Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Bo's patch for generic code, more sorting code, WIP

Browse Source 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@47374 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
2007-07-12 12:58:28 +00:00
parent 3ef595d5f8
commit 3b6280beb2
6 changed files with 396 additions and 75 deletions
Download Patch File Download Diff File Expand all files Collapse all files

343
src/generic/datavgen.cpp
View File

@@ -57,6 +57,8 @@ static const int PADDING_RIGHTLEFT = 3;
// the cell padding on the top/bottom
static const int PADDING_TOPBOTTOM = 1;
// the expander space margin
static const int EXPANDER_MARGIN = 4;
bool operator == ( const wxDataViewItem & left, const wxDataViewItem & right )
{
@@ -284,8 +286,20 @@ public:
void SetItem( wxDataViewItem & item ) { this->item = item; }
unsigned int GetChildrenNumber() { return children.GetCount(); }
int GetIndentLevel()
{
int ret = 0 ;
wxDataViewTreeNode * node = this;
while( node->GetParent()->GetParent() != NULL )
{
node = node->GetParent();
ret ++;
}
return ret;
}
bool IsOpen() { return open; }
void ToggleOpen(){ open = !open; }
bool HasChildren() { return children.GetCount() != 0; }
private:
wxDataViewTreeNode * parent;
@@ -346,8 +360,9 @@ public:
int GetCountPerPage() const;
int GetEndOfLastCol() const;
unsigned int GetFirstVisibleRow() const;
unsigned int GetLastVisibleRow() const;
unsigned int GetRowCount() const;
//I change this method to un const because in the tree view, the displaying number of the tree are changing along with the expanding/collapsing of the tree nodes
unsigned int GetLastVisibleRow();
unsigned int GetRowCount() ;
void Select( const wxArrayInt& aSelections );
void SelectAllRows( bool on );
@@ -376,6 +391,14 @@ public:
//Methods for building the mapping tree
void BuildTree( wxDataViewModel * model );
void DestroyTree();
private:
wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row );
wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item ) { return NULL; }
int RecalculateCount() ;
void OnExpanding( unsigned int row );
void OnCollapsing( unsigned int row );
private:
wxDataViewCtrl *m_owner;
@@ -402,9 +425,12 @@ private:
// the pen used to draw horiz/vertical rules
wxPen m_penRule;
// the pen used to draw the expander and the lines
wxPen m_penExpander;
//This is the tree structure of the model
wxDataViewTreeNode * m_root;
unsigned int m_count;
int m_count;
private:
DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
DECLARE_EVENT_TABLE()
@@ -1620,9 +1646,12 @@ wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID i
m_penRule = wxPen(GetRuleColour(), 1, wxSOLID);
//Here I compose a pen can draw black lines, maybe there are something system colour to use
m_penExpander = wxPen( wxColour(0,0,0), 1, wxSOLID );
//Some new added code to deal with the tree structure
m_root = new wxDataViewTreeNode( NULL );
m_count = 0 ;
//Make m_count = -1 will cause the class recaculate the real displaying number of rows.
m_count = -1 ;
UpdateDisplay();
}
@@ -1665,7 +1694,7 @@ class DoJob
{
public:
DoJob(){};
virtual ~DoJob(){};
virtual ~DoJob() { }
virtual bool operator() ( wxDataViewTreeNode * node ) = 0 ;
};
@@ -1674,27 +1703,28 @@ class ItemAddJob: public DoJob
{
public:
ItemAddJob( const wxDataViewItem & parent, const wxDataViewItem & item )
{ this->parent = parent ; this->item = item ; }
virtual ~ItemAddJob(){};
{ this->parent = parent ; this->item = item; }
virtual ~ItemAddJob() { }
virtual bool operator() ( wxDataViewTreeNode * node )
{
if( node->GetItem() == parent )
{
wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
newnode->SetItem(item);
node->AppendChild( newnode);
return true;
newnode->SetItem(item);
node->AppendChild( newnode);
return true;
}
return false;
return false;
}
private:
wxDataViewItem parent, item;
};
bool Walker( wxDataViewTreeNode * node, DoJob & func )
{
if( !node->HasChildren())
if( node==NULL || !node->HasChildren())
return false;
wxDataViewTreeNodes nodes = node->GetChildren();
@@ -1712,7 +1742,6 @@ bool Walker( wxDataViewTreeNode * node, DoJob & func )
}
bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
