+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2002-2007 Critical Software S.A.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * Tiago Rodrigues (Critical Software S.A.) - initial implementation
- * Joel Oliveira (Critical Software S.A.) - initial commit
- ******************************************************************************/
-qx.Class.define( "org.eclipse.rwt.widgets.Upload", {
- extend: qx.ui.layout.VerticalBoxLayout,
-
- construct : function( servlet, flags ) {
- this.base( arguments );
-
- this._servlet = servlet;
- this._isStarted = false;
-
- /*
- * Identifies a upload process at the server.
- */
- this._uploadProcessId = "";
-
- /*
- * Is used to retry sending a progress polling
- * request only once.
- */
- this._monitorRequestFailed = false;
-
- this._showProgress = ( flags & 1 ) > 0;
- this._showUploadButton = ( flags & 2 ) > 0;
- this._fireProgressEvents = ( flags & 4 ) > 0;
-
- this.initHeight();
- this.initOverflow();
-
- var topLayout = new qx.ui.layout.HorizontalBoxLayout();
- topLayout.set({left:0,right:0,height:"1*"});
-
- // Upload Form
- this._uploadForm = new uploadwidget.UploadForm("uploadForm", this._servlet);
- // Make the widget use the entire assigned space
- this._uploadForm.set({top:0,left:0,width:"1*", height:"100%"});
- topLayout.add(this._uploadForm);
-
-
- // Browse File Button
- this._uploadField = new uploadwidget.UploadField("uploadFile", "Browse");
- this._uploadField.set({left:0,right:0});
- this._uploadField.addEventListener( "changeValue", this._onChangeValue, this );
-
- // workaround adjust browse button position
- // Set default width for default text "Browse"
- this._uploadField._button.set({top:0,right:0,height:"100%"});
- this._uploadField._text.set({marginTop:0});
-
- this._uploadForm.add(this._uploadField);
-
- this._uploadField.setHeight("100%");
- this._uploadField._text.setHeight("100%");
-
- // Upload Button
- if( this._showUploadButton ) {
- this._uploadButton = new qx.ui.form.Button("Upload");
-
- // This state is needed for proper button CSS themeing
- this._uploadButton.addState( "rwt_PUSH" );
- this._uploadButton.addEventListener("click", this._uploadFile, this);
- this._uploadButton.set({height:"100%"});
- topLayout.add(this._uploadButton);
- }
-
- this.add(topLayout);
-
- if (this._showProgress) {
- // Progress Bar
- this._progressBar = new org.eclipse.swt.widgets.ProgressBar();
- this._progressBar.set({left:0,height:20});
- this._progressBar.setMinimum(0);
- this._progressBar.setMaximum(100);
- this._progressBar.setFlag(org.eclipse.swt.widgets.ProgressBar.FLAG_HORIZONTAL);
-
- this.add(this._progressBar);
- }
-
- if (this._fireProgressEvents) {
- this._uploadForm.addEventListener("sending", this._monitorUpload, this);
- }
-
- this._uploadForm.addEventListener("completed", this._cleanUp, this);
- this.addEventListener("upload", this._fireEvent, this);
- this.addEventListener( "changeEnabled", this._onEnabled, this );
- this._uploadField._button.addEventListener( "click", this._onFocus, this );
- },
-
- destruct : function() {
- // SR: Seems as if _uploadField's button has already been disposed in some cases,
- // e.g. if the user reloads the application pressing F5.
- // See 275144: [Upload] Contextual JS errors with the upload widget
- if (this._uploadField._button) {
- this._uploadField._button.removeEventListener( "click", this._onFocus );
- }
- this.removeEventListener( "changeEnabled", this._onEnabled );
- this._uploadField.removeEventListener( "changeValue", this._onChangeValue );
-
- if( this._showUploadButton ) {
- this._uploadButton.removeEventListener("click", this._uploadFile);
- }
-
- if (this._fireProgressEvents) {
- this._uploadForm.removeEventListener("sending", this._monitorUpload);
- }
-
- this._uploadForm.removeEventListener("completed", this._cleanUp);
-
- this.removeEventListener("upload", this._fireEvent);
- },
-
- events: {
- "upload" : "qx.event.type.DataEvent"
- },
-
- properties :
- {
- /**
- * The last file that was uploaded.
- */
- lastFileUploaded :
- {
- check : "String",
- init : ""
- }
- },
-
- members : {
- _fireEvent : function (e) {
- var wm = org.eclipse.swt.WidgetManager.getInstance();
- var id = wm.findIdByWidget(this);
- var req = org.eclipse.swt.Request.getInstance();
- req.addParameter(id + ".finished", e.getData());
- req.addParameter(id + ".lastFileUploaded", this.getLastFileUploaded());
- req.send();
- },
-
- _cleanUp : function () {
- if (this._isStarted == true) {
- var filename = this._uploadField.getValue();
-
- if (filename.indexOf("\\") != -1) {
- filename = filename.substr(filename.lastIndexOf("\\") + 1);
- } else if (filename.indexOf("/") != -1) {
- filename = filename.substr(filename.lastIndexOf("/") + 1);
- }
-
- this.setLastFileUploaded(filename);
- // Stefan Röck: The field shouldn't be cleaned automatically, this can
- // still be achvied by calling reset()
- //this._uploadField.setValue("");
- //if( this._showProgress ) {
- // this._progressBar.setWidth("0%");
- // }
-
- // make sure, that the progressbar (if visible) is filled completely after
- // uploading finished
- if (this._showProgress) {
- this._progressBar.setSelection(100);
- }
- this._isStarted = false;
-
- this.createDispatchDataEvent("upload", true);
- }
- },
-
- /*
- * Each upload process uses a unique id to allow the server
- * to identify the incoming requests to return the correct upload
- * progress.
