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jquery.xmleditor.js
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jquery.xmleditor.js
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;(function($){
/*
Copyright 2008 The University of North Carolina at Chapel Hill
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/*
* jQuery xml Editor
*
* Dependencies:
* vkbeautify.0.98.01.beta.js
* jquery 1.7.1
* jquery.ui 1.7.1
* ajax ace editor
* jquery.xmlns.js
* expanding.js
*
* @author Ben Pennell
*/
var menuContainerClass = "xml_menu_container";
var menuHeaderClass = "menu_header";
var menuColumnClass = "xml_menu_column";
var menuContentClass = 'menu_content';
var menuExpandDuration = 180;
var xmlElementClass = 'xml_element';
var topLevelContainerClass = 'top_level_element_group';
var elementRootPrefix = "root_element_";
var elementPrefix = "xml_element_";
var childrenContainerSelector = " > .xml_children";
var childrenContainerClass = "xml_children";
var attributeContainerClass = "attribute_container";
var attributesContainerSelector = " > .xml_attrs";
var attributesContainerClass = "xml_attrs";
var xmlMenuHeaderPrefix = "xml_header_item_";
var xmlEditorContainerClass = "xml_editor_container";
var xmlWorkAreaContainerClass = "xml_work_area";
var addTopMenuClass = "add_top_menu";
var addAttrMenuClass = "add_attribute_menu";
var addElementMenuClass = "add_element_menu";
var xmlMenuBarClass = "xml_menu_bar";
var submitButtonClass = "send_xml";
var submissionStatusClass = "xml_submit_status";
var xmlContentClass = "xml_content";
var editorTabAreaClass = "xml_tab_area";
var problemsPanelClass = "xml_problems_panel";
var guiContentClass = "gui_content";
var textContentClass = "text_content";
var editorHeaderClass = "xml_editor_header";
$.widget( "xml.xmlEditor", {
options: {
addTopMenuHeaderText : 'Add Top Element',
addAttrMenuHeaderText : 'Add Attribute',
addElementMenuHeaderText : 'Add Subelement',
schemaObject: null,
confirmExitWhenUnsubmitted : true,
enableGUIKeybindings : true,
floatingMenu : true,
ajaxOptions : {
xmlUploadPath: null,
xmlRetrievalPath: null,
xmlRetrievalParams : null
},
localXMLContentSelector: this.element,
prettyXML : true,
undoHistorySize: 20,
documentTitle : null,
namespaces: null,
submitResponseHandler : null,
targetNS: null,
targetPrefix: null,
menuEntries: undefined
},
_create: function() {
this.instanceNumber = $("xml-xmlEditor").length;
// If the schema is a function, execute it to get the schema from it.
if (jQuery.isFunction(this.options.schemaObject)) {
this.schema = this.options.schemaObject.apply();
} else {
this.schema = JSON.retrocycle(this.options.schemaObject);
}
if (!this.options.targetNS) {
this.targetNS = this.schema.namespace;
}
// Tree of xml element types
this.xmlTree = null;
// State of the XML document
this.xmlState = null;
// Container for the entire editor
this.xmlEditorContainer = null;
// Container for the subeditors
this.xmlWorkAreaContainer = null;
// Tabbed container for differentiating between specific subeditors
this.xmlTabContainer = null;
// Header container for the menu and top level info
this.editorHeader = null;
// Panel for displaying errors
this.problemsPanel = null;
// GUI Editor object
this.guiEditor = null;
// Text Editor object
this.textEditor = null;
// Currently active editor
this.activeEditor = null;
// History manager for undo/redo
this.undoHistory = null;
// Top level menu bar object
this.menuBar = null;
// Element modification object
this.modifyMenu = null;
},
_init: function() {
if (this.options.submitResponseHandler == null)
this.options.submitResponseHandler = this.swordSubmitResponseHandler;
this.xmlTree = new SchemaTree(this.schema);
this.xmlTree.build();
// Retrieve the local xml content before we start populating the editor.
