.value.length > 0 )
&& ( dialog.imageheightInput.value.length > 0 ) )
{
imageElement.setAttribute( "width", dialog.imagewidthInput.value );
imageElement.setAttribute( "height", dialog.imageheightInput.value );
}
else
{
imageElement.removeAttribute( "width" );
imageElement.removeAttribute( "height" );
}
// spacing attributes
if ( dialog.imagelrInput.value.length > 0 )
imageElement.setAttribute( "hspace", dialog.imagelrInput.value );
else
imageElement.removeAttribute( "hspace" );
if ( dialog.imagetbInput.value.length > 0 )
imageElement.setAttribute( "vspace", dialog.imagetbInput.value );
else
imageElement.removeAttribute( "vspace" );
// note this is deprecated and should be converted to stylesheets
if ( dialog.imageborderInput.value.length > 0 )
imageElement.setAttribute( "border", dialog.imageborderInput.value );
else
imageElement.removeAttribute( "border" );
alignpopup = document.getElementById("image.alignType");
if ( alignpopup )
{
alignpopup.getAttribute( "value", alignvalue );
dump( "popup value = " + alignvalue + "\n" );
if ( alignvalue == "at the bottom" )
imageElement.removeAttribute("align");
else
imageElement.setAttribute("align", alignvalue );
}
// handle insertion of new image
if (insertNew) {
dump("src="+imageElement.getAttribute("src")+" alt="+imageElement.getAttribute("alt")+"\n");
// 'true' means delete the selection before inserting
editorShell.InsertElement(imageElement, true);
}
// dismiss dialog
window.close();
}