+++ /dev/null
-/* ************************************************************************
-
- qooxdoo - the new era of web development
-
- http://qooxdoo.org
-
- Copyright:
- 2007 Visionet GmbH, http://www.visionet.de
-
- License:
- LGPL: http://www.gnu.org/licenses/lgpl.html
- EPL: http://www.eclipse.org/org/documents/epl-v10.php
- See the LICENSE file in the project's top-level directory for details.
-
- Authors:
- * Dietrich Streifert (level420)
-
-************************************************************************ */
-
-/* ************************************************************************
-
-#module(uploadwidget_ui_io)
-#require(qx.xml.Document)
-
-************************************************************************ */
-
-/**
- * An upload widget implementation capable of holding multiple upload buttons
- * and upload fields.
- *
- * Each upload form creates an iframe which is used as a target for form submit.
- *
- *
- */
-qx.Class.define("uploadwidget.UploadForm",
-{
- extend : qx.ui.layout.CanvasLayout,
-
- /*
- *****************************************************************************
- CONSTRUCTOR
- *****************************************************************************
- */
-
- /**
- * @param name {String} form name ({@link #name}).
- * @param url {String} url for form submission ({@link #url}).
- * @param encoding {String} encoding for from submission. This is an instantiation only parameter and defaults to multipart/form-data
- */
- construct : function(name, url, encoding)
- {
- this.base(arguments);
-
- // Apply initial values
- if(name) {
- this.setName(name);
- }
-
- if(url) {
- this.setUrl(url);
- }
-
- this.setHtmlProperty("encoding", encoding || "multipart/form-data");
-
- // Initialize Properties
- this.initHeight();
- this.initWidth();
- this.initSelectable();
- this.initMethod();
-
-
- // Initialize Variables
- this._parameters = {};
- this._hidden = {};
-
- // create a hidden iframe which is used as form submission target
- this._createIFrameTarget();
- },
-
-
- /*
- *****************************************************************************
- EVENTS
- *****************************************************************************
- */
-
- events:
- {
- "sending" : "qx.event.type.Event",
- "completed" : "qx.event.type.Event"
- },
-
-
- /*
- *****************************************************************************
- PROPERTIES
- *****************************************************************************
- */
-
- properties :
- {
- /**
- * The name which is assigned to the form
- */
- name :
- {
- check : "String",
- init : "",
- apply : "_applyName"
- },
-
- /**
- * The url which is used for form submission.
- */
- url :
- {
- check : "String",
- init : "",
- apply : "_applyUrl"
- },
-
- /**
- * The target which is used for form submission.
- */
- target :
- {
- check : "String",
- init : "",
- apply : "_applyTarget"
- },
-
- /**
- * Determines what type of request to issue (GET or POST).
- */
- method :
- {
- check : [ qx.net.Http.METHOD_GET, qx.net.Http.METHOD_POST ],
- init : qx.net.Http.METHOD_POST,
- apply : "_applyMethod"
- },
-
- /**
- * refine the initial value of height to auto
- */
- height:
- {
- refine : true,
- init : "auto"
- },
-
- /**
- * refine the initial value of width to auto
- */
- width:
- {
- refine : true,
- init : "auto"
- },
-
- /**
- * refine the initial value of selectable to true
- */
- selectable :
- {
- refine : true,
- init : true
- }
- },
-
-
- /*
- *****************************************************************************
- MEMBERS
- *****************************************************************************
- */
-
- members :
- {
-
-
- /*
- ---------------------------------------------------------------------------
- APPLY ROUTINES
- ---------------------------------------------------------------------------
- */
-
- _applyName : function(value, old) {
- this.setHtmlProperty("name", value);
- },
-
- _applyUrl : function(value, old) {
- this.setHtmlProperty("action", value);
- },
-
- _applyTarget : function(value, old) {
- this.setHtmlProperty("target", value);
- },
-
- _applyMethod : function(value, old) {
- this.setHtmlProperty("method", value);
- },
-
-
- /*
- ---------------------------------------------------------------------------
- UTILITIES
- ---------------------------------------------------------------------------
- */
-
- /**
- * Create a hidden iframe which is used as target for the form submission.
