+///////////////////////////////////////////////////////////////////////////
+// Name: generic/gridctrl.cpp
+// Purpose: wxGrid controls
+// Author: Paul Gammans, Roger Gammans
+// Modified by:
+// Created: 11/04/2001
+// RCS-ID: $Id$
+// Copyright: (c) The Computer Surgery (paul@compsurg.co.uk)
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+ #pragma interface "gridctrl.h"
+#endif
+
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#include "wx/generic/gridctrl.h"
+#include "wx/tokenzr.h"
+
+// ----------------------------------------------------------------------------
+// wxGridCellDateTimeRenderer
+// ----------------------------------------------------------------------------
+
+// Enables a grid cell to display a formated date and or time
+
+wxGridCellDateTimeRenderer::wxGridCellDateTimeRenderer(wxString outformat, wxString informat)
+{
+ m_iformat = informat;
+ m_oformat = outformat;
+ m_tz = wxDateTime::Local;
+ m_dateDef = wxDefaultDateTime;
+}
+
+wxGridCellRenderer *wxGridCellDateTimeRenderer::Clone() const
+{
+ wxGridCellDateTimeRenderer *renderer = new wxGridCellDateTimeRenderer;
+ renderer->m_iformat = m_iformat;
+ renderer->m_oformat = m_oformat;
+ renderer->m_dateDef = m_dateDef;
+ renderer->m_tz = m_tz;
+
+ return renderer;
+}
+
+wxString wxGridCellDateTimeRenderer::GetString(wxGrid& grid, int row, int col)
+{
+ wxGridTableBase *table = grid.GetTable();
+
+ bool hasDatetime = FALSE;
+ wxDateTime val;
+ wxString text;
+ if ( table->CanGetValueAs(row, col, wxGRID_VALUE_DATETIME) )
+ {
+ void * tempval = table->GetValueAsCustom(row, col,wxGRID_VALUE_DATETIME);
+
+ if (tempval){
+ val = *((wxDateTime *)tempval);
+ hasDatetime = TRUE;
+ delete (wxDateTime *)tempval;
+ }
+
+ }
+
+ if (!hasDatetime )
+ {
+ text = table->GetValue(row, col);
+ hasDatetime = (val.ParseFormat( text, m_iformat, m_dateDef ) != (wxChar *)NULL) ;
+ }
+
+ if ( hasDatetime )
+ text = val.Format(m_oformat, m_tz );
+
+ //If we faild to parse string just show what we where given?
+ return text;
+}
+
+void wxGridCellDateTimeRenderer::Draw(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ const wxRect& rectCell,
+ int row, int col,
+ bool isSelected)
+{
+ wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
+
+ SetTextColoursAndFont(grid, attr, dc, isSelected);
+
+ // draw the text right aligned by default
+ int hAlign, vAlign;
+ attr.GetAlignment(&hAlign, &vAlign);
+ hAlign = wxRIGHT;
+
+ wxRect rect = rectCell;
+ rect.Inflate(-1);
+
+ grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
+}
+
+wxSize wxGridCellDateTimeRenderer::GetBestSize(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ int row, int col)
+{
+ return DoGetBestSize(attr, dc, GetString(grid, row, col));
+}
+
+void wxGridCellDateTimeRenderer::SetParameters(const wxString& params){
+ if(params)
+ m_oformat=params;
+}
+
+// ----------------------------------------------------------------------------
+// wxGridCellChoiceNumberRenderer
+// ----------------------------------------------------------------------------
+// Renders a number as a textual equivalent.
+// eg data in cell is 0,1,2 ... n the cell could be rendered as "John","Fred"..."Bob"
+
+
+wxGridCellEnumRenderer::wxGridCellEnumRenderer(const wxString& choices)
+{
+ if(choices)
+ SetParameters(choices);
+}
+
+wxGridCellRenderer *wxGridCellEnumRenderer::Clone() const
+{
+ wxGridCellEnumRenderer *renderer = new wxGridCellEnumRenderer;
+ renderer->m_choices = m_choices;
+ return renderer;
+}
+
+wxString wxGridCellEnumRenderer::GetString(wxGrid& grid, int row, int col)
+{
+ wxGridTableBase *table = grid.GetTable();
+ wxString text;
+ if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
+ {
+ int choiceno = table->GetValueAsLong(row, col);
+ text.Printf(_T("%s"), m_choices[ choiceno ].c_str() );
+ }
+ else
+ {
+ text = table->GetValue(row, col);
+ }
+
+
+ //If we faild to parse string just show what we where given?
+ return text;
+}
+
+void wxGridCellEnumRenderer::Draw(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ const wxRect& rectCell,
+ int row, int col,
+ bool isSelected)
+{
+ wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
+
+ SetTextColoursAndFont(grid, attr, dc, isSelected);
+
+ // draw the text right aligned by default
+ int hAlign, vAlign;
+ attr.GetAlignment(&hAlign, &vAlign);
+ hAlign = wxRIGHT;
+
+ wxRect rect = rectCell;
+ rect.Inflate(-1);
+
+ grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
+}
+
+wxSize wxGridCellEnumRenderer::GetBestSize(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ int row, int col)
+{
+ return DoGetBestSize(attr, dc, GetString(grid, row, col));
+}
+
+void wxGridCellEnumRenderer::SetParameters(const wxString& params)
+{
+ if ( !params )
+ {
+ // what can we do?
