📄 wksp_data_layers.cpp
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///////////////////////////////////////////////////////////
// //
// SAGA //
// //
// System for Automated Geoscientific Analyses //
// //
// User Interface //
// //
// Program: SAGA //
// //
//-------------------------------------------------------//
// //
// WKSP_Data_Layers.cpp //
// //
// Copyright (C) 2006 by Olaf Conrad //
// //
//-------------------------------------------------------//
// //
// This file is part of 'SAGA - System for Automated //
// Geoscientific Analyses'. SAGA is free software; you //
// can redistribute it and/or modify it under the terms //
// of the GNU General Public License as published by the //
// Free Software Foundation; version 2 of the License. //
// //
// SAGA is distributed in the hope that it will be //
// useful, but WITHOUT ANY WARRANTY; without even the //
// implied warranty of MERCHANTABILITY or FITNESS FOR A //
// PARTICULAR PURPOSE. See the GNU General Public //
// License for more details. //
// //
// You should have received a copy of the GNU General //
// Public License along with this program; if not, //
// write to the Free Software Foundation, Inc., //
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, //
// USA. //
// //
//-------------------------------------------------------//
// //
// contact: Olaf Conrad //
// Institute of Geography //
// University of Goettingen //
// Goldschmidtstr. 5 //
// 37077 Goettingen //
// Germany //
// //
// e-mail: oconrad@saga-gis.org //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
#include <saga_api/saga_api.h>
#include "res_controls.h"
#include "res_commands.h"
#include "res_dialogs.h"
#include "helper.h"
#include "dc_helper.h"
#include "active.h"
#include "wksp_data_manager.h"
#include "wksp_layer.h"
#include "wksp_map.h"
#include "wksp_map_layer.h"
#include "wksp_data_layers.h"
///////////////////////////////////////////////////////////
// //
// //
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///////////////////////////////////////////////////////////
//---------------------------------------------------------
#define SCROLL_RATE 5
#define SCROLL_BAR_DX wxSystemSettings::GetMetric(wxSYS_VSCROLL_X)
#define SCROLL_BAR_DY wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y)
//---------------------------------------------------------
#define THUMBNAIL_SIZE 75
#define THUMBNAIL_DIST 5
#define TITLE_FONT wxFont(8, wxFONTFAMILY_SWISS, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_BOLD)
///////////////////////////////////////////////////////////
// //
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///////////////////////////////////////////////////////////
//---------------------------------------------------------
CWKSP_Data_Layers *g_pLayers = NULL;
///////////////////////////////////////////////////////////
// //
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///////////////////////////////////////////////////////////
//---------------------------------------------------------
IMPLEMENT_CLASS(CWKSP_Data_Layers_Item, wxPanel)
//---------------------------------------------------------
BEGIN_EVENT_TABLE(CWKSP_Data_Layers_Item, wxPanel)
EVT_PAINT (CWKSP_Data_Layers_Item::On_Paint)
EVT_LEFT_DOWN (CWKSP_Data_Layers_Item::On_Mouse_LDown)
EVT_LEFT_DCLICK (CWKSP_Data_Layers_Item::On_Mouse_LDClick)
EVT_RIGHT_DOWN (CWKSP_Data_Layers_Item::On_Mouse_RDown)
END_EVENT_TABLE()
//---------------------------------------------------------
CWKSP_Data_Layers_Item::CWKSP_Data_Layers_Item(wxWindow *pParent, class CWKSP_Layer *pLayer)
: wxPanel(pParent, -1, wxDefaultPosition, wxDefaultSize, wxRAISED_BORDER)
{
m_pLayer = pLayer;
m_pObject = pLayer->Get_Object();
m_Title = pLayer->Get_Name();
}
//---------------------------------------------------------