var localXMLContent = null;
if ($(this.options.localXMLContentSelector).is("textarea")) {
localXMLContent = $(this.options.localXMLContentSelector).val();
} else {
localXMLContent = this.element.html();
}
this.element.empty();
this.xmlState = null;
this.xmlEditorContainer = $("<div/>").attr('class', xmlEditorContainerClass).appendTo(this.element);
this.xmlWorkAreaContainer = null;
this.xmlTabContainer = null;
this.editorHeader = null;
this.problemsPanel = null;
this.guiEditor = new GUIEditor(this);
this.textEditor = new TextEditor(this);
this.activeEditor = this.guiEditor;
var self = this;
this.undoHistory = new UndoHistory(this);
this.undoHistory.setStateChangeEvent(function() {
self.refreshDisplay();
});
this.menuBar = new MenuBar(this);
this.menuBar.updateFunctions.push(this.refreshMenuUndo);
this.menuBar.updateFunctions.push(this.refreshMenuSelected);
if (this.options.menuEntries) {
$.each(this.options.menuEntries, function() {
self.menuBar.addEntry(this);
});
}
this.modifyMenu = new ModifyMenuPanel(this);
if (this.options.enableGUIKeybindings)
$(window).keydown(function(e){
self.keydownCallback(e);
});
if (this.options.confirmExitWhenUnsubmitted) {
$(window).bind('beforeunload', $.proxy(function(e) {
if (this.xmlState.isChanged()) {
return "The document contains unsaved changes.";
}
}, this));
}
if (this.options.ajaxOptions.xmlRetrievalPath != null) {
$.ajax({
type : "GET",
url : this.options.ajaxOptions.xmlRetrievalPath,
data : (this.options.ajaxOptions.xmlRetrievalParams),
dataType : "text",
success : function(data) {
self.loadDocument(data);
}
});
} else {
this.loadDocument(localXMLContent);
}
},
loadDocument: function(xmlString) {
this.xmlState = new DocumentState(xmlString, this);
this.xmlState.extractNamespacePrefixes();
// Add namespaces into jquery
this.xmlState.namespaces.namespaceURIs = $.extend({}, this.xmlTree.namespaces.namespaceURIs, this.xmlState.namespaces.namespaceURIs);
this.xmlState.namespaces.namespaceToPrefix = $.extend({}, this.xmlTree.namespaces.namespaceToPrefix, this.xmlState.namespaces.namespaceToPrefix);
this.xmlState.namespaces.addToJQuery();
this.targetPrefix = this.xmlState.namespaces.getNamespacePrefix(this.options.targetNS);
if (this.targetPrefix != "")
this.targetPrefix += ":";
this.constructEditor();
this.refreshDisplay();
// Capture baseline undo state
this.undoHistory.captureSnapshot();
},
constructEditor: function() {
// Work Area
this.xmlWorkAreaContainer = $("<div/>").attr('class', xmlWorkAreaContainerClass).appendTo(this.xmlEditorContainer);
// Menu bar
this.editorHeader = $("<div/>").attr('class', editorHeaderClass).appendTo(this.xmlWorkAreaContainer);
if (this.options.documentTitle != null)
$("<h2/>").html("Editing Description: " + this.options.documentTitle).appendTo(this.editorHeader);
this.menuBar.render(this.editorHeader);
this.xmlTabContainer = $("<div/>").attr("class", editorTabAreaClass).css("padding-top", this.editorHeader.height() + "px").appendTo(this.xmlWorkAreaContainer);
this.problemsPanel = $("<pre/>").attr('class', problemsPanelClass).hide().appendTo(this.xmlTabContainer);
this.guiEditor.initialize(this.xmlTabContainer);
this.modeChange(0);
var self = this;
$(window).resize(function() {
self.xmlTabContainer.width(self.xmlEditorContainer.outerWidth() - self.modifyMenu.menuColumn.outerWidth());
