1 files changed, 315 insertions, 0 deletions

diff --git a/noncore/apps/tableviewer/ui/tvlistview.cpp b/noncore/apps/tableviewer/ui/tvlistview.cpp
new file mode 100644
index 0000000..82d67c6
--- a/dev/null
+++ b/noncore/apps/tableviewer/ui/tvlistview.cpp
@@ -0,0 +1,315 @@
+/**********************************************************************
+** Copyright (C) 2000 Trolltech AS.  All rights reserved.
+**
+** This file is part of Qtopia Environment.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/ 
+#include "tvlistview.h"
+#include "../db/common.h"
+#include <qtoolbutton.h>
+#include <qlistview.h>
+#include <qlayout.h>
+
+void TVListViewPrivate::setColumnWidth(int column, int width)
+{
+    if(width > 70) width = 70;
+    QListView::setColumnWidth(column, width);
+}
+
+void TVListViewPrivate::setSorting(int column, bool increasing)
+{
+    emit sortChanged(column);
+    QListView::setSorting(column, increasing);
+}
+
+TVListViewPrivate::TVListViewPrivate(QWidget *parent, const char* name,
+        WFlags fl) : QListView(parent, name, fl) {
+        ;
+}
+
+class TVListViewItem : public QListViewItem 
+{
+public:
+
+    TVListViewItem(QListView *parent, DataElem *d);
+    ~TVListViewItem();
+
+    QString text(int i) const
+    {
+        return data_reference->toQString(i);
+    }
+
+    /* Do nothing... all data for this item should be generated */
+    void setText(int i, const QString &) 
+    {
+        ;
+    }
+    QString key(int i, bool a) const 
+    {
+        return data_reference->toSortableQString(i);
+    }
+
+    void setDataElem(DataElem *d) 
+    {
+        data_reference = d;
+    }
+
+    DataElem *getDataElem() {
+        return data_reference;
+    }
+private: 
+    DataElem *data_reference;
+};
+
+TVListViewItem::TVListViewItem(QListView *parent, DataElem *d) 
+        : QListViewItem(parent)
+{
+    data_reference =  d;
+}
+
+TVListViewItem::~TVListViewItem()
+{
+    data_reference = 0;
+}
+
+TVListView::TVListView(TableState *t, QWidget* parent = 0, 
+        const char *name = 0, WFlags fl =0) : QWidget(parent, name, fl)
+{
+    if (!name) 
+            setName("TVListView");
+
+    // the next two lines need to be rationalized.
+    resize(318,457);
+    setSizePolicy(QSizePolicy((QSizePolicy::SizeType)7, 
+                  (QSizePolicy::SizeType)7, sizePolicy().hasHeightForWidth()));
+    setCaption(tr("List View"));
+
+    QVBoxLayout *layout = new QVBoxLayout(this);
+    layout->setSpacing(0);
+    layout->setMargin(0);
+
+    listViewDisplay = new TVListViewPrivate(this, "listViewDisplay");
+    layout->addWidget(listViewDisplay);
+
+    connect(listViewDisplay, SIGNAL(currentChanged(QListViewItem *)), this,
+                SLOT(setCurrent(QListViewItem *)));
+    connect(listViewDisplay, SIGNAL(sortChanged(int)), this, 
+                SLOT(setSorting(int)));
+
+    listViewDisplay->setShowSortIndicator(true);
+
+    it = new QListViewItemIterator(listViewDisplay);
+    ts = t;
+}
+
+TVListView::~TVListView()
+{
+}
+
+void TVListView::addItem(DataElem *d) 
+{
+    TVListViewItem *i = new TVListViewItem(listViewDisplay, d);
+
+    delete it;
+    it = new QListViewItemIterator(i);
+}
+
+/* remove current (it) item */
+void TVListView::removeItem() 
+{
+    QListViewItemIterator other(*it);
+
+    QListViewItemIterator tmp = *it;
+    (*it)++;
+    if (!it->current()) {
+        *it = tmp;
+                (*it)--;
+                if (!it->current()) {
+                   delete it;
+                   it = 0;
+           }
+    }
+
+   delete other.current();
+}
+
+void TVListView::clearItems() 
+{
+    /* This is ok since the destructor for TVListItem does not know about
+    the data_reference pointer.. and hence will leave it alone */