CWKSP_Data_Layers_Item::CWKSP_Data_Layers_Item(wxWindow *pParent, const wxChar *Title)
: wxPanel(pParent, -1, wxDefaultPosition, wxDefaultSize, 0)
{
m_pLayer = NULL;
m_pObject = NULL;
m_Title = Title;
int x, y, d, e;
wxClientDC dc(this);
wxFont Font(TITLE_FONT);
dc.GetTextExtent(m_Title, &x, &y, &d, &e, &Font);
SetSize(-1, -1, x + 4, y + d + e + 4);
}
//---------------------------------------------------------
void CWKSP_Data_Layers_Item::On_Paint(wxPaintEvent &event)
{
wxPaintDC dc(this);
wxRect r(wxPoint(0, 0), GetClientSize());
if( m_pLayer )
{
if( g_pData->Exists(m_pObject) )
{
SetToolTip(m_pLayer->Get_Name());
dc.DrawBitmap(m_pLayer->Get_Thumbnail(r.GetWidth() - 1, r.GetHeight() - 1), r.GetLeft(), r.GetTop(), true);
if( g_pACTIVE->Get_Item() == m_pLayer )
{
dc.SetPen(wxPen(((CWKSP_Data_Layers *)GetParent())->Get_Active_Color()));
Draw_Edge(dc, EDGE_STYLE_SIMPLE, r); r.Deflate(1);
Draw_Edge(dc, EDGE_STYLE_SIMPLE, r); r.Deflate(1);
Draw_Edge(dc, EDGE_STYLE_SIMPLE, r);
}
}
}
else
{
dc.DrawLine(0, 0, r.GetWidth(), 0);
dc.DrawLine(0, 1, r.GetWidth(), 1);
dc.SetFont(TITLE_FONT);
dc.DrawText(m_Title, 2, 2);
dc.DrawLine(0, r.GetBottom(), GetClientSize().x, r.GetBottom());
}
}
//---------------------------------------------------------
bool CWKSP_Data_Layers_Item::_Set_Layer_Active(void)
{
if( m_pLayer && g_pData->Exists(m_pObject) )
{
g_pACTIVE->Set_Active(m_pLayer);
return( true );
}
m_pObject = NULL;
return( false );
}
//---------------------------------------------------------
void CWKSP_Data_Layers_Item::On_Mouse_LDown(wxMouseEvent &event)
{
_Set_Layer_Active();
event.Skip();
}
//---------------------------------------------------------
void CWKSP_Data_Layers_Item::On_Mouse_LDClick(wxMouseEvent &event)
{
if( _Set_Layer_Active() )
{
m_pLayer->On_Command(ID_CMD_WKSP_ITEM_RETURN);
}
event.Skip();
}
//---------------------------------------------------------
void CWKSP_Data_Layers_Item::On_Mouse_RDown(wxMouseEvent &event)
{
if( _Set_Layer_Active() )
{
wxMenu *pMenu;
if( (pMenu = m_pLayer->Get_Menu()) != NULL )
{
PopupMenu(pMenu, event.GetPosition());
delete(pMenu);
return;
}
}
event.Skip();
}
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
IMPLEMENT_CLASS(CWKSP_Data_Layers, wxScrolledWindow)
//---------------------------------------------------------
BEGIN_EVENT_TABLE(CWKSP_Data_Layers, wxScrolledWindow)
EVT_RIGHT_DOWN (CWKSP_Data_Layers::On_Mouse_RDown)
EVT_SIZE (CWKSP_Data_Layers::On_Size)
END_EVENT_TABLE()
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
CWKSP_Data_Layers::CWKSP_Data_Layers(wxWindow *pParent)
: wxScrolledWindow(pParent, -1, wxDefaultPosition, wxDefaultSize, wxSUNKEN_BORDER|wxFULL_REPAINT_ON_RESIZE)
{
g_pLayers = this;
m_xScroll = 0;
m_yScroll = 0;
m_Items = NULL;
m_nItems = 0;
//-----------------------------------------------------
bool bValue;
long lValue;
m_Size = CONFIG_Read(wxT("/LAYERS"), wxT("SIZE") , lValue) ? (int)lValue : 75;
m_bCategorised = CONFIG_Read(wxT("/LAYERS"), wxT("CATEGORY") , bValue) ? bValue : true;
m_Active_Color = CONFIG_Read(wxT("/LAYERS"), wxT("SELCOLOR") , lValue) ? lValue : Get_Color_asInt(SYS_Get_Color(wxSYS_COLOUR_BTNSHADOW));
//-----------------------------------------------------
m_Parameters.Create(this, LNG("Options for Layers Workspace"), LNG(""));
m_Parameters.Add_Value(
NULL, "SIZE" , LNG("Button Size"),
LNG(""),
PARAMETER_TYPE_Int, m_Size, 10, true
);
m_Parameters.Add_Value(
NULL, "CATEGORY" , LNG("Show Categories"),
LNG(""),
PARAMETER_TYPE_Bool, m_bCategorised
);
m_Parameters.Add_Value(
NULL, "SELCOLOR" , LNG("Active Layer Color"),
LNG(""),
PARAMETER_TYPE_Color, m_Active_Color
);
}
//---------------------------------------------------------
CWKSP_Data_Layers::~CWKSP_Data_Layers(void)
{