if (self.activeEditor != null){
self.activeEditor.resize();
}
self.editorHeader.width(self.xmlTabContainer.width());
if (self.options.floatingMenu) {
self.modifyMenu.setMenuPosition();
}
});
this.modifyMenu.initialize(this.xmlEditorContainer);
this.modifyMenu.addMenu(addElementMenuClass, this.options.addElementMenuHeaderText,
true, false, true);
this.modifyMenu.addAttributeMenu(addAttrMenuClass, this.options.addAttrMenuHeaderText,
true, false, true);
this.modifyMenu.addMenu(addTopMenuClass, this.options.addTopMenuHeaderText,
true, true).populate(this.guiEditor.rootElement, this.schema);
if (this.options.floatingMenu) {
$(window).bind('scroll', $.proxy(this.modifyMenu.setMenuPosition, this.modifyMenu));
}
$("." + submitButtonClass).click(function() {
self.saveXML();
});
//$(window).resize();
//this.refreshDisplay();
},
addChildElementCallback: function (instigator) {
var xmlElement = $(instigator).data("xml").target;
var objectType = $(instigator).data("xml").objectType;
if (this.textEditor.active) {
// Refresh xml state
if (this.xmlState.changesNotSynced()) {
try {
this.setXMLFromEditor();
} catch (e) {
this.addProblem("Unable to add element, please fix existing XML syntax first.", e);
return;
}
}
}
var newElement = xmlElement.addElement(objectType);
this.activeEditor.addElementEvent(xmlElement, newElement);
},
addAttributeButtonCallback: function(instigator) {
if ($(instigator).hasClass("disabled"))
return;
if (this.xmlState.changesNotSynced()) {
try {
this.setXMLFromEditor();
} catch (e) {
alert(e.message);
return;
}
}
var data = $(instigator).data('xml');
data.target.addAttribute(data.objectType);
this.activeEditor.addAttributeEvent(data.target, data.objectType, $(instigator));
},
modeChange: function(mode) {
if (mode == 0) {
if (this.textEditor.isInitialized() && this.xmlState.isChanged()) {
// Try to reconstruct the xml object before changing tabs. Cancel change if parse error to avoid losing changes.
try {
this.setXMLFromEditor();
} catch (e) {
this.addProblem("Invalid xml", e);
return false;
}
this.undoHistory.captureSnapshot();
}
}
$(".active_mode_tab").removeClass("active_mode_tab");
this.modifyMenu.clearContextualMenus();
if (this.activeEditor != null) {
this.activeEditor.deactivate();
}
if (mode == 0) {
this.activeEditor = this.guiEditor;
$("#" + xmlMenuHeaderPrefix + "XML").addClass("active_mode_tab");
} else {
this.activeEditor = this.textEditor;
$("#" + xmlMenuHeaderPrefix + "Text").addClass("active_mode_tab");
}
this.activeEditor.activate();
},
refreshDisplay: function() {
if (this.activeEditor == null)
return;
this.activeEditor.refreshDisplay();
if (this.options.floatingMenu) {
this.modifyMenu.setMenuPosition();
}
this.xmlWorkAreaContainer.width(this.xmlEditorContainer.outerWidth() - this.modifyMenu.menuColumn.outerWidth());
},
setXMLFromEditor: function() {
var xmlString = this.textEditor.aceEditor.getValue();
this.xmlState.setXMLFromString(xmlString);
},
saveXML: function() {
if (this.options.ajaxOptions.xmlUploadPath != null) {
this.submitXML();
} else {
// Implement later when there is more browser support for html5 File API
this.exportXML();
}
},
getBlobBuilder: function() {
return window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder;
},
exportXML: function() {
window.URL = window.webkitURL || window.URL;
window.BlobBuilder = this.getBlobBuilder();
