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Diffstat (limited to 'libkdchart/KDChartParams_frame.cpp')
| -rw-r--r-- | libkdchart/KDChartParams_frame.cpp | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/libkdchart/KDChartParams_frame.cpp b/libkdchart/KDChartParams_frame.cpp new file mode 100644 index 0000000..c873a0a --- /dev/null +++ b/libkdchart/KDChartParams_frame.cpp @@ -0,0 +1,288 @@ +/* -*- Mode: C++ -*- + KDChart - a multi-platform charting engine + */ + +/**************************************************************************** + ** Copyright (C) 2001-2003 Klarälvdalens Datakonsult AB. All rights reserved. + ** + ** This file is part of the KDChart library. + ** + ** 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. + ** + ** Licensees holding valid commercial KDChart licenses may use this file in + ** accordance with the KDChart Commercial License Agreement provided with + ** the Software. + ** + ** 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.klaralvdalens-datakonsult.se/?page=products for + ** information about KDChart Commercial License Agreements. + ** + ** Contact info@klaralvdalens-datakonsult.se if any conditions of this + ** licensing are not clear to you. + ** + **********************************************************************/ + +#include "KDChartParams.h" +#include <KDXMLTools.h> + + +/** + \class KDChartParams::KDChartFrameSettings KDChartParams.h + + Stores the frame settings for one of the chart areas: + \li frame (consisting of edges, corners, background, shadow) + \li distance of frame to inner area + \li distance of frame to surrounding parts of the chart + + \sa setSimpleFrame, setFrame, frameSettings + */ + + +/** + Constructor. Setting default values. + */ +KDChartParams::KDChartFrameSettings::KDChartFrameSettings() +{ + _dataRow = 0; + _dataCol = 0; + _data3rd = 0; + _frame = 0; + resetFrame(); + _outerGapX = 0; + _outerGapY = 0; + _innerGapX = 0; + _innerGapY = 0; + _addFrameWidthToLayout = true; + _addFrameHeightToLayout = true; +} + + +/** + Constructor. + + \param outerGap Distance between the frame and the surrounding parts of the chart. + \param innerGap Distance between the frame and inner area. + \param addFrameWidthToLayout If true, shrink inner area so the area AND its frame will occupy + the same space of the chart as the area would occupy if no frame were drawn. + If false, the frame is drawn around the area without taking care not to override other + content of the chart. + \param frame The frame settings to be used for this area. The values of this parameter + will be copied into a KDFrame object stored internally in this KDChartFrameSettings so + it is save to use the same KDFrame object for specifying the settings of more than one area. + */ +KDChartParams::KDChartFrameSettings::KDChartFrameSettings( + uint dataRow, + uint dataCol, + uint data3rd, + const KDFrame& frame, + int outerGapX, + int outerGapY, + int innerGapX, + int innerGapY, + bool addFrameWidthToLayout, + bool addFrameHeightToLayout ) + : _dataRow( dataRow ), + _dataCol( dataCol ), + _data3rd( data3rd ), + _frame( 0 ), + _outerGapX( outerGapX ), + _outerGapY( outerGapY ), + _innerGapX( innerGapX ), + _innerGapY( innerGapY ), + _addFrameWidthToLayout( addFrameWidthToLayout ), +_addFrameHeightToLayout( addFrameHeightToLayout ) +{ + resetFrame(); + KDFrame::deepCopy(*_frame, frame); +} + + + +/** + Destructor. Only defined to have it virtual. + */ +KDChartParams::KDChartFrameSettings::~KDChartFrameSettings() +{ + delete _frame; +} + +/** + Reads data from a DOM element node that represents a frame + settings object and fills a KDChartFrameSettings object + with the data. + + \param element the DOM element to read from + \param settings the frame settings object to read the data into + */ +bool KDChartParams::KDChartFrameSettings::readFrameSettingsNode( const QDomElement& element, + KDChartFrameSettings& settings, + uint& areaId ) +{ + bool ok = true; + KDFrame tempFrame; + int tempId = KDChartEnums::AreaUNKNOWN; + int tempDataRow = 0; // these 3 need initialization since they were not + int tempDataCol = 0;// existent in previous releases of KDChart + int tempData3rd = 0; + + int tempOuterGapX, tempOuterGapY, tempInnerGapX, tempInnerGapY; + bool tempAddFrameWidthToLayout, tempAddFrameHeightToLayout; + QDomNode node = element.firstChild(); + while( !node.isNull() ) { + QDomElement element = node.toElement(); + if( !element.isNull() ) { // was really an element + QString tagName = element.tagName(); + if( tagName == "Frame" ) { + ok = ok & KDFrame::readFrameNode( element, tempFrame ); + } else if( tagName == "AreaId" ) { + ok = ok & KDXML::readIntNode( element, tempId ); + } else if( tagName == "DataRow" ) { + ok = ok & KDXML::readIntNode( element, tempDataRow ); + } else if( tagName == "DataCol" ) { + ok = ok & KDXML::readIntNode( element, tempDataCol ); + } else if( tagName == "Data3rd" ) { + ok = ok & KDXML::readIntNode( element, tempData3rd ); + } else if( tagName == "OuterGapX" ) { + ok = ok & KDXML::readIntNode( element, tempOuterGapX ); + } else if( tagName == "OuterGapY" ) { + ok = ok & KDXML::readIntNode( element, tempOuterGapY ); + } else if( tagName == "InnerGapX" ) { + ok = ok & KDXML::readIntNode( element, tempInnerGapX ); + } else if( tagName == "InnerGapY" ) { + ok = ok & KDXML::readIntNode( element, tempInnerGapY ); + } else if( tagName == "AddFrameWidthToLayout" ) { + ok = ok & KDXML::readBoolNode( element, tempAddFrameWidthToLayout ); + } else if( tagName == "AddFrameHeightToLayout" ) { + ok = ok & KDXML::readBoolNode( element, tempAddFrameHeightToLayout ); + } else { + qDebug( "Unknown tag in frame settings" ); + } + } + node = node.nextSibling(); + } + + if( ok ) { + settings.resetFrame(); + KDFrame::deepCopy(*settings._frame, tempFrame); + + settings._dataRow = tempDataRow; + settings._dataCol = tempDataCol; + settings._data3rd = tempData3rd; + settings._outerGapX = tempOuterGapX; + settings._outerGapY = tempOuterGapY; + settings._innerGapX = tempInnerGapX; + settings._innerGapY = tempInnerGapY; + settings._addFrameWidthToLayout = tempAddFrameWidthToLayout; + settings._addFrameHeightToLayout = tempAddFrameHeightToLayout; + areaId = tempId; + } + + return ok; +} + + + +/** + \fn const KDFrame& KDChartParams::KDChartFrameSettings::frame() const + + Return the KDFrame object used for drawing this areas frame. + */ + + +/** + \fn int KDChartParams::KDChartFrameSettings::innerGapX() const + + Return the X-distance between the frame and the inner area. + */ + +/** + \fn int KDChartParams::KDChartFrameSettings::innerGapY() const + + Return the Y-distance between the frame and the inner area. + */ + +/** + \fn int KDChartParams::KDChartFrameSettings::outerGapX() const + + Return the X-distance between the frame and the surrounding parts of the chart. + */ + +/** + \fn int KDChartParams::KDChartFrameSettings::outerGapY() const + + Return the Y-distance between the frame and the surrounding parts of the chart. + */ + +/** + \fn bool KDChartParams::KDChartFrameSettings::addFrameWidthToLayout() const + + Return whether the inner area will shrink the area AND its frame will occupy + the same space of the chart as the area would occupy if no frame were drawn. + If false, the frame is drawn around the area without taking care not to override other + content of the chart. + + \sa addFrameHeightToLayout + */ + + +/** + \fn bool KDChartParams::KDChartFrameSettings::addFrameHeightToLayout() const + + Return whether the inner area will shrink the area AND its frame will occupy + the same space of the chart as the area would occupy if no frame were drawn. + If false, the frame is drawn around the area without taking care not to override other + content of the chart. + + \sa addFrameWidthToLayout + */ + + + +/** + Creates a DOM element node that represents a frame settings + object for use in a DOM document. + + \param document the DOM document to which the node will belong + \param parent the parent node to which the new node will be appended + \param elementName the name of the new node + \param settings the frame settings to be represented + */ +void KDChartParams::KDChartFrameSettings::createFrameSettingsNode( QDomDocument& document, + QDomNode& parent, + const QString& elementName, + const KDChartParams::KDChartFrameSettings* settings, + uint areaId ) +{ + QDomElement frameSettingsElement = document.createElement( elementName ); + parent.appendChild( frameSettingsElement ); + if( settings->_frame ) + KDFrame::createFrameNode( document, frameSettingsElement, "Frame", + *settings->_frame ); + KDXML::createIntNode( document, frameSettingsElement, "AreaId", + areaId ); + KDXML::createIntNode( document, frameSettingsElement, "DataRow", + settings->_dataRow ); + KDXML::createIntNode( document, frameSettingsElement, "DataCol", + settings->_dataCol ); + KDXML::createIntNode( document, frameSettingsElement, "Data3rd", + settings->_data3rd ); + KDXML::createIntNode( document, frameSettingsElement, "OuterGapX", + settings->_outerGapX ); + KDXML::createIntNode( document, frameSettingsElement, "OuterGapY", + settings->_outerGapY ); + KDXML::createIntNode( document, frameSettingsElement, "InnerGapX", + settings->_innerGapX ); + KDXML::createIntNode( document, frameSettingsElement, "InnerGapY", + settings->_innerGapY ); + KDXML::createBoolNode( document, frameSettingsElement, + "AddFrameWidthToLayout", + settings->_addFrameWidthToLayout ); + KDXML::createBoolNode( document, frameSettingsElement, + "AddFrameHeightToLayout", + settings->_addFrameHeightToLayout ); +} |