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