if (window.BlobBuilder === undefined) {
this.addProblem("Browser does not support saving files via this editor. To save, copy and paste the document from the Text view.");
return false;
}
if (this.textEditor.active) {
try {
this.setXMLFromEditor();
} catch (e) {
this.xmlState.setDocumentHasChanged(true);
$("." + submissionStatusClass).html("Failed to save<br/>See errors at top").css("background-color", "#ffbbbb").animate({backgroundColor: "#ffffff"}, 1000);
this.addProblem("Cannot save due to invalid xml", e);
return false;
}
}
var xmlString = this.xml2Str(this.xmlState.xml);
var blobBuilder = new BlobBuilder();
blobBuilder.append(xmlString);
var mimeType = "text/xml";
var a = document.createElement('a');
a.download = "xml.xml";
a.href = window.URL.createObjectURL(blobBuilder.getBlob(mimeType));
a.dataset.downloadurl = [mimeType, a.download, a.href].join(':');
a.target = "exportXML";
var event = document.createEvent("MouseEvents");
event.initMouseEvent(
"click", true, false, window, 0, 0, 0, 0, 0
, false, false, false, false, 0, null
);
a.dispatchEvent(event);
},
submitXML: function() {
if (this.textEditor.active) {
try {
this.setXMLFromEditor();
} catch (e) {
this.xmlState.setDocumentHasChanged(true);
$("." + submissionStatusClass).html("Failed to submit<br/>See errors at top").css("background-color", "#ffbbbb").animate({backgroundColor: "#ffffff"}, 1000);
this.addProblem("Cannot submit due to invalid xml", e);
return false;
}
}
// convert XML DOM to string
var xmlString = this.xml2Str(this.xmlState.xml);
$("." + submissionStatusClass).html("Submitting...");
var self = this;
$.ajax({
'url' : this.options.ajaxOptions.xmlUploadPath,
'contentType' : "application/xml",
'type' : "POST",
'data' : xmlString,
success : function(response) {
var outcome = self.options.submitResponseHandler(response);
if (!outcome) {
self.xmlState.changesCommittedEvent();
self.clearProblemPanel();
} else {
self.xmlState.syncedChangeEvent();
$("." + submissionStatusClass).html("Failed to submit<br/>See errors at top").css("background-color", "#ffbbbb").animate({backgroundColor: "#ffffff"}, 1000);
self.addProblem("Failed to submit xml document", outcome);
}
},
error : function(jqXHR, exception) {
if (jqXHR.status === 0) {
alert('Not connect.\n Verify Network.');
} else if (jqXHR.status == 404) {
alert('Requested page not found. [404]');
} else if (jqXHR.status == 500) {
alert('Internal Server Error [500].');
} else if (exception === 'parsererror') {
alert('Requested JSON parse failed.');
} else if (exception === 'timeout') {
alert('Time out error.');
} else if (exception === 'abort') {
alert('Ajax request aborted.');
} else {
alert('Uncaught Error.\n' + jqXHR.responseText);
}
}
});
},
swordSubmitResponseHandler: function(response) {
var responseObject = $(response);
if (responseObject.length > 0 && responseObject[responseObject.length - 1].localName == "sword:error") {
return responseObject.find("atom\\:summary").html();
}
return false;
},
// convert xml DOM to string
xml2Str: function(xmlNodeObject) {
if (xmlNodeObject == null)
return;
var xmlNode = (xmlNodeObject instanceof jQuery? xmlNodeObject[0]: xmlNodeObject);
var xmlStr = "";
try {
// Gecko-based browsers, Safari, Opera.
xmlStr = (new XMLSerializer()).serializeToString(xmlNode);
} catch (e) {
try {
// Internet Explorer.