{
ItemAddJob job( parent, item);
@@ -1814,7 +1843,7 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
unsigned int item_start = wxMax( 0, (update.y / m_lineHeight) );
unsigned int item_count =
wxMin( (int)(((update.y + update.height) / m_lineHeight) - item_start + 1),
(int)(m_count- item_start) );
(int)(GetRowCount( )- item_start) );
unsigned int item_last = item_start + item_count;
// compute which columns needs to be redrawn
@@ -1925,16 +1954,53 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
{
// get the cell value and set it into the renderer
wxVariant value;
wxDataViewItem dataitem = GetItemByRow(item);
model->GetValue( value, dataitem, col->GetModelColumn());
wxDataViewTreeNode * node = GetTreeNodeByRow(item);
if( node == NULL )
continue;
wxDataViewItem dataitem = node->GetItem();
model->GetValue( value, dataitem, col->GetModelColumn());
cell->SetValue( value );
// update the y offset
cell_rect.y = item * m_lineHeight;
// cannot be bigger than allocated space
//Draw the expander here. Please notice that I use const number for all pixel data. When the final API are determined
//I will change this to the data member of the class wxDataViewCtrl
int indent = node->GetIndentLevel();
if( col->GetModelColumn() == GetOwner()->GetExpanderColumn() )
{
//Calculate the indent first
indent = cell_rect.x + GetOwner()->GetIndent() * indent;
int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
// change the cell_rect.x to the appropriate pos
int expander_x = indent + EXPANDER_MARGIN , expander_y = cell_rect.y + EXPANDER_MARGIN ;
indent = indent + m_lineHeight ; //try to use the m_lineHeight as the expander space
dc.SetPen( m_penExpander );
dc.SetBrush( wxNullBrush );
if( node->HasChildren() )
{
dc.DrawRoundedRectangle( expander_x,expander_y,expander_width,expander_width, 1.0);
dc.DrawLine( expander_x + 2 , expander_y + expander_width/2, expander_x + expander_width - 2, expander_y + expander_width/2 );
if( !node->IsOpen() )
dc.DrawLine( expander_x + expander_width/2, expander_y + 2, expander_x + expander_width/2, expander_y + expander_width -2 );
}
else
{
// I am wandering whether we should draw dot lines between tree nodes
}
//force the expander column to left-center align
cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
}
// cannot be bigger than allocated space
wxSize size = cell->GetSize();
size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width );
// Because of the tree structure indent, here we should minus the width of the cell for drawing
size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
size.y = wxMin( size.y + 2*PADDING_TOPBOTTOM, cell_rect.height );
wxRect item_rect(cell_rect.GetTopLeft(), size);
@@ -1962,6 +2028,9 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
item_rect.height = size.y - 2 * PADDING_TOPBOTTOM;
//Here we add the tree indent
item_rect.x += indent;
int state = 0;
if (m_selection.Index(item) != wxNOT_FOUND)
state |= wxDATAVIEW_CELL_SELECTED;
@@ -2012,7 +2081,7 @@ unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
return y / m_lineHeight;
}
unsigned int wxDataViewMainWindow::GetLastVisibleRow() const
unsigned int wxDataViewMainWindow::GetLastVisibleRow()
{
wxSize client_size = GetClientSize();
m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
@@ -2021,10 +2090,18 @@ unsigned int wxDataViewMainWindow::GetLastVisibleRow() const
return wxMin( GetRowCount()-1, ((unsigned)client_size.y/m_lineHeight)+1 );
}
unsigned int wxDataViewMainWindow::GetRowCount() const
unsigned int wxDataViewMainWindow::GetRowCount()
{
if ( m_count == -1 )
{
m_count = RecalculateCount();
int width, height;
GetVirtualSize( &width, &height );
height = m_count * m_lineHeight;
SetVirtualSize( width, height );
}
return m_count;
//return wx_const_cast(wxDataViewCtrl*, GetOwner())->GetModel()->GetRowCount();
}
void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
@@ -2237,31 +2314,6 @@ wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
return rect;
}
/*
static int tree_walk_current ;
wxDataViewTreeNode * TreeWalk( unsigned int row , wxDataViewTreeNode * node )
{
wxDataViewTreeNode * ret ;