- */
- _generateUniqueUploadUrl : function () {
- // generate a new id for this upload
- this._uploadProcessId = new Date().valueOf();
-
- this._uploadForm.setUrl(this._getUniqueUploadUrl());
- },
-
- /*
- * Attaches the upload process id to the servlet url.
- */
- _getUniqueUploadUrl : function () {
- var hasUrlParameter = this._servlet && this._servlet.indexOf("&");
- var newUploadUrl;
- if (hasUrlParameter != -1) {
- newUploadUrl = this._servlet + "&processId=" + this._uploadProcessId;
- } else {
- newUploadUrl = this._servlet + "?processId=" + this._uploadProcessId;
- }
- return newUploadUrl;
- },
-
- _uploadFile : function () {
- if (this._uploadField.getValue() != "") {
- this._isStarted = true;
- this._monitorRequestFailed = false;
- this._generateUniqueUploadUrl();
- this._uploadForm.send();
- }
- },
-
- _monitorUpload : function () {
- qx.ui.core.Widget.flushGlobalQueues();
- var req = new qx.io.remote.Request( this._getUniqueUploadUrl(), qx.net.Http.METHOD_GET, qx.util.Mime.TEXT );
- req.setAsynchronous( false );
- req.addEventListener( "completed", this._handleCompleted, this );
- req.send();
- },
-
- _handleCompleted : function( evt ) {
- var req = evt.getTarget().getImplementation().getRequest();
- if (req.status == 200) {
- var xml = req.responseXML;
-
- var finished = xml.getElementsByTagName("finished")[0];
- var percentCompleted = xml.getElementsByTagName("percent_complete")[0];
-
- // Check to see if it's even started yet
- if ((finished == null) && (percentCompleted == null)) {
- if (!this._monitorRequestFailed) {
- // Try refreshing once only to avoid endless loops
- this._monitorRequestFailed = true;
- qx.client.Timer.once(this._monitorUpload, this, 1000);
- }
- }
- else if (finished == null) {
- var bytesRead = xml.getElementsByTagName("bytes_read")[0];
- var contentLength = xml.getElementsByTagName("content_length")[0];
-
- // Started, get the status of the upload
- if (percentCompleted != null) {
-
- if (this._showProgress) {
- var progress = percentCompleted.firstChild.data;
- this.debug("New Progress " + progress);
- this._progressBar.setSelection(progress);
- }
-
- this.createDispatchDataEvent("upload", false);
-
- qx.client.Timer.once(this._monitorUpload, this, 1000);
- }
- else {
- // Finished
- }
- }
- }
- else {
- this.debug("HTTP Response NOK: "+ this._req.statusText);
- }
-
- },
-
- _onChangeValue : function( evt ) {
- var wm = org.eclipse.swt.WidgetManager.getInstance();
- var id = wm.findIdByWidget( this );
- var req = org.eclipse.swt.Request.getInstance();
- req.addParameter( id + ".path", evt.getValue() );
- req.send();
- },
-
- _performUpload : function() {
- this._uploadFile();
- },
-
- _resetUpload : function() {
- if (this._progressBar) {
- this._progressBar.setSelection(0);
- }
- if (this._uploadField.isCreated()) {
- this._uploadField.setValue("");
- }
- },
-
- /*
- * This is a workaround as enablement does not work with the base
- * file upload widgets.
- * TODO: [sr] disable/enable doesn't work with IE8.
- */
- _onEnabled : function( evt ) {
- qx.ui.core.Widget.flushGlobalQueues();
-
- if( evt.getValue() ) {
- this._uploadField._button._input.style.height
- = this._uploadField.getHeight();
- } else {
- this._uploadField._button._input.style.height = "0px";
- }
- },
-
- /*
- * This is a workaround as the underlying file upload takes the focus
- * despite the hidefocus style settings.
- */
- _onFocus : function( evt ) {
- var input = this._uploadField._button._input;
- this._uploadField._button._input.onblur = function() {
- input.onblur = null;
- input.onfocus = function() { input.blur(), input.onfocus = null };
- };
- },
-
- // TODO [fappel]: would a property be the better solution?
- setBrowseButtonText : function( browseButtonText, width ) {
- this._uploadField._button.setLabel( browseButtonText );
- this._uploadField._button.setWidth( width );
- },
-
- // TODO [fappel]: would a property be the better solution?
- setUploadButtonText : function( uploadButtonText, width ) {
- if( this._showUploadButton ) {
- this._uploadButton.setLabel( uploadButtonText );
- this._uploadButton.setWidth( width );
- }
- },
-
- // 325753: [upload] Styling of text widget border is not applied correctly
- // https://bugs.eclipse.org/bugs/show_bug.cgi?id=325753
- addState : function(vState) {
- // Delegate styles ("rwt_BORDER") to TextField
- if (this._uploadField && this._uploadField._text) {
- this._uploadField._text.addState(vState);
- }
- },
-
- removeState : function(vState) {
- // Delegate styles ("rwt_BORDER") to TextField
- if (this._uploadField && this._uploadField._text) {
- this._uploadField._text.removeState(vState);
- }
- }
-
- }
-} );
projects / lgpl / argeo-commons.git / blobdiff