xmlStr = xmlNode.xml;
} catch (e) {
this.addProblem('Xmlserializer not supported', e);
return false;
}
}
if (this.options.prettyXML)
xmlStr = vkbeautify.xml(xmlStr);
return xmlStr;
},
getParentObject: function(object, suffix) {
var objectId = $(object).attr('id');
var parentId = objectId.substring(0, objectId.indexOf(suffix));
var parentObject = $("#" + parentId);
if (parentObject.length == 0)
return;
return parentObject;
},
addProblem: function(message, problem) {
this.problemsPanel.html(message + "<br/>");
if (problem !== undefined) {
if (problem.substring) {
this.problemsPanel.append(problem.replace(/</g, "<").replace(/>/g, ">"));
} else {
this.problemsPanel.append(problem.message.replace(/</g, "<").replace(/>/g, ">"));
}
}
this.refreshProblemPanel();
},
clearProblemPanel: function() {
this.problemsPanel.hide();
},
refreshProblemPanel: function() {
if (this.problemsPanel.html() == "") {
this.problemsPanel.hide("fast");
} else {
this.problemsPanel.show("fast");
}
},
nsEquals: function(node, element, elementNS) {
if (element.substring)
return element == node.localName && elementNS == node.namespaceURI;
return element.localName == node.localName && node.namespaceURI == element.namespace;
},
getXPath: function(element) {
var xpath = '';
for ( ; element && element.nodeType == 1; element = element.parentNode ) {
var id = $(element.parentNode).children(element.tagName.replace(":", "\\:")).index(element) + 1;
id = ('[' + id + ']');
if (element.tagName.indexOf("xml:") == -1)
xpath = '/xml:' + element.tagName + id + xpath;
else xpath = '/' + element.tagName + id + xpath;
}
return xpath;
},
keydownCallback: function(e) {
if (this.guiEditor.active) {
var focused = $("input:focus, textarea:focus, select:focus");
// Escape key, blur the currently selected input or deselect selected element
if (e.keyCode == 27) {
if (focused.length > 0)
focused.blur();
else this.guiEditor.selectElement(null);
return false;
}
// Enter, focus the first visible input
if (e.keyCode == 13 && focused.length == 0) {
e.preventDefault();
this.guiEditor.focusSelectedText();
return false;
}
// Tab, select the next input
if (e.keyCode == 9) {
e.preventDefault();
this.guiEditor.focusInput(e.shiftKey);
return false;
}
// Delete key press while item selected but nothing is focused.
if (e.keyCode == 46 && focused.length == 0) {
this.guiEditor.deleteSelected();
return false;
}
if (e.keyCode > 36 && e.keyCode < 41 && focused.length == 0){
e.preventDefault();
if (e.altKey) {
// Alt + up or down move the element up and down in the document
this.guiEditor.moveSelected(e.keyCode == 38);
} else if (e.shiftKey) {
// If holding shift while pressing up or down, then jump to the next/prev sibling
if (e.keyCode == 40 || e.keyCode == 38) {
this.guiEditor.selectSibling(e.keyCode == 38);
} else if (e.keyCode == 37 || e.keyCode == 39) {
this.guiEditor.selectParent(e.keyCode == 39);
}
} else {
// If not holding shift while hitting up or down, go to the next/prev element
if (e.keyCode == 40 || e.keyCode == 38){
this.guiEditor.selectNext(e.keyCode == 38);
} else if (e.keyCode == 37 || e.keyCode == 39) {
this.guiEditor.selectAttribute(e.keyCode == 37);
}
}
return false;
}
if ((e.metaKey || e.ctrlKey) && focused.length == 0 && e.keyCode == 'Z'.charCodeAt(0)) {
// Undo
this.undoHistory.changeHead(e.shiftKey? 1: -1);
return false;
} else if ((e.metaKey || e.ctrlKey) && focused.length == 0 && e.keyCode == 'Y'.charCodeAt(0)){
// Redo
this.undoHistory.changeHead(1);
return false;
}
}
// Save, on either tab.
