/**
* plugin.js
*
* Copyright, Moxiecode Systems AB
* Released under LGPL License.
*
* License: http://www.tinymce.com/license
* Contributing: http://www.tinymce.com/contributing
*/
/*global tinymce:true */
tinymce.PluginManager.add('image', function(editor) {
function getImageSize(url, callback) {
var img = document.createElement('img');
function done(width, height) {
if (img.parentNode) {
img.parentNode.removeChild(img);
}
callback({width: width, height: height});
}
img.onload = function() {
done(img.clientWidth, img.clientHeight);
};
img.onerror = function() {
done();
};
var style = img.style;
style.visibility = 'hidden';
style.position = 'fixed';
style.bottom = style.left = 0;
style.width = style.height = 'auto';
document.body.appendChild(img);
img.src = url;
}
function createImageList(callback) {
return function() {
var imageList = editor.settings.image_list;
if (typeof(imageList) == "string") {
tinymce.util.XHR.send({
url: imageList,
success: function(text) {
callback(tinymce.util.JSON.parse(text));
}
});
} else {
callback(imageList);
}
};
}
function showDialog(imageList) {
var win, data = {}, dom = editor.dom, imgElm = editor.selection.getNode();
var width, height, imageListCtrl, classListCtrl;
function buildValues(listSettingName, dataItemName, defaultItems) {
var selectedItem, items = [];
tinymce.each(editor.settings[listSettingName] || defaultItems, function(target) {
var item = {
text: target.text || target.title,
value: target.value
};
items.push(item);
if (data[dataItemName] === target.value || (!selectedItem && target.selected)) {
selectedItem = item;
}
});
if (selectedItem && !data[dataItemName]) {
data[dataItemName] = selectedItem.value;
selectedItem.selected = true;
}
return items;
}
function buildImageList() {
var imageListItems = [{text: 'None', value: ''}];
tinymce.each(imageList, function(image) {
imageListItems.push({
text: image.text || image.title,
value: editor.convertURL(image.value || image.url, 'src'),
menu: image.menu
});
});
return imageListItems;
}
function recalcSize() {
var widthCtrl, heightCtrl, newWidth, newHeight;
widthCtrl = win.find('#width')[0];
heightCtrl = win.find('#height')[0];
newWidth = widthCtrl.value();
newHeight = heightCtrl.value();
if (win.find('#constrain')[0].checked() && width && height && newWidth && newHeight) {
if (width != newWidth) {
newHeight = Math.round((newWidth / width) * newHeight);
heightCtrl.value(newHeight);
} else {
newWidth = Math.round((newHeight / height) * newWidth);
widthCtrl.value(newWidth);
}
}
width = newWidth;
height = newHeight;
}
function onSubmitForm() {
function waitLoad(imgElm) {
function selectImage() {
imgElm.onload = imgElm.onerror = null;
editor.selection.select(imgElm);
editor.nodeChanged();
}
imgElm.onload = function() {
if (!data.width && !data.height) {
dom.setAttribs(imgElm, {
width: imgElm.clientWidth,
height: imgElm.clientHeight
});
}
selectImage();
};
imgElm.onerror = selectImage;
}
updateStyle();
recalcSize();
data = tinymce.extend(data, win.toJSON());
if (data.width === '') {
data.width = null;
}
if (data.height === '') {
data.height = null;
}
if (data.style === '') {
data.style = null;
}
data = {
src: data.src,
alt: data.alt,
width: data.width,
height: data.height,
style: data.style,
"class": data["class"]
};
if (!data["class"]) {
delete data["class"];
}
editor.undoManager.transact(function() {
if (!data.src) {
if (imgElm) {
dom.remove(imgElm);
editor.focus();
editor.nodeChanged();
}
return;
}
if (!imgElm) {
data.id = '__mcenew';
editor.focus();
editor.selection.setContent(dom.createHTML('img', data));
imgElm = dom.get('__mcenew');
dom.setAttrib(imgElm, 'id', null);
} else {
dom.setAttribs(imgElm, data);
}
waitLoad(imgElm);
});
}
function removePixelSuffix(value) {
if (value) {
value = value.replace(/px$/, '');
}
return value;
}
function srcChange() {
if (imageListCtrl) {
imageListCtrl.value(editor.convertURL(this.value(), 'src'));
}
getImageSize(this.value(), function(data) {
