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tdewebdev/kommander/widgets/treewidget.cpp

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/***************************************************************************
treewidget.cpp - Tree/detailed list widget
-------------------
copyright : (C) 2002-2003 Marc Britton <consume@optusnet.com.au>
(C) 2004 Michal Rudolf <mrudolf@tdewebdev.org>
(C) 2008 Andras Mantia <amantia@tdewebdev.org>
(C) 2008 Eric Laffoon <eric@tdewebdev.org>
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
/* KDE INCLUDES */
#include <klocale.h>
#include <kglobal.h>
#include <kiconloader.h>
#include <klistview.h>
/* QT INCLUDES */
#include <tqstring.h>
#include <tqwidget.h>
#include <tqstringlist.h>
#include <tqevent.h>
#include <tqlistview.h>
/* OTHER INCLUDES */
#include <specials.h>
#include "treewidget.h"
#include "kommanderplugin.h"
#include "specials.h"
#define TW_FUNCTION 275
#define addColumnTree TW_FUNCTION+1
#define setAltBackground TW_FUNCTION+2
#define setColAlignment TW_FUNCTION+3
//#define colCount TW_FUNCTION+3
#define colCaption TW_FUNCTION+4
#define setColWidth TW_FUNCTION+5
#define setSortCol TW_FUNCTION+6
#define TW_LAST_FUNCTION setSortCol
enum Functions {
FirstFunction = 189,
SelectedIndexes,
TW_childCount,
TW_setOpen,
TW_isOpen,
LastFunction
};
TreeWidget::TreeWidget(TQWidget *a_parent, const char *a_name)
: KListView(a_parent, a_name), KommanderWidget(TQT_TQOBJECT(this))
{
TQStringList states;
states << "default";
setStates(states);
setDisplayStates(states);
setPathSeparator("/");
KommanderPlugin::setDefaultGroup(Group::DCOP);
KommanderPlugin::registerFunction(SelectedIndexes, "selectedIndexes(TQString widget)", "", 1);
KommanderPlugin::registerFunction(addColumnTree, "addColumn(TQString widget, const TQString & label, int width = -1 )", i18n("Add column at end with column header"), 2, 3);
KommanderPlugin::registerFunction(setSortCol, "setSortColumn(TQString widget, int column, bool ascending=true)", i18n("Set sorting for a column"), 2, 3);
//KommanderPlugin::registerFunction(setAltBackground, "setAltBackground(TQString widget, const TQColor & c)", i18n("Alternate colors in list view"), 2);
// KommanderPlugin::registerFunction(colCount, "colCount(TQString widget)", i18n("Get the column count"), 1);
KommanderPlugin::registerFunction(colCaption, "columnCaption(TQString widget, int column)", i18n("Get the column caption for column index"), 2);
KommanderPlugin::registerFunction(setColWidth, "setColWidth(TQString widget, int column, int width)", i18n("Set the pixel width for column index - use 0 to hide"), 3);
KommanderPlugin::registerFunction(setColAlignment, "setColumnAlignment(TQString widget, int column, TQString Alignment)", i18n("Set to <i>left</i>, <i>right</i> or <i>center</i>, case insensitive "), 3);
KommanderPlugin::registerFunction(TW_childCount, "childCount(TQString widget)", i18n("Get the count of top level items."), 1);
KommanderPlugin::registerFunction(TW_setOpen, "setOpen(TQString widget, int Index, bool Open)", i18n("Expand or collapse a node."), 3);
KommanderPlugin::registerFunction(TW_isOpen, "isOpen(TQString widget, int Index)", i18n("See if node is open or closed."), 2);
}
TreeWidget::~TreeWidget()
{
}
TQString TreeWidget::pathSeparator() const
{
return m_pathSeparator;
}
void TreeWidget::setPathSeparator(const TQString& a_pathSep)
{
m_pathSeparator = a_pathSep;
}
void TreeWidget::addItemFromString(const TQString& s)
{
TQStringList elements = TQStringList::split(m_pathSeparator, s, true);
if (elements.count() > 1)
setRootIsDecorated(true);
TQListViewItem* parent = 0;
if (m_lastPath.size() < elements.count())
m_lastPath.resize(elements.count());
uint i = 0;
for (TQStringList::ConstIterator it = elements.begin(); it != elements.end(); ++it)
{
if (m_lastPath[i] && m_lastPath[i]->text(0) == elements[i])
{
parent = m_lastPath[i];
i++;
continue;
}
else
{
TQListViewItem* item = (i>0) ? parent->firstChild() : firstChild();
while (item)
{
if (item->text(0) == *it)
break;
item = item->nextSibling();
}
if (item)
parent = item;
else
parent = itemFromString(parent, *it);
m_lastPath.insert(i, parent);
i++;
}
}
}
TQListViewItem* TreeWidget::itemFromString(TQListViewItem* parent, const TQString& s)
{
TQStringList elements;
if (s.contains("\t"))
elements = TQStringList::split("\t", s, true);
else
elements = TQStringList::split("\\t", s, true);