+ return;
+ }
+
+ m_choices.Empty();
+
+ wxStringTokenizer tk(params, _T(','));
+ while ( tk.HasMoreTokens() )
+ {
+ m_choices.Add(tk.GetNextToken());
+ }
+}
+
+// ----------------------------------------------------------------------------
+// wxGridCellEnumEditor
+// ----------------------------------------------------------------------------
+// A cell editor which displays an enum number as a textual equivalent.
+// eg data in cell is 0,1,2 ... n the cell could be displayed as "John","Fred"..."Bob"
+// in the combo choice box
+//
+wxGridCellEnumEditor::wxGridCellEnumEditor(const wxString& choices)
+ : wxGridCellChoiceEditor()
+{
+ if(choices)
+ SetParameters(choices);
+}
+
+wxGridCellEditor *wxGridCellEnumEditor::Clone() const
+{
+ wxGridCellEnumEditor *editor = new wxGridCellEnumEditor();
+ editor->m_startint = m_startint;
+ return editor;
+}
+
+void wxGridCellEnumEditor::BeginEdit(int row, int col, wxGrid* grid)
+{
+ wxASSERT_MSG(m_control,
+ wxT("The wxGridCellEnumEditor must be Created first!"));
+
+ wxGridTableBase *table = grid->GetTable();
+
+ if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
+ {
+ m_startint = table->GetValueAsLong(row, col);
+ }
+ else
+ {
+ wxString startValue = table->GetValue(row, col);
+ if (startValue.IsNumber() && !startValue.IsEmpty())
+ {
+ startValue.ToLong(&m_startint);
+ }
+ else
+ {
+ m_startint=-1;
+ }
+ }
+
+ Combo()->SetSelection(m_startint);
+ Combo()->SetInsertionPointEnd();
+ Combo()->SetFocus();
+
+}
+
+bool wxGridCellEnumEditor::EndEdit(int row, int col, wxGrid* grid)
+{
+ int pos = Combo()->GetSelection();
+ bool changed = (pos != m_startint);
+ if (changed)
+ {
+ if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER))
+ grid->GetTable()->SetValueAsLong(row, col, pos);
+ else
+ grid->GetTable()->SetValue(row, col,wxString::Format("%i",pos));
+ }
+
+ return changed;
+}
+
+
+void
+wxGridCellAutoWrapStringEditor::Create(wxWindow* parent,
+ wxWindowID id,
+ wxEvtHandler* evtHandler)
+{
+ m_control = new wxTextCtrl(parent, id, wxEmptyString,
+ wxDefaultPosition, wxDefaultSize,
+ wxTE_MULTILINE | wxTE_RICH);
+
+
+ wxGridCellEditor::Create(parent, id, evtHandler);
+}
+
+void
+wxGridCellAutoWrapStringRenderer::Draw(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ const wxRect& rectCell,
+ int row, int col,
+ bool isSelected) {
+
+
+ wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
+
+ // now we only have to draw the text
+ SetTextColoursAndFont(grid, attr, dc, isSelected);
+
+ int horizAlign, vertAlign;
+ attr.GetAlignment(&horizAlign, &vertAlign);
+
+ wxRect rect = rectCell;
+ rect.Inflate(-1);
+
+ grid.DrawTextRectangle(dc, GetTextLines(grid,dc,attr,rect,row,col),
+ rect, horizAlign, vertAlign);
+}
+
+
+wxArrayString
+wxGridCellAutoWrapStringRenderer::GetTextLines(wxGrid& grid,
+ wxDC& dc,
+ wxGridCellAttr& attr,
+ const wxRect& rect,
+ int row, int col)
+{
+ wxString data = grid.GetCellValue(row, col);
+
+ wxArrayString lines;
+ dc.SetFont(attr.GetFont());
+
+ //Taken from wxGrid again!
+ wxCoord x = 0, y = 0, curr_x = 0;
+ wxCoord max_x = rect.GetWidth();
+
+ dc.SetFont(attr.GetFont());
+ wxStringTokenizer tk(data , _T(" \n\t\r"));
+ wxString thisline("");
+
+ while ( tk.HasMoreTokens() )
+ {
+ wxString tok = tk.GetNextToken();
+ //FIXME: this causes us to print an extra unnecesary
+ // space at the end of the line. But it
+ // is invisible , simplifies the size calculation
+ // and ensures tokens are seperated in the display
+ tok += _T(" ");
+
+ dc.GetTextExtent(tok, &x, &y);
+ if ( curr_x + x > max_x) {
+ lines.Add( wxString(thisline) );
+ thisline = tok;
+ curr_x=x;
+ } else {
+ thisline+= tok;
+ curr_x += x;
+ }
+
+ }
+ //Add last line
+ lines.Add( wxString(thisline) );
+
+ return lines;
+}
+
+
+wxSize
+wxGridCellAutoWrapStringRenderer::GetBestSize(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ int row, int col)
+{
+ int x,y, height , width = grid.GetColSize(col) -10;
+ int count = 250; //Limit iterations..
+
+ wxRect rect(0,0,width,10);
+
+ // M is a nice large character 'y' gives descender!.
+ dc.GetTextExtent("My", &x, &y);
+
+ do
+ {
+ width+=10;
+ rect.SetWidth(width);
+ height = y *( GetTextLines(grid,dc,attr,rect,row,col).GetCount());
+ count--;
+ // Search for a shape no taller than the golden ratio.
+ } while (count && (width < (height*1.68)) );
+
+
+ return wxSize(width,height);
+}
+
projects / wxWidgets.git / commitdiff