if (data.width && data.height) {
width = data.width;
height = data.height;
win.find('#width').value(width);
win.find('#height').value(height);
}
});
}
width = dom.getAttrib(imgElm, 'width');
height = dom.getAttrib(imgElm, 'height');
if (imgElm.nodeName == 'IMG' && !imgElm.getAttribute('data-mce-object') && !imgElm.getAttribute('data-mce-placeholder')) {
data = {
src: dom.getAttrib(imgElm, 'src'),
alt: dom.getAttrib(imgElm, 'alt'),
"class": dom.getAttrib(imgElm, 'class'),
width: width,
height: height
};
} else {
imgElm = null;
}
if (imageList) {
imageListCtrl = {
type: 'listbox',
label: 'Image list',
values: buildImageList(),
value: data.src && editor.convertURL(data.src, 'src'),
onselect: function(e) {
var altCtrl = win.find('#alt');
if (!altCtrl.value() || (e.lastControl && altCtrl.value() == e.lastControl.text())) {
altCtrl.value(e.control.text());
}
win.find('#src').value(e.control.value());
},
onPostRender: function() {
imageListCtrl = this;
}
};
}
if (editor.settings.image_class_list) {
classListCtrl = {
name: 'class',
type: 'listbox',
label: 'Class',
values: buildValues('image_class_list', 'class')
};
}
// General settings shared between simple and advanced dialogs
var generalFormItems = [
{name: 'src', type: 'filepicker', filetype: 'image', label: 'Source', autofocus: true, onchange: srcChange},
imageListCtrl,
{name: 'alt', type: 'textbox', label: 'Image description'},
{
type: 'container',
label: 'Dimensions',
layout: 'flex',
direction: 'row',
align: 'center',
spacing: 5,
items: [
{name: 'width', type: 'textbox', maxLength: 5, size: 3, onchange: recalcSize, ariaLabel: 'Width'},
{type: 'label', text: 'x'},
{name: 'height', type: 'textbox', maxLength: 5, size: 3, onchange: recalcSize, ariaLabel: 'Height'},
{name: 'constrain', type: 'checkbox', checked: true, text: 'Constrain proportions'}
]
},
classListCtrl
];
function updateStyle() {
function addPixelSuffix(value) {
if (value.length > 0 && /^[0-9]+$/.test(value)) {
value += 'px';
}
return value;
}
if (!editor.settings.image_advtab) {
return;
}
var data = win.toJSON();
var css = dom.parseStyle(data.style);
delete css.margin;
css['margin-top'] = css['margin-bottom'] = addPixelSuffix(data.vspace);
css['margin-left'] = css['margin-right'] = addPixelSuffix(data.hspace);
css['border-width'] = addPixelSuffix(data.border);
win.find('#style').value(dom.serializeStyle(dom.parseStyle(dom.serializeStyle(css))));
}
if (editor.settings.image_advtab) {
// Parse styles from img
if (imgElm) {
data.hspace = removePixelSuffix(imgElm.style.marginLeft || imgElm.style.marginRight);
data.vspace = removePixelSuffix(imgElm.style.marginTop || imgElm.style.marginBottom);
data.border = removePixelSuffix(imgElm.style.borderWidth);
data.style = editor.dom.serializeStyle(editor.dom.parseStyle(editor.dom.getAttrib(imgElm, 'style')));
}
// Advanced dialog shows general+advanced tabs
win = editor.windowManager.open({
title: 'Insert/edit image',
data: data,
bodyType: 'tabpanel',
body: [
{
title: 'General',
type: 'form',
items: generalFormItems
},
{
title: 'Advanced',
type: 'form',
pack: 'start',
items: [
{
label: 'Style',
name: 'style',
type: 'textbox'
},
{
type: 'form',
layout: 'grid',
packV: 'start',
columns: 2,
padding: 0,
alignH: ['left', 'right'],
defaults: {
type: 'textbox',
maxWidth: 50,
onchange: updateStyle
},
items: [
{label: 'Vertical space', name: 'vspace'},
{label: 'Horizontal space', name: 'hspace'},
{label: 'Border', name: 'border'}
]
}
]
}
],
onSubmit: onSubmitForm
});
} else {
// Simple default dialog
win = editor.windowManager.open({
title: 'Insert/edit image',
data: data,
body: generalFormItems,
onSubmit: onSubmitForm
});
}
}
editor.addButton('image', {
icon: 'image',
tooltip: 'Insert/edit image',
onclick: createImageList(showDialog),
stateSelector: 'img:not([data-mce-object],[data-mce-placeholder])'
});
editor.addMenuItem('image', {
icon: 'image',
text: 'Insert image',
onclick: createImageList(showDialog),
context: 'insert',
prependToContext: true
});
});