if (e.altKey && e.shiftKey && e.keyCode == 'S'.charCodeAt(0)) {
$("." + submitButtonClass).click();
return false;
}
if (e.altKey && e.shiftKey && e.keyCode == 'E'.charCodeAt(0)) {
this.exportXML();
return false;
}
if (e.altKey && e.shiftKey && e.keyCode == 'X'.charCodeAt(0)) {
this.xmlTabContainer.tabs('select', 0);
return false;
}
if (e.altKey && e.shiftKey && e.keyCode == 'T'.charCodeAt(0)) {
this.xmlTabContainer.tabs('select', 1);
return false;
}
return true;
},
/**
* Menu Update functions
*/
refreshMenuUndo: function(self) {
if (self.undoHistory.headIndex > 0) {
$("#" + xmlMenuHeaderPrefix + "Undo").removeClass("disabled").data("menuItemData").enabled = true;
} else {
$("#" + xmlMenuHeaderPrefix + "Undo").addClass("disabled").data("menuItemData").enabled = false;
}
if (self.undoHistory.headIndex < self.undoHistory.states.length - 1) {
$("#" + xmlMenuHeaderPrefix + "Redo").removeClass("disabled").data("menuItemData").enabled = true;
} else {
$("#" + xmlMenuHeaderPrefix + "Redo").addClass("disabled").data("menuItemData").enabled = false;
}
},
refreshMenuSelected: function(self) {
var suffixes = ['Deselect', 'Next_Element', 'Previous_Element', 'Parent', 'First_Child', 'Next_Sibling',
'Previous_Sibling', 'Next_Attribute', 'Previous_Attribute', 'Delete', 'Move_Element_Up',
'Move_Element_Down'];
var hasSelected = self.guiEditor.selectedElement != null && self.guiEditor.active;
$.each(suffixes, function(){
if (hasSelected)
$("#" + xmlMenuHeaderPrefix + this.toString()).removeClass("disabled").data("menuItemData").enabled = true;
else $("#" + xmlMenuHeaderPrefix + this.toString()).addClass("disabled").data("menuItemData").enabled = false;
});
}
});
function AbstractXMLObject(editor, objectType) {
this.editor = editor;
this.guiEditor = this.editor.guiEditor;
this.objectType = objectType;
}
AbstractXMLObject.prototype.createElementInput = function (inputID, startingValue, appendTarget){
var input = null;
if (this.objectType.values.length > 0){
var selectionValues = this.objectType.values;
input = $('<select />').attr({
'id' : inputID
}).appendTo(appendTarget);
$.each(selectionValues, function() {
$('<option />', {
value : this,
text : this.toString(),
selected : (startingValue == this)
}).appendTo(input);
});
} else if ((this.objectType.element && (this.objectType.type == 'string' || this.objectType.type == 'mixed'))
|| this.objectType.attribute){
input = $('<textarea/>').attr({
'id' : inputID,
'value' : startingValue
}).appendTo(appendTarget).one('focus', function() {
if ($(this).val() == " ") {
$(this).val("");
}
});
if (!this.objectType.attribute)
input.expandingTextarea();
} else if (this.objectType.type == 'ID' || this.objectType.type == 'date' || this.objectType.type == 'anyURI' ){
input = $('<input/>').attr({
'id' : inputID,
'type' : 'text',
'value' : startingValue
}).appendTo(appendTarget).one('focus', function() {
if ($(this).val() == " ") {
$(this).val("");
}
});
}
return input;
};
AbstractXMLObject.prototype.focus = function() {
if (this.getDomElement() != null)
this.guiEditor.focusObject(this.getDomElement());
};
AbstractXMLObject.prototype.getDomElement = function () {
return null;
};
function AttributeMenu(menuID, label, expanded, enabled, owner) {
ModifyElementMenu.call(this, menuID, label, expanded, enabled, owner);
}
AttributeMenu.prototype.constructor = AttributeMenu;
AttributeMenu.prototype = Object.create( ModifyElementMenu.prototype );
AttributeMenu.prototype.populate = function (xmlElement) {
if (xmlElement == null || (this.target != null && xmlElement.guiElement != null
&& this.target[0] === xmlElement.guiElement[0]))
return;
if (this.expanded)
this.menuContent.css("height", "auto");