- * Don't need a src attribute, if it was set to javascript:void we get an insecure
- * objects error in IE.
- *
- * @type member
- * @return {void}
- */
- _createIFrameTarget : function()
- {
- var frameName = "frame_" + (new Date).valueOf();
-
- if (qx.core.Variant.isSet("qx.client", "mshtml"))
- {
- this._iframeNode = document.createElement('<iframe name="' + frameName + '"></iframe>');
- } else {
- this._iframeNode = document.createElement("iframe");
- }
-
- this._iframeNode.id = this._iframeNode.name = frameName;
- this._iframeNode.style.display = "none";
- this.setTarget(frameName);
-
- document.body.appendChild(this._iframeNode);
-
- this._iframeNode.onload = qx.lang.Function.bind(this._onLoad, this);
- this._iframeNode.onreadystatechange = qx.lang.Function.bind(this._onReadyStateChange, this);
- },
-
-
- /**
- * Create an empty form widget. IE is not able to change the enctype
- * after element creation, so the enctype is set by using a skeleton
- * form tag as parameter for createElement.
- *
- * @type member
- * @return {void}
- */
- _createElementImpl : function() {
- var tagName;
- if (qx.core.Variant.isSet("qx.client", "mshtml")) {
- tagName ='<form enctype="' + this.getHtmlProperty("encoding") + '"></form>';
- } else {
- tagName = 'form';
- }
-
- this.setElement(this.getTopLevelWidget().getDocumentElement().createElement(tagName));
- },
-
-
- /**
- * Add parameters as hidden fields to the form.
- *
- * @type member
- * @return {object}
- */
- _addFormParameters : function() {
- var form = this.getElement();
- var parameters = this.getParameters();
-
- for (var id in parameters) {
- form.appendChild(this._hidden[id]);
- }
- },
-
-
- /**
- * Create an input element of type hidden with the
- * name ({@link #name}) and value ({@link #value})
- *
- * @type member
- * @param name {String} name attribute of the created element ({@link #name}).
- * @param value {String} value attribute of the created element ({@link #value}).
- * @return {void}
- */
- _createHiddenFormField : function(name,value) {
- var hvalue = document.createElement("input");
- hvalue.type = "hidden";
- hvalue.name = name;
- hvalue.value = value;
-
- return hvalue;
- },
-
-
- /**
- * Set a request parameter which is stored as an input type=hidden.
- *
- * @param id String identifier of the parameter to add.
- * @param value String Value of parameter.
- * @return {void}
- */
- setParameter : function(id, value) {
- this._parameters[id] = value;
- if(this._hidden[id] && this._hidden[id].name) {
- this._hidden[id].value = value;
- }
- else {
- this._hidden[id] = this._createHiddenFormField(id, value);
- }
- },
-
-
- /**
- * Remove a parameter from the request.
- *
- * @param id String identifier of the parameter to remove.
- * @return {void}
- */
- removeParameter : function(id) {
- delete this._parameters[id];
- if(this._hidden[id] && this._hidden[id].parentNode) {
- this._hidden[id].parentNode.removeChild(this._hidden[id]);
- }
- delete this._hidden[id];
- },
-
-
- /**
- * Get a parameter in the request.
- *
- * @param id String identifier of the parameter to get.
- * @return {String}
- */
- getParameter : function(id) {
- return this._parameters[id] || null;
- },
-
-
- /**
- * Returns the array containg all parameters for the request.
- *
- * @return {Array}
- */
- getParameters : function() {
- return this._parameters;
- },
-
-
- /**
- * Send the form via the submit method. Target defaults to the
- * self created iframe.
- *
- * @return {void}
- */
- send : function() {
- var form = this.getElement();
- if(form) {
- this._addFormParameters();
-
- form.submit();
-
- this._isSent = true;
- this.createDispatchEvent("sending");
- }
- else {
- throw new Error("Form element not created! Unable to call form submit!");
- }
- },
-
-
-
- /*
- ---------------------------------------------------------------------------
- FRAME UTILITIES
- ---------------------------------------------------------------------------
- */
-
- /**
- * Get the DOM window object of the target iframe.
- *
- * @type member
- * @return {DOMWindow} The DOM window object of the iframe.