CONFIG_Write(wxT("/LAYERS"), wxT("SIZE") , (long)m_Parameters("SIZE") ->asInt());
CONFIG_Write(wxT("/LAYERS"), wxT("CATEGORY"), m_Parameters("CATEGORY")->asBool());
CONFIG_Write(wxT("/LAYERS"), wxT("SELCOLOR"), m_Parameters("SELCOLOR")->asColor());
_Del_Items();
g_pLayers = NULL;
}
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
void CWKSP_Data_Layers::On_Mouse_RDown(wxMouseEvent &event)
{
if( DLG_Parameters(&m_Parameters) )
{
m_Size = m_Parameters("SIZE") ->asInt();
m_bCategorised = m_Parameters("CATEGORY") ->asBool();
m_Active_Color = m_Parameters("SELCOLOR") ->asColor();
Update_Layers();
}
event.Skip();
}
//---------------------------------------------------------
void CWKSP_Data_Layers::On_Size(wxSizeEvent &event)
{
_Set_Positions();
}
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
void CWKSP_Data_Layers::Update_Layers(void)
{
Freeze();
_Del_Items();
_Add_Items(g_pData);
Scroll(0, 0);
_Set_Positions();
Thaw();
}
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
void CWKSP_Data_Layers::_Set_Positions(void)
{
int xSize, ySize, xPos, yPos, xAdd, yAdd, i, x, y;
xSize = GetClientSize().x - SCROLL_BAR_DX;
if( xSize < m_Size + THUMBNAIL_DIST )
{
xSize = m_Size + THUMBNAIL_DIST;
}
xPos = THUMBNAIL_DIST;
yPos = THUMBNAIL_DIST;
xAdd = 0;
yAdd = 0;
for(i=0; i<m_nItems; i++)
{
CWKSP_Data_Layers_Item *pItem = m_Items[i];
if( pItem->is_Title() )
{
xPos = THUMBNAIL_DIST;
yPos += THUMBNAIL_DIST + yAdd;
CalcScrolledPosition(0, yPos, &x, &y);
pItem->SetSize(x, y, xSize + SCROLL_BAR_DX, -1);
yPos += THUMBNAIL_DIST + pItem->GetSize().y;
yAdd = 0;
}
else
{
xAdd = m_Size;
if( xPos + xAdd >= xSize )
{
xPos = THUMBNAIL_DIST;
yPos += yAdd;
yAdd = THUMBNAIL_DIST + m_Size;
}
yAdd = m_Size + THUMBNAIL_DIST;
CalcScrolledPosition(xPos, yPos, &x, &y);
pItem->SetSize(x, y, m_Size, m_Size);
xPos += THUMBNAIL_DIST + xAdd;
}
}
xSize += SCROLL_BAR_DX;
ySize = SCROLL_BAR_DY + yPos + yAdd;
if( m_xScroll != xSize || m_yScroll != ySize )
{
m_xScroll = xSize;
m_yScroll = ySize;
SetScrollbars(SCROLL_RATE, SCROLL_RATE, m_xScroll / SCROLL_RATE, m_yScroll / SCROLL_RATE);
}
}
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
bool CWKSP_Data_Layers::_Add_Items(CWKSP_Base_Item *pItem)
{
if( pItem )
{
switch( pItem->Get_Type() )
{
default:
return( false );
case WKSP_ITEM_Shapes:
case WKSP_ITEM_TIN:
case WKSP_ITEM_Grid:
return( _Add_Item((CWKSP_Layer *)pItem) );
case WKSP_ITEM_Data_Manager:
case WKSP_ITEM_Grid_Manager:
case WKSP_ITEM_Shapes_Manager:
break;
case WKSP_ITEM_Grid_System:
case WKSP_ITEM_Shapes_Type:
case WKSP_ITEM_TIN_Manager:
if( m_bCategorised )
{
_Add_Item(pItem->Get_Name());
}
break;
}
for(int i=0; i<((CWKSP_Base_Manager *)pItem)->Get_Count(); i++)
{
_Add_Items(((CWKSP_Base_Manager *)pItem)->Get_Item(i));
}
return( true );
}
return( false );
}
//---------------------------------------------------------
bool CWKSP_Data_Layers::_Add_Item(CWKSP_Layer *pLayer)
{
if( pLayer )
{
m_Items = (CWKSP_Data_Layers_Item **)SG_Realloc(m_Items, (m_nItems + 1) * sizeof(CWKSP_Data_Layers_Item *));
m_Items[m_nItems++] = new CWKSP_Data_Layers_Item(this, pLayer);
return( true );
}
return( false );
}
//---------------------------------------------------------
bool CWKSP_Data_Layers::_Add_Item(const wxChar *Title)
{
if( Title )
{
m_Items = (CWKSP_Data_Layers_Item **)SG_Realloc(m_Items, (m_nItems + 1) * sizeof(CWKSP_Data_Layers_Item *));
m_Items[m_nItems++] = new CWKSP_Data_Layers_Item(this, Title);
return( true );
}
return( false );
}
//---------------------------------------------------------
bool CWKSP_Data_Layers::_Del_Items(void)
{
if( m_nItems > 0 )
{
for(int i=0; i<m_nItems; i++)
{
delete(m_Items[i]);
}
SG_Free(m_Items);
}
m_Items = NULL;
m_nItems = 0;
return( true );
}
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
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