var startingHeight = this.menuContent.outerHeight();
this.menuContent.empty();
this.target = xmlElement;
var attributesArray = this.target.objectType.attributes;
var attributesPresent = {};
$(this.target.xmlNode[0].attributes).each(function() {
var targetAttribute = this;
$.each(attributesArray, function(){
if (this.name == targetAttribute.nodeName) {
attributesPresent[this.name] = $("#" + xmlElement.guiElementID + "_" + targetAttribute.nodeName.replace(':', '-'));
}
});
});
var self = this;
$.each(this.target.objectType.attributes, function(){
var attribute = this;
var addButton = $("<li/>").attr({
title : 'Add ' + attribute.name,
'id' : xmlElement.guiElementID + "_" + attribute.nameEsc + "_add"
}).html(attribute.name).click(function(){
self.owner.editor.addAttributeButtonCallback(this);
}).data('xml', {
"objectType": attribute,
"target": xmlElement
}).appendTo(self.menuContent);
if (attribute.name in attributesPresent) {
addButton.addClass("disabled");
if (attributesPresent[attribute.name].length > 0)
attributesPresent[attribute.name].data('xmlAttribute').addButton = addButton;
}
});
if (this.expanded) {
var endingHeight = this.menuContent.outerHeight();
if (endingHeight == 0)
endingHeight = 1;
this.menuContent.css({height: startingHeight + "px"}).stop().animate({height: endingHeight + "px"}, menuExpandDuration).show();
}
if (this.menuContent.children().length == 0) {
this.menuHeader.addClass("disabled");
this.enabled = false;
} else {
this.menuHeader.removeClass("disabled");
this.enabled = true;
}
return this;
};
/**
* Manages and tracks the state of the underlying document being edited.
*/
function DocumentState(baseXML, editor) {
this.baseXML = baseXML;
this.xml = null;
this.changeState = 0;
this.editor = editor;
this.setXMLFromString(this.baseXML);
this.namespaces = new NamespaceList(editor.options.nameSpaces);
}
DocumentState.prototype.isChanged = function() {
return this.changeState > 1;
};
DocumentState.prototype.isBaseDocument = function() {
return this.changeState == 0;
};
DocumentState.prototype.changesSaved = function() {
return this.changeState == 1;
};
DocumentState.prototype.changesSynced = function() {
return this.changeState == 2;
};
DocumentState.prototype.changesNotSynced = function() {
return this.changeState == 3;
};
DocumentState.prototype.documentChangedEvent = function() {
this.changeState = 2;
this.editor.undoHistory.captureSnapshot();
this.updateStateMessage();
};
DocumentState.prototype.changesCommittedEvent = function() {
this.changeState = 1;
this.updateStateMessage();
};
DocumentState.prototype.changeEvent = function() {
if (this.changeState < 2)
this.changeState = 2;
this.updateStateMessage();
};
DocumentState.prototype.syncedChangeEvent = function() {
this.changeState = 2;
this.updateStateMessage();
};
DocumentState.prototype.unsyncedChangeEvent = function() {
this.changeState = 3;
this.updateStateMessage();
};
DocumentState.prototype.updateStateMessage = function () {
if (this.isChanged()) {
$("." + submissionStatusClass).html("Unsaved changes");
} else {
$("." + submissionStatusClass).html("All changes saved");
}
};
DocumentState.prototype.extractNamespacePrefixes = function(nsURI) {
var prefix = null;
var attributes = this.xml.children()[0].attributes;
var self = this;
$.each(attributes, function(){
var key = this.name;
var value = this.value;
if (key.indexOf("xmlns") == 0){
if ((prefixIndex = key.indexOf(":")) > 0){
prefix = key.substring(prefixIndex+1)
} else {
prefix = "";
}
self.namespaces.addNamespace(value, prefix);
}
});
};
DocumentState.prototype.setXMLFromString = function(xmlString) {
// parseXML doesn't return any info on why a document is invalid, so do it the old fashion way.
