nux-1.16.0
SplineCurvePropertyItem.cpp
00001 /*
00002  * Copyright 2010 Inalogic® Inc.
00003  *
00004  * This program is free software: you can redistribute it and/or modify it
00005  * under the terms of the GNU Lesser General Public License, as
00006  * published by the  Free Software Foundation; either version 2.1 or 3.0
00007  * of the License.
00008  *
00009  * This program is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranties of
00011  * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
00012  * PURPOSE.  See the applicable version of the GNU Lesser General Public
00013  * License for more details.
00014  *
00015  * You should have received a copy of both the GNU Lesser General Public
00016  * License along with this program. If not, see <http://www.gnu.org/licenses/>
00017  *
00018  * Authored by: Jay Taoko <jaytaoko@inalogic.com>
00019  *
00020  */
00021 
00022 
00023 #include "Nux.h"
00024 #include "PropertyList.h"
00025 
00026 #include "SplineCurvePreview.h"
00027 #include "SplineCurvePropertyItem.h"
00028 
00029 namespace nux
00030 {
00031 
00032   SplineCurvePropertyItem::SplineCurvePropertyItem (const TCHAR *name)
00033     :   SectionProperty (name, NODE_TYPE_SPLINE)
00034   {
00035     SetMinMaxSize (32, 32);
00036     NODE_SIG_CONNECT (sigSplineChanged, SplineCurvePropertyItem, RecvPropertyChange);
00037   }
00038 
00039   SplineCurvePropertyItem::~SplineCurvePropertyItem()
00040   {
00041 
00042   }
00043 
00044   long SplineCurvePropertyItem::ProcessPropertyEvent (IEvent &ievent, long TraverseInfo, long ProcessEventInfo)
00045   {
00046     long ret = TraverseInfo;
00047 
00048     Geometry geo = m_ItemGeometryVector[1];
00049 
00050     if ( (ievent.e_event == NUX_MOUSE_PRESSED) && geo.IsPointInside (ievent.e_x, ievent.e_y) == false)
00051     {
00052       ret = ProcessEvent (ievent, TraverseInfo, eDoNotProcess | ProcessEventInfo);
00053     }
00054     else
00055     {
00056       ret = ProcessEvent (ievent, TraverseInfo, ProcessEventInfo);
00057     }
00058 
00059     return ret;
00060   }
00061 
00062   void SplineCurvePropertyItem::DrawProperty (GraphicsEngine &GfxContext, TableCtrl *table, bool force_draw, Geometry geo, const BasePainter &Painter,
00063       RowHeader *row, const std::vector<ColumnHeader>& column_vector, Color ItemBackgroundColor)
00064   {
00065     if (isDirtyItem() || IsRedrawNeeded() )
00066     {
00067       t_u32 nBackground = table->PushItemBackground (GfxContext, this);
00068       Painter.PaintTextLineStatic (GfxContext, GetFont (), m_FirstColumnUsableGeometry, row->_table_item->GetName(), GetItemTextColor() );
00069 
00070       if (m_ItemGeometryVector.size() >= 2)
00071       {
00072         Geometry geo2 = m_ItemGeometryVector[1];
00073         Geometry prop_geo;
00074         prop_geo.SetX (geo.x + geo.GetWidth() );
00075         prop_geo.SetY (geo.y);
00076         prop_geo.SetWidth (column_vector[1].m_header_area->GetBaseWidth() );
00077         prop_geo.SetHeight (geo.GetHeight() );
00078 
00079         geo2.Expand (-PROPERTY_BORDER_X, -PROPERTY_BORDER_Y);
00080         GfxContext.PushClippingRectangle (geo2);
00081         GfxContext.PushClippingRectangle (prop_geo);
00082         ProcessDraw (GfxContext, true);
00083         GfxContext.PopClippingRectangle();
00084         GfxContext.PopClippingRectangle();
00085       }
00086 
00087       table->PopItemBackground (GfxContext, nBackground);
00088     }
00089   }
00090 
00091   void SplineCurvePropertyItem::ComputePropertyLayout (int x, int y, RowHeader *row, const std::vector<ColumnHeader>& column_vector)
00092   {
00093     if (m_ItemGeometryVector.size() >= 2)
00094     {
00095       Geometry geo;
00096       geo = m_ItemGeometryVector[1];
00097       geo = geo.GetExpand (-PROPERTY_BORDER_X, -PROPERTY_BORDER_Y);
00098       SetGeometry (geo);
00099     }
00100   }
00101 
00102   int SplineCurvePropertyItem::GetItemBestHeight()
00103   {
00104     Size sz = GetMinimumSize();
00105     return sz.height + 2 * PROPERTY_BORDER_Y;
00106   }
00107 
00108   SplineCurvePropertyItem *SplineCurvePropertyItem::CreateFromXML (const TiXmlElement *elementxml, NodeNetCom *parent, const char *Name, int id)
00109   {
00110     SplineCurvePropertyItem *node = new SplineCurvePropertyItem (Name);
00111 
00112     int NumKnot = 0;
00113     QueryNodeXMLIntAttribute (elementxml, "NumKnot",       &NumKnot,     id);
00114     const TiXmlElement *childxml = elementxml->FirstChildElement();
00115     int i = 0;
00116     node->Reset();
00117 
00118     while (childxml && (i < NumKnot) )
00119     {
00120       double x, y;
00121       QueryNodeXMLDoubleAttribute (childxml, TEXT ("X"), &x, -1);
00122       QueryNodeXMLDoubleAttribute (childxml, TEXT ("Y"), &y, -1); // - 1 means do not care about he ID
00123 
00124       node->AddKnot (x, y, false);
00125 
00126       ++i;
00127       childxml = childxml->NextSiblingElement();
00128     }
00129 
00130     node->SetID (id);
00131     return node;
00132   }
00133 
00134   TiXmlElement *SplineCurvePropertyItem::ToXML() const
00135   {
00136     TiXmlElement *elementxml = NodeNetCom::ToXML();
00137     elementxml->SetAttribute ("NumKnot", GetNumKnot() );
00138 
00139     for (int i = 0; i < GetNumKnot(); i++)
00140     {
00141       TiXmlElement *childxml = new TiXmlElement ("SplineKnot");
00142       childxml->SetDoubleAttribute (TEXT ("X"), GetKnot (i).GetX() );
00143       childxml->SetDoubleAttribute (TEXT ("Y"), GetKnot (i).GetY() );
00144       elementxml->LinkEndChild (childxml);
00145     }
00146 
00147     return elementxml;
00148   }
00149 
00150   bool SplineCurvePropertyItem::FromXML (const TiXmlElement *elementxml)
00151   {
00152     int NumKnot = 0;
00153     QueryNodeXMLIntAttribute (elementxml, "NumKnot",       &NumKnot,     GetID() );
00154     const TiXmlElement *childxml = elementxml->FirstChildElement();
00155     int i = 0;
00156 
00157     while (childxml && (i < NumKnot) )
00158     {
00159       double x, y;
00160       QueryNodeXMLDoubleAttribute (childxml, TEXT ("X"), &x, -1);
00161       QueryNodeXMLDoubleAttribute (childxml, TEXT ("Y"), &y, -1); // - 1 means do not care about he ID
00162 
00163       AddKnot (x, y, false);
00164       ++i;
00165       childxml = childxml->NextSiblingElement();
00166     }
00167 
00168     return NodeNetCom::FromXML (elementxml);
00169   }
00170 }
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