Add lib/libkdchart

2012-02-11 14:34:29 +01:00
parent 67e00fcaa1
commit 9e1686bd6e
278 changed files with 221 additions and 13 deletions
--- a/lib/libkdchart/src/KDChartDatasetSelector.cpp
+++ b/lib/libkdchart/src/KDChartDatasetSelector.cpp
@@ -0,0 +1,186 @@
+/****************************************************************************
+** Copyright (C) 2001-2011 Klaralvdalens Datakonsult AB.  All rights reserved.
+**
+** This file is part of the KD Chart library.
+**
+** Licensees holding valid commercial KD Chart licenses may use this file in
+** accordance with the KD Chart Commercial License Agreement provided with
+** the Software.
+**
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 and version 3 as published by the
+** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** Contact info@kdab.com if any conditions of this licensing are not
+** clear to you.
+**
+**********************************************************************/
+
+#include <QtDebug>
+
+#include "KDChartDatasetSelector.h"
+
+#include "ui_KDChartDatasetSelector.h"
+
+#include <KDABLibFakes>
+
+using namespace KDChart;
+
+DatasetSelectorWidget::DatasetSelectorWidget ( QWidget* parent )
+    : QFrame ( parent )
+    , mUi ( new Ui::DatasetSelector () )
+    , mSourceRowCount ( 0 )
+    , mSourceColumnCount ( 0 )
+{
+    qWarning("For DatasetSelectorWidget to become useful, it has to be connected to the proxy model it configures!");
+
+    mUi->setupUi ( this );
+    setMinimumSize ( minimumSizeHint() );
+}
+
+void DatasetSelectorWidget::on_sbStartColumn_valueChanged ( int )
+{
+    calculateMapping();
+}
+
+void DatasetSelectorWidget::on_sbStartRow_valueChanged( int )
+{
+    calculateMapping();
+}
+
+void DatasetSelectorWidget::on_sbColumnCount_valueChanged ( int )
+{
+    calculateMapping();
+}
+
+void DatasetSelectorWidget::on_sbRowCount_valueChanged ( int )
+{
+    calculateMapping();
+}
+
+void DatasetSelectorWidget::on_cbReverseRows_stateChanged ( int )
+{
+    calculateMapping();
+}
+
+void DatasetSelectorWidget::on_cbReverseColumns_stateChanged ( int )
+{
+    calculateMapping();
+}
+
+void DatasetSelectorWidget::on_groupBox_toggled( bool state )
+{
+    if ( state )
+    {
+        calculateMapping();
+    } else {
+        emit mappingDisabled();
+    }
+}
+
+
+void DatasetSelectorWidget::setSourceRowCount ( const int& rowCount )
+{
+    if ( rowCount != mSourceRowCount )
+    {
+        mSourceRowCount = rowCount;
+        resetDisplayValues();
+    }
+}
+
+void DatasetSelectorWidget::setSourceColumnCount ( const int& columnCount )
+{
+    if ( columnCount != mSourceColumnCount )
+    {
+        mSourceColumnCount = columnCount;
+        resetDisplayValues();
+    }
+}
+
+void DatasetSelectorWidget::resetDisplayValues()
+{
+    mUi->sbStartRow->setValue( 0 );
+    mUi->sbStartRow->setMinimum ( 0 );
+    mUi->sbStartRow->setMaximum ( qMax ( mSourceRowCount - 1, 0 ) );
+    mUi->sbStartColumn->setValue( 0 );
+    mUi->sbStartColumn->setMinimum ( 0 );
+    mUi->sbStartColumn->setMaximum ( qMax ( mSourceColumnCount - 1, 0 ) );
+    mUi->sbRowCount->setMinimum ( 1 );
+    mUi->sbRowCount->setMaximum ( mSourceRowCount );
+    mUi->sbRowCount->setValue( mSourceRowCount );
+    mUi->sbColumnCount->setMinimum ( 1 );
+    mUi->sbColumnCount->setMaximum ( mSourceColumnCount );
+    mUi->sbColumnCount->setValue( mSourceColumnCount );
+    mUi->groupBox->setChecked ( false );
+    emit mappingDisabled();
+}
+
+void DatasetSelectorWidget::calculateMapping()
+{
+    if ( mSourceColumnCount < 2 && mSourceRowCount < 2 )
+    {
+        mUi->groupBox->setEnabled ( false );
+        emit mappingDisabled();
+    } else {
+        mUi->groupBox->setEnabled ( true );
+
+        if ( ! mUi->groupBox->isChecked() )
+        {
+            emit mappingDisabled();
+            return;
+        }
+
+        // retrieve values:
+        int startRow = mUi->sbStartRow->value();
+        int startColumn = mUi->sbStartColumn->value();
+        int rowCount = mUi->sbRowCount->value();
+        int columnCount = mUi->sbColumnCount->value();
+        bool reverseColumns = mUi->cbReverseColumns->checkState() == Qt::Checked;
+        bool reverseRows = mUi->cbReverseRows->checkState() == Qt::Checked;
+
+        // verify values:
+        startRow = qMin ( startRow,  mSourceRowCount - 2 );
+        startRow = qMax ( 0, startRow );
+        startColumn = qMin ( startColumn,  mSourceColumnCount - 2 );
+        startColumn = qMax ( 0,  startColumn );
+
+        rowCount = qMin ( rowCount, mSourceRowCount - startRow );
+        rowCount = qMax ( 1, rowCount );
+        columnCount = qMin ( columnCount, mSourceColumnCount - startColumn );
+        columnCount = qMax ( 1, columnCount );
+
+        DatasetDescriptionVector rowConfig ( rowCount );
+        Q_ASSERT ( rowConfig.size() > 0 );
+        DatasetDescriptionVector columnConfig ( columnCount );
+        Q_ASSERT ( columnConfig.size() > 0 );
+
+        // fill the dataset description vectors:
+        for ( int row = 0; row < rowCount; ++row )
+        {
+            if ( reverseRows )
+            {
+                rowConfig[row] = startRow + rowCount - row - 1;
+            } else {
+                rowConfig[row] = startRow + row;
+            }
+        }
+
+        for ( int column = 0; column < columnCount; ++ column )
+        {
+            if ( reverseColumns )
+            {
+                columnConfig[column] = startColumn + columnCount - column -1;
+            } else {
+                columnConfig[column] = startColumn + column;
+            }
+        }
+
+        // and tell the world:
+        emit configureDatasetProxyModel ( rowConfig, columnConfig );
+    }
+}
+