1 files changed, 159 insertions, 0 deletions
diff --git a/examples/RSSListing.qs b/examples/RSSListing.qs
new file mode 100644
index 0000000..489fef5
--- /dev/null
+++ b/examples/RSSListing.qs
@@ -0,0 +1,159 @@
+/****************************************************************************
+**
+** Copyright (C) 2008 Trolltech ASA. All rights reserved.
+**
+** This file is part of the Qt Script Generator project on Trolltech Labs.
+**
+** This file may be used under the terms of the GNU General Public
+** License version 2.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of
+** this file.  Please review the following information to ensure GNU
+** General Public Licensing requirements will be met:
+** http://www.trolltech.com/products/qt/opensource.html
+**
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://www.trolltech.com/products/qt/licensing.html or contact the
+** sales department at sales@trolltech.com.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+****************************************************************************/
+
+function tr(s) { return s; }
+
+
+function RSSListing(parent)
+{
+    QWidget.call(this, parent);
+
+    this.xml = new QXmlStreamReader();
+    this.currentTag = "";
+    this.linkString = "";
+    this.titleString = "";
+    this.connectionId = -1;
+
+    this.lineEdit = new QLineEdit(this);
+    this.lineEdit.text = "http://labs.trolltech.com/blogs/feed";
+
+    this.fetchButton = new QPushButton(tr("Fetch"), this);
+    this.abortButton = new QPushButton(tr("Abort"), this);
+    this.abortButton.enabled = false;
+
+    this.treeWidget = new QTreeWidget(this);
+    this.treeWidget["itemActivated(QTreeWidgetItem*, int)"].connect(
+        this, this.itemActivated);
+    var headerLabels = new Array();
+    headerLabels.push(tr("Title"));
+    headerLabels.push(tr("Link"));
+    this.treeWidget.setHeaderLabels(headerLabels);
+    this.treeWidget.header().setResizeMode(QHeaderView.ResizeToContents);
+
+    this.http = new QHttp(this);
+    this.http.readyRead.connect(this, this.readData);
+    this.http.requestFinished.connect(this, this.finished);
+
+    this.lineEdit.returnPressed.connect(this, this.fetch);
+    this.fetchButton.clicked.connect(this, this.fetch);
+    this.abortButton.clicked.connect(this.http, this.http.abort);
+
+    var layout = new QVBoxLayout(this);
+
+    var hboxLayout = new QHBoxLayout();
+
+    // ### working around problem with addWidget() binding
+    hboxLayout.addWidget(this.lineEdit, 0, Qt.AlignLeft);
+    hboxLayout.addWidget(this.fetchButton, 0, Qt.AlignLeft);
+    hboxLayout.addWidget(this.abortButton, 0, Qt.AlignLeft);
+
+    layout.addLayout(hboxLayout);
+    layout.addWidget(this.treeWidget, 0, Qt.AlignLeft);
+
+    this.windowTitle = tr("RSS listing example");
+    this.resize(640,480);
+}
+
+RSSListing.prototype = new QWidget();
+
+RSSListing.prototype.fetch = function()
+{
+    this.lineEdit.readOnly = true;
+    this.fetchButton.enabled = false;
+    this.abortButton.enabled = true;
+    this.treeWidget.clear();
+
+    this.xml.clear();
+
+    var url = new QUrl(this.lineEdit.text);
+
+    this.http.setHost(url.host());
+    this.connectionId = this.http.get(url.path());
+}
+
+RSSListing.prototype.readData = function(resp)
+{
+    if (resp.statusCode() != 200)
+        this.http.abort();
+    else {
+        this.xml.addData(this.http.readAll());
+        this.parseXml();
+    }
+}
+
+RSSListing.prototype.finished = function(id, error)
+{
+    if (error) {
+        print("Received error during HTTP fetch."); // ### qWarning()
+        this.lineEdit.readOnly = false;
+        this.abortButton.enabled = false;
+        this.fetchButton.enabled = true;
+    } else if (id == this.connectionId) {
+        this.lineEdit.readOnly = false;
+        this.abortButton.enabled = false;
+        this.fetchButton.enabled = true;
+    }
+}
+
+RSSListing.prototype.parseXml = function()
+{
+    while (!this.xml.atEnd()) {
+        this.xml.readNext();
+        if (this.xml.isStartElement()) {
+            if (this.xml.name() == "item")
+                this.linkString = this.xml.attributes().value("rss:about").toString();
+            this.currentTag = this.xml.name().toString();
+        } else if (this.xml.isEndElement()) {
+            if (this.xml.name() == "item") {
+
+                var item = new QTreeWidgetItem();
+                item.setText(0, this.titleString);
+                item.setText(1, this.linkString);
+                this.treeWidget.addTopLevelItem(item);
+
+                this.titleString = "";
+                this.linkString = "";
+            }
+
+        } else if (this.xml.isCharacters() && !this.xml.isWhitespace()) {
+            if (this.currentTag == "title")
+                this.titleString += this.xml.text().toString();
+            else if (this.currentTag == "link")
+                this.linkString += this.xml.text().toString();
+        }
+    }
+    if (this.xml.hasError() && (this.xml.error() != QXmlStreamReader.PrematureEndOfDocumentError)) {
+        print("XML ERROR:", this.xml.lineNumber() + ":", this.xml.errorString());
+        this.http.abort();
+    }
+}
+
+RSSListing.prototype.itemActivated = function(item)
+{
+    QDesktopServices.openUrl(new QUrl(item.text(1)));
+}
+
+
+var rsslisting = new RSSListing();
+rsslisting.show();
+QCoreApplication.exec();