if (window.DOMParser) {
parser = new DOMParser();
if (this.editor.options.prettyXML) {
xmlString = vkbeautify.xml(xmlString);
}
xmlDoc = parser.parseFromString(xmlString, "application/xml");
var parseError = xmlDoc.getElementsByTagName("parsererror");
if (parseError.length > 0){
throw new Error($(parseError).text());
}
} else {
// Internet Explorer
xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
xmlDoc.async = false;
if (this.editor.options.prettyXML) {
xmlString = vkbeautify.xml(xmlString);
}
xmlDoc.loadXML(xmlString);
if (xmlDoc.parseError.errorCode != 0) {
throw new Error("Error in line " + xmlDoc.parseError.line + " position " + xmlDoc.parseError.linePos
+ "\nError Code: " + xmlDoc.parseError.errorCode + "\nError Reason: "
+ xmlDoc.parseError.reason + "Error Line: " + xmlDoc.parseError.srcText);
}
}
this.xml = $(xmlDoc);
if (this.editor.guiEditor != null && this.editor.guiEditor.rootElement != null)
this.editor.guiEditor.rootElement.xmlNode = this.xml.children().first();
if (this.editor.guiEditor.xmlContent != null)
this.editor.guiEditor.xmlContent.data("xml").elementNode = this.xml.children().first();
if (this.editor.problemsPanel != null)
this.editor.clearProblemPanel();
};
function GUIEditor(editor) {
this.editor = editor;
this.guiContent = null;
this.xmlContent = null;
this.elementIndex = 0;
this.rootElement = null;
this.active = false;
this.selectedElement = null;
}
GUIEditor.prototype.initialize = function(parentContainer) {
this.xmlContent = $("<div class='" + xmlContentClass + "'/>");
this.xmlContent.data("xml", {});
$("<div/>").attr("class", "placeholder").html("There are no elements in this document. Use the menu on the right to add new top level elements.")
.appendTo(this.xmlContent);
this.guiContent = $("<div/>").attr({'id' : guiContentClass + this.editor.instanceNumber, 'class' : guiContentClass}).appendTo(parentContainer);
//this.guiContent = parentContainer;
this.guiContent.append(this.xmlContent);
this.rootElement = new XMLElement(this.editor.xmlState.xml.children().first(), this.editor.schema, this.editor);
this.rootElement.guiElement = this.xmlContent;
this.rootElement.guiElement.data("xmlElement", this.rootElement);
this.rootElement.childContainer = this.xmlContent;
this.rootElement.initializeGUI();
return this;
};
GUIEditor.prototype.activate = function() {
this.guiContent.show();
this.active = true;
this.deselect();
this.editor.textEditor.resetSelectedTagRange();
if (this.editor.textEditor.isModified() || (this.editor.textEditor.isInitialized() && this.editor.xmlState.isChanged())) {
this.editor.refreshDisplay();
this.editor.textEditor.setInitialized();
}
return this;
};
GUIEditor.prototype.deactivate = function() {
this.active = false;
this.guiContent.hide();
return this;
};
GUIEditor.prototype.nextIndex = function() {
return xmlElementClass + (++this.elementIndex);
};
GUIEditor.prototype.clearElements = function() {
$("." + topLevelContainerClass).remove();
return this;
};
GUIEditor.prototype.resize = function() {
//xmlContent.width(guiContent.width() - menuContainer.width() - 30);
return this;
};
GUIEditor.prototype.refreshDisplay = function() {
this.deselect();
this.elementIndex = 0;
this.rootElement.xmlNode = this.editor.xmlState.xml.children().first();
this.refreshElements();
return this;
};
GUIEditor.prototype.refreshElements = function() {
this.rootElement.renderChildren(true);
return this;
};
GUIEditor.prototype.addElementEvent = function(parentElement, newElement) {
if (parentElement.guiElementID != this.xmlContent.attr("id")) {
parentElement.updated();
}
this.focusObject(newElement.guiElement);
this.selectElement(newElement);
this.editor.xmlState.documentChangedEvent();
};
GUIEditor.prototype.addAttributeEvent = function(parentElement, objectType, addButton) {
var attribute = new XMLAttribute(objectType, parentElement, this.editor);
attribute.render();
parentElement.updated();
this.focusObject(attribute.attributeContainer);
addButton.addClass("disabled");
attribute.addButton = addButton;
this.editor.xmlState.documentChangedEvent();
};
GUIEditor.prototype.selectElement = function(selected) {