int cols = elements.count();
if (cols >= columns())
cols = columns();
TQListViewItem* item;
if (parent)
item = new TQListViewItem(parent);
else
item = new TQListViewItem(this);
int i = 0;
for (TQStringList::ConstIterator it = elements.constBegin(); it != elements.constEnd(); ++it)
item->setText(i++, *it);
return item;
}
int TreeWidget::itemToIndex(TQListViewItem* item)
{
// if (!item->isSelected())
// return -1;
TQListViewItemIterator it(this);
int index = 0;
while (it.current()) {
if (it.current() == item)
return index;
++it;
++index;
}
return -1;
}
int TreeWidget::itemToIndexSafe(TQListViewItem* item)
{
TQListViewItemIterator it(this);
int index = 0;
while (it.current()) {
if (it.current() == item)
return index;
++it;
++index;
}
return -1;
}
TQListViewItem* TreeWidget::indexToItem(int item)
{
TQListViewItemIterator it(this);
int index = 0;
while (it.current()) {
if (index == item)
return it.current();
++it;
++index;
}
return 0;
}
TQString TreeWidget::itemText(TQListViewItem* item) const
{
if (!item)
return TQString();
TQStringList items;
for (int i=0; i<columns(); i++)
items.append(item->text(i));
return items.join("\t");
}
TQString TreeWidget::itemsText()
{
TQStringList items;
TQListViewItemIterator it(this);
while (it.current())
{
TQString path = itemPath(it.current());
if (path.isEmpty())
items.append(itemText(it.current()));
else
items.append(TQString("%1%2%3").tqarg(path).tqarg(m_pathSeparator)
.tqarg(itemText(it.current())));
++it;
}
return items.join("\n");
}
TQString TreeWidget::itemPath(TQListViewItem* item) const
{
if (!item)
return TQString();
item = item->parent();
if (!item)
return TQString();
TQStringList path;
while (item)
{
path.prepend(item->text(0));
item = item->parent();
}
return path.join(m_pathSeparator);
}
TQString TreeWidget::currentState() const
{
return TQString("default");
}
bool TreeWidget::isKommanderWidget() const
{
return true;
}
void TreeWidget::setCurrentItem(TQListViewItem* item)
{
KListView::setCurrentItem(item);
setSelected(item, true);
ensureItemVisible(item);
}
TQStringList TreeWidget::associatedText() const
{
return KommanderWidget::associatedText();
}
void TreeWidget::setAssociatedText(const TQStringList& a_at)
{
KommanderWidget::setAssociatedText(a_at);
}
void TreeWidget::setPopulationText(const TQString& a_text)
{
KommanderWidget::setPopulationText( a_text );
}
TQString TreeWidget::populationText() const
{
return KommanderWidget::populationText();
}
void TreeWidget::populate()
{
setWidgetText(KommanderWidget::evalAssociatedText( populationText()));
}
void TreeWidget::setWidgetText(const TQString &a_text)
{
handleDCOP(DCOP::setText, a_text);
emit widgetTextChanged(a_text);
}
void TreeWidget::showEvent(TQShowEvent* e)
{
TQListView::showEvent( e );
emit widgetOpened();
}
void TreeWidget::contextMenuEvent( TQContextMenuEvent * e )
{
e->accept();
TQPoint p = e->globalPos();
emit contextMenuRequested(p.x(), p.y());
}
void TreeWidget::setColAlign(int column, const TQString& align)
{
if (align.lower() == "left")
setColumnAlignment (column, TQt::AlignLeft);
else if (align.lower() == "right")
setColumnAlignment (column, TQt::AlignRight);
else if (align.lower() == "center")
setColumnAlignment (column, TQt::AlignCenter);
}
bool TreeWidget::isFunctionSupported(int f)
{
return f == DCOP::insertItem || f == DCOP::text || f == DCOP::setText || f == DCOP::insertItems ||
f == DCOP::selection || f == DCOP::setSelection || f == DCOP::clear || f == DCOP::removeItem ||
f == DCOP::currentItem || f == DCOP::setCurrentItem || f == DCOP::findItem || f == DCOP::item ||
f == DCOP::itemPath || f == DCOP::itemDepth || f == DCOP::setPixmap || f == DCOP::setColumnCaption || f == DCOP::removeColumn || f == DCOP::columnCount || f == DCOP::tqgeometry || f == DCOP::hasFocus || f == DCOP::getBackgroundColor || f == DCOP::setBackgroundColor || (f > FirstFunction && f < LastFunction) || (f >= TW_FUNCTION && f <= TW_LAST_FUNCTION);
}
TQString TreeWidget::handleDCOP(int function, const TQStringList& args)
{
switch (function) {
case DCOP::insertItem:
addItemFromString(args[0]);
break;
case DCOP::text:
return itemsText();
case DCOP::setText:
clear(); /* break omitted: setText is equivalent to clear and insertItems */
m_lastPath.clear();
case DCOP::insertItems:
{
TQStringList items(TQStringList::split("\n", args[0], true));
for (TQStringList::ConstIterator it = items.constBegin(); it != items.constEnd(); ++it)