- */
- getIframeWindow : function() {
- return qx.html.Iframe.getWindow(this._iframeNode);
- },
-
-
- /**
- * Get the DOM document object of the target iframe.
- *
- * @type member
- * @return {DOMDocument} The DOM document object of the iframe.
- */
- getIframeDocument : function() {
- return qx.html.Iframe.getDocument(this._iframeNode);
- },
-
-
- /**
- * Get the HTML body element of the target iframe.
- *
- * @type member
- * @return {Element} The DOM node of the <code>body</code> element of the iframe.
- */
- getIframeBody : function() {
- return qx.html.Iframe.getBody(this._iframeNode);
- },
-
-
- /**
- * Get the target iframe Element.
- *
- * @type member
- * @return {Element} The DOM element of the iframe.
- */
- getIframeNode : function() {
- return this._iframeNode;
- },
-
-
-
- /*
- ---------------------------------------------------------------------------
- RESPONSE DATA SUPPORT
- ---------------------------------------------------------------------------
- */
-
- /**
- * Get the text content of the target iframe.
- *
- * @type member
- * @return {String} The text response of the submit.
- */
- getIframeTextContent : function() {
- var vBody = this.getIframeBody();
-
- if (!vBody) {
- return null;
- }
-
- // Mshtml returns the content inside a PRE
- // element if we use plain text
- if (vBody.firstChild && (vBody.firstChild.tagName == "PRE" || vBody.firstChild.tagName == "pre"))
- {
- return vBody.firstChild.innerHTML;
- }
- else
- {
- return vBody.innerHTML;
- }
- },
-
-
- /**
- * Get the HTML content of the target iframe.
- *
- * @type member
- * @return {String} The html response of the submit.
- */
- getIframeHtmlContent : function() {
- var vBody = this.getIframeBody();
- return vBody ? vBody.innerHTML : null;
- },
-
-
- /**
- * Get the XML content of the target iframe.
- *
- * This is a hack for now because I didn't find a way
- * to send XML via the iframe response.
- *
- * In the resulting text all occurences of the <
- * and > entities are replaces by < and > and
- * the Text is then parsed into a XML-Document instance.
- *
- * @type member
- * @return {Document} The XML response of the submit.
- */
- getIframeXmlContent : function() {
- var responsetext = this.getIframeTextContent();
-
- if(!responsetext || responsetext.length == 0) {
- return null;
- }
-
- var xmlContent = null;
- var newText = responsetext.replace(/</g,"<");
- newText = newText.replace(/>/g, ">");
-
- try {
- xmlContent = qx.xml.Document.fromString(newText);
- }
- catch(ex) {};
-
- return xmlContent;
- },
-
-
-
- /*
- ---------------------------------------------------------------------------
- EVENT HANDLER
- ---------------------------------------------------------------------------
- */
-
- /**
- * Catch the onreadystatechange event of the target iframe.
- *
- * @type member
- * @param e {Event}
- * @return {void}
- */
- _onReadyStateChange : function(e) {
- if (this.getIframeNode().readyState == "complete" && this._isSent) {
- this.createDispatchEvent("completed");
- delete this._isSent;
- }
- },
-
-
- /**
- * Catch the onload event of the target iframe
- *
- * @type member
- * @param e {Event}
- * @return {void}
- */
- _onLoad : function(e) {
- if(this._isSent) {
- this.createDispatchEvent("completed");
- delete this._isSent;
- }
- }
- },
-
- /*
- *****************************************************************************
- DESTRUCTOR
- *****************************************************************************
- */
-
- destruct : function()
- {
- if (this._iframeNode)
- {
- try
- {
- document.body.removeChild(this._iframeNode);
- this._iframeNode.onreadystatechange = null;
- this._iframeNode.onload = null;
- this._iframeNode = null;
- }
- catch (exc)
- {
- this.warn("can't remove iframe node from dom.");
- }
- }
-
- this._parameters = null;
-
- for (var id in this._hidden)
- {
- if(this._hidden[id] && this._hidden[id].parentNode)
- {
- this._hidden[id].parentNode.removeChild(this._hidden[id]);
- }
- }
-
- this._hidden = null;
- }
-});
-
projects / lgpl / argeo-commons.git / blobdiff