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116 lines
3.1 KiB
116 lines
3.1 KiB
15 years ago
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/*
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* Copyright (C) %{YEAR} %{AUTHOR} <%{EMAIL}>
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*/
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import java.util.*;
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import org.kde.qt.*;
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import org.kde.koala.*;
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/**
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* This is the main view class for %{APPNAME}. Most of the non-menu,
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* non-toolbar, and non-statusbar (e.g., non frame) GUI code should go
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* here.
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*
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* This %{APPNAMELC} uses an HTML component as an example.
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*
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* @short Main view
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* @author %{AUTHOR} <%{EMAIL}>
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* @version %{VERSION}
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*/
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public class %{APPNAME}View extends QWidget
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{
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QHBoxLayout top_layout;
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public %{APPNAME}View(QWidget parent)
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{
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super(parent, null);
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// setup our layout manager to automatically add our widgets
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top_layout = new QHBoxLayout(this);
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top_layout.setAutoAdd(true);
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// we want to look for all components that satisfy our needs. the
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// trader will actually search through *all* registered KDE
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// applications and components -- not just KParts. So we have to
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// specify two things: a service type and a constraint
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//
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// the service type is like a mime type. we say that we want all
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// applications and components that can handle HTML -- 'text/html'
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//
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// however, by itself, this will return such things as Netscape..
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// not what we wanted. so we constrain it by saying that the
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// string 'KParts/ReadOnlyPart' must be found in the ServiceTypes
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// field. with this, only components of the type we want will be
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// returned.
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ArrayList offers = KTrader.self().query("text/html", "'KParts/ReadOnlyPart' in ServiceTypes");
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KLibFactory factory = null;
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// in theory, we only care about the first one.. but let's try all
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// offers just in case the first can't be loaded for some reason
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Iterator it = offers.iterator();
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while(it.hasNext())
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{
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KService ptr = (KService) it.next();
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// we now know that our offer can handle HTML and is a part.
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// since it is a part, it must also have a library... let's try to
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// load that now
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factory = KLibLoader.self().factory( ptr.library() );
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if (factory != null)
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{
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m_html = (ReadOnlyPart) factory.create(this, ptr.name(), "KParts::ReadOnlyPart");
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break;
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}
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}
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// if our factory is invalid, then we never found our component
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// and we might as well just exit now
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if (factory == null)
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{
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KMessageBox.error(this, "Could not find a suitable HTML component");
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return;
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}
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connect(m_html, SIGNAL("setWindowCaption(String)"),
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this, SLOT("slotSetTitle(String)"));
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connect(m_html, SIGNAL("setStatusBarText(String)"),
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this, SLOT("slotOnURL(String)"));
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}
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public void print(QPainter p, int height, int width)
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{
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// do the actual printing, here
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// p.drawText(etc..)
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}
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public String currentURL()
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{
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return m_html.url().url();
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}
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public void openURL(String url)
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{
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openURL(new KURL(url));
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}
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public void openURL(KURL url)
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{
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m_html.openURL(url);
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}
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private void slotOnURL(String url)
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{
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emit("signalChangeStatusbar", url);
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}
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private void slotSetTitle(String title)
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{
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emit("signalChangeCaption", title);
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}
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private ReadOnlyPart m_html;
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}
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