kate_kdatatool.cpp
/* This file is part of the KDE libraries
Copyright (C) 2002 Joseph Wenninger <jowenn@jowenn.at> and Daniel Naber <daniel.naber@t-online.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
//BEGIN includes
#include "kate_kdatatool.h"
#include "kate_kdatatool.moc"
#include <kgenericfactory.h>
#include <kaction.h>
#include <ktexteditor/view.h>
#include <kdebug.h>
#include <kdatatool.h>
#include <ktexteditor/document.h>
#include <ktexteditor/selectioninterface.h>
#include <kpopupmenu.h>
#include <ktexteditor/viewcursorinterface.h>
#include <ktexteditor/editinterface.h>
#include <kmessagebox.h>
//END includes
K_EXPORT_COMPONENT_FACTORY( ktexteditor_kdatatool, KGenericFactory<KTextEditor::KDataToolPlugin>( "ktexteditor_kdatatool" ) )
namespace KTextEditor {
KDataToolPlugin::KDataToolPlugin( QObject *parent, const char* name, const QStringList& )
: KTextEditor::Plugin ( (KTextEditor::Document*) parent, name )
{
}
KDataToolPlugin::~KDataToolPlugin ()
{
}
void KDataToolPlugin::addView(KTextEditor::View *view)
{
KDataToolPluginView *nview = new KDataToolPluginView (view);
nview->setView (view);
m_views.append (nview);
}
void KDataToolPlugin::removeView(KTextEditor::View *view)
{
for (uint z=0; z < m_views.count(); z++)
{
if (m_views.at(z)->parentClient() == view)
{
KDataToolPluginView *nview = m_views.at(z);
m_views.remove (nview);
delete nview;
}
}
}
KDataToolPluginView::KDataToolPluginView( KTextEditor::View *view )
:m_menu(0),m_notAvailable(0)
{
view->insertChildClient (this);
setInstance( KGenericFactory<KDataToolPlugin>::instance() );
m_menu = new KActionMenu(i18n("Data Tools"), actionCollection(), "popup_dataTool");
connect(m_menu->popupMenu(), SIGNAL(aboutToShow()), this, SLOT(aboutToShow()));
setXMLFile("ktexteditor_kdatatoolui.rc");
m_view = view;
}
KDataToolPluginView::~KDataToolPluginView()
{
m_view->removeChildClient (this);
delete m_menu;
}
void KDataToolPluginView::aboutToShow()
{
kdDebug()<<"KTextEditor::KDataToolPluginView::aboutToShow"<<endl;
QString word;
m_singleWord = false;
m_wordUnderCursor = QString::null;
// unplug old actions, if any:
KAction *ac;
for ( ac = m_actionList.first(); ac; ac = m_actionList.next() ) {
m_menu->remove(ac);
}
if (m_notAvailable) {
m_menu->remove(m_notAvailable);
delete m_notAvailable;
m_notAvailable=0;
}
if ( selectionInterface(m_view->document())->hasSelection() )
{
word = selectionInterface(m_view->document())->selection();
if ( word.find(' ') == -1 && word.find('\t') == -1 && word.find('\n') == -1 )
m_singleWord = true;
else
m_singleWord = false;
} else {
// No selection -> use word under cursor
KTextEditor::EditInterface *ei;
KTextEditor::ViewCursorInterface *ci;
KTextEditor::View *v = (KTextEditor::View*)m_view;
ei = KTextEditor::editInterface(v->document());
ci = KTextEditor::viewCursorInterface(v);
uint line, col;
ci->cursorPositionReal(&line, &col);
QString tmp_line = ei->textLine(line);
m_wordUnderCursor = "";
// find begin of word:
m_singleWord_start = 0;
for(int i = col; i >= 0; i--) {
QChar ch = tmp_line.at(i);
if( ! (ch.isLetter() || ch == '-' || ch == '\'') )
{
m_singleWord_start = i+1;
break;
}
m_wordUnderCursor = ch + m_wordUnderCursor;
}
// find end of word:
m_singleWord_end = tmp_line.length();
for(uint i = col+1; i < tmp_line.length(); i++) {
QChar ch = tmp_line.at(i);
if( ! (ch.isLetter() || ch == '-' || ch == '\'') )
{
m_singleWord_end = i;
break;
}
m_wordUnderCursor += ch;
}
if( ! m_wordUnderCursor.isEmpty() )
{
m_singleWord = true;
m_singleWord_line = line;
} else {
m_notAvailable = new KAction(i18n("(not available)"), QString::null, 0, this,
SLOT(slotNotAvailable()), actionCollection(),"dt_n_av");
m_menu->insert(m_notAvailable);
return;
}
}
KInstance *inst=instance();
QValueList<KDataToolInfo> tools;
tools += KDataToolInfo::query( "QString", "text/plain", inst );
if( m_singleWord )
tools += KDataToolInfo::query( "QString", "application/x-singleword", inst );
m_actionList = KDataToolAction::dataToolActionList( tools, this,
SLOT( slotToolActivated( const KDataToolInfo &, const QString & ) ) );
for ( ac = m_actionList.first(); ac; ac = m_actionList.next() ) {
m_menu->insert(ac);
}
if( m_actionList.isEmpty() ) {
m_notAvailable = new KAction(i18n("(not available)"), QString::null, 0, this,
SLOT(slotNotAvailable()), actionCollection(),"dt_n_av");
m_menu->insert(m_notAvailable);
}
}
void KDataToolPluginView::slotNotAvailable()
{
KMessageBox::sorry(0, i18n("Data tools are only available when text is selected, "
"or when the right mouse button is clicked over a word. If no data tools are offered "
"even when text is selected, you need to install them. Some data tools are part "
"of the KOffice package."));
}
void KDataToolPluginView::slotToolActivated( const KDataToolInfo &info, const QString &command )
{
KDataTool* tool = info.createTool( );
if ( !tool )
{
kdWarning() << "Could not create Tool !" << endl;
return;
}
QString text;
if ( selectionInterface(m_view->document())->hasSelection() )
text = selectionInterface(m_view->document())->selection();
else
text = m_wordUnderCursor;
QString mimetype = "text/plain";
QString datatype = "QString";
// If unsupported (and if we have a single word indeed), try application/x-singleword
if ( !info.mimeTypes().contains( mimetype ) && m_singleWord )
mimetype = "application/x-singleword";
kdDebug() << "Running tool with datatype=" << datatype << " mimetype=" << mimetype << endl;
QString origText = text;
if ( tool->run( command, &text, datatype, mimetype) )
{
kdDebug() << "Tool ran. Text is now " << text << endl;
if ( origText != text )
{
uint line, col;
viewCursorInterface(m_view)->cursorPositionReal(&line, &col);
if ( ! selectionInterface(m_view->document())->hasSelection() )
{
KTextEditor::SelectionInterface *si;
si = KTextEditor::selectionInterface(m_view->document());
si->setSelection(m_singleWord_line, m_singleWord_start, m_singleWord_line, m_singleWord_end);
}
// replace selection with 'text'
selectionInterface(m_view->document())->removeSelectedText();
viewCursorInterface(m_view)->cursorPositionReal(&line, &col);
editInterface(m_view->document())->insertText(line, col, text);
// fixme: place cursor at the end:
/* No idea yet (Joseph Wenninger)
for ( uint i = 0; i < text.length(); i++ ) {
viewCursorInterface(m_view)->cursorRight();
} */
}
}
delete tool;
}
}
KGenericFactory
kdDebug
kdbgstream kdDebug(int area=0)
KMessageBox::sorry
static void sorry(QWidget *parent, const QString &text, const QString &caption=QString::null, int options=Notify)
kdWarning
kdbgstream kdWarning(int area=0)
KInstance
KAction
KNotifyClient::instance
KInstance * instance()
endl
kndbgstream & endl(kndbgstream &s)

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