addItemFromString(*it);
break;
}
case TW_setOpen:
setOpen(indexToItem(args[0].toInt()), args[1].toInt());
break;
case TW_isOpen:
return TQString::number(isOpen(indexToItem(args[0].toInt())));
break;
case SelectedIndexes:
{
TQString selection = "";
TQListViewItemIterator it(this);
while (it.current())
{
if (it.current()->isSelected())
{
selection.append(TQString("%1\n").tqarg(itemToIndexSafe(it.current())));
}
++it;
}
if (!selection.isEmpty())
selection = selection.left(selection.length() - 1);
return selection;
break;
}
case DCOP::selection:
{
TQString selection = "";
TQListViewItemIterator it(this);
while (it.current())
{
if (it.current()->isSelected())
selection.append(itemText(it.current()) + "\n");
++it;
}
if (!selection.isEmpty())
selection = selection.left(selection.length() - 1);
return selection;
break;
}
case DCOP::setSelection:
if (selectionModeExt() == Single || selectionModeExt() == NoSelection)
setCurrentItem(findItem(args[0], 0));
else
{
clearSelection();
TQStringList items(TQStringList::split("\n", args[0]));
for (TQStringList::ConstIterator it = items.begin(); it != items.end(); ++it)
{
TQListViewItem* item = findItem(*it, 0);
if (item)
{
item->setSelected(true);
ensureItemVisible(item);
}
}
}
break;
case DCOP::clear:
clear();
m_lastPath.clear();
break;
case DCOP::removeItem:
{
if (args[0].toInt() >= 0 )
{
delete indexToItem(args[0].toInt());
m_lastPath.clear();
}
break;
}
case DCOP::currentItem:
return TQString::number(itemToIndexSafe(currentItem()));
break;
case DCOP::setCurrentItem:
setCurrentItem(indexToItem(args[0].toInt()));
break;
case DCOP::findItem:
if (!args[1])
return TQString::number(itemToIndexSafe(findItem(args[0], 0)));
else
{
if (args[2].toUInt() && args[3].toUInt())
return TQString::number(itemToIndexSafe(findItem(args[0], args[1].toInt())));
else if (args[2].toUInt())
return TQString::number(itemToIndexSafe(findItem(args[0], args[1].toInt(), TQt::CaseSensitive | TQt::Contains)));
else if (args[3].toUInt())
return TQString::number(itemToIndexSafe(findItem(args[0], args[1].toInt(), TQt::ExactMatch)));
else
return TQString::number(itemToIndexSafe(findItem(args[0], args[1].toInt(), TQt::Contains)));
}
break;
case DCOP::item:
return itemText(indexToItem(args[0].toInt()));
break;
case DCOP::itemPath:
return itemPath(indexToItem(args[0].toInt()));
break;
case DCOP::itemDepth:
{
TQListViewItem* item = indexToItem(args[0].toInt());
return (item) ? TQString::number(item->depth()) : TQString::number(-1);
}
case DCOP::setPixmap:
{
TQPixmap pixmap = KGlobal::iconLoader()->loadIcon(args[0], KIcon::Small);
if (args[1].toInt() == -1)
for (TQListViewItemIterator it(this); it.current(); ++it)
it.current()->setPixmap(0, pixmap);
else
{
TQListViewItem* item = indexToItem(args[1].toInt());
if (item)
item->setPixmap(0, pixmap);
}
break;
}
case DCOP::setColumnCaption:
if (columns() >= args[0].toInt())
setColumnText(args[0].toInt(), args[1]);
break;
case DCOP::getBackgroundColor:
return this->paletteBackgroundColor().name();
break;
case DCOP::setBackgroundColor:
{
TQColor color;
color.setNamedColor(args[0]);
this->setPaletteBackgroundColor(color);
break;
}
case addColumnTree:
return TQString::number(KListView::addColumn(args[0], args[1].toInt()));
break;
case setSortCol:
KListView::setSorting(args[0].toInt(), args[1].toInt());
break;
case DCOP::columnCount:
return TQString::number(TQListView::columns() );
break;
case colCaption:
return TQListView::columnText(args[0].toInt()) ;
break;
case setColWidth:
TQListView::setColumnWidth(args[0].toInt(), args[1].toInt());
break;
case setColAlignment:
setColAlign(args[0].toInt(), args[1]);
break;
case setAltBackground:
KListView::setAlternateBackground(TQColor(args[0]));
break;
case DCOP::removeColumn:
{
if (!args[1].toInt())
removeColumn(args[0].toInt());
else
{
int column = args[0].toInt();
int lines = args[1].toInt();
for (int i = 0; i < lines; i++)
removeColumn(column);
}
break;
}
case TW_childCount:
return TQString::number(childCount());
break;
case DCOP::tqgeometry:
{
TQString geo = TQString::number(this->x())+" "+TQString::number(this->y())+" "+TQString::number(this->width())+" "+TQString::number(this->height());
return geo;
break;
}
case DCOP::hasFocus:
return TQString::number(this->hasFocus());
break;
default:
return KommanderWidget::handleDCOP(function, args);
}
return TQString();
}
#include "treewidget.moc"
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