+    listViewDisplay->clear();
+    delete it;
+    it = new QListViewItemIterator(listViewDisplay);
+}
+
+void TVListView::first()
+{
+    delete it;
+    it = new QListViewItemIterator(listViewDisplay);
+}
+
+void TVListView::last()
+{
+    qWarning("TVListView::last not yet implemented");
+}
+
+void TVListView::next()
+{
+    QListViewItemIterator tmp = *it;
+    (*it)++;
+    if (!it->current()) {
+        *it = tmp;
+    }
+}
+
+void TVListView::previous()
+{
+    QListViewItemIterator tmp = *it; 
+    (*it)--;
+    if (!it->current()) {
+        *it = tmp;
+    }
+}
+
+DataElem *TVListView::getCurrentData() {
+    if (it->current()) {
+        return ((TVListViewItem *)it->current())->getDataElem();
+    }
+    return NULL;
+}
+
+/*! Now to implement the closest match function */
+void TVListView::findItem(int keyId, TVVariant value) 
+{
+    QListViewItem *i;
+    TVListViewItem *best_so_far = NULL;
+    /* start at the beginning... go through till find the closest elem */
+    i = listViewDisplay->firstChild();
+    while (i) {
+        /* search stuff */
+        if(best_so_far) {
+            if (DataElem::closer(
+                    ((TVListViewItem *)i)->getDataElem(), 
+                    best_so_far->getDataElem(), value, keyId)) 
+                best_so_far = (TVListViewItem *)i;
+        } else {
+            if (DataElem::closer(
+                    ((TVListViewItem *)i)->getDataElem(), 
+                    NULL, value, keyId)) 
+                best_so_far = (TVListViewItem *)i;
+        }
+            
+        i = i->itemBelow();
+    }
+    if (best_so_far) {
+        /* set best_so_far to current element */
+        delete it;
+        it = new QListViewItemIterator(best_so_far);
+    }
+}
+
+void TVListView::rebuildKeys()
+{
+    int i;
+    if(!ts) return;
+    if(!ts->kRep) return;
+
+    i = listViewDisplay->columns();
+
+    while(i > 0) 
+        listViewDisplay->removeColumn(--i);
+
+    KeyListIterator kit(*ts->kRep);
+    i = 0;
+    while(kit.current()) {
+        if(!kit.current()->delFlag()) {
+            listViewDisplay->addColumn(kit.current()->name());
+            keyIds.insert(i, kit.currentKey());
+            ++i;
+        }
+        ++kit;
+    }
+}
+
+
+void TVListView::setSorting(int column) 
+{
+    /* Without table state can't do anything */
+    if (ts == 0) 
+        return;
+    if (keyIds[column] != ts->current_column) {
+        ts->current_column = keyIds[column];
+    }
+}
+
+void TVListView::rebuildData() {
+    int i;
+    QMap<int, int>::Iterator kit;
+    /* Need to set sort order */
+    if(!ts)
+        return;
+
+    /* revers lookup the column */
+    i = -1;
+    for(kit = keyIds.begin(); kit != keyIds.end(); ++kit) {
+        if (kit.data() == ts->current_column) {
+            i = kit.key();
+            break;
+        }
+    }
+    if (i == -1)
+        return;
+
+    listViewDisplay->setSorting(i);
+    listViewDisplay->sort();
+
+    /* reset current element */
+    listViewDisplay->setCurrentItem(it->current());
+    listViewDisplay->setSelected(it->current(), true);
+    listViewDisplay->ensureItemVisible(it->current());
+}
+
+void TVListView::reset() 
+{
+    int i;
+    listViewDisplay->clear();
+
+    i = listViewDisplay->columns();
+    while (i > 0)
+        listViewDisplay->removeColumn(--i);
+
+    keyIds.clear();
+}
+
+void TVListView::setCurrent(QListViewItem *i) 
+{
+    /* cast */
+    TVListViewItem *t = (TVListViewItem *)i;
+
+    if(!t) {
+        /* set current to null */
+        ts->current_elem = 0;
+        return;
+    }
+
+    ts->current_elem = t->getDataElem();
+    /* now also set up the iterator */
+
+    delete it;
+    it = new QListViewItemIterator(i);
+
+    //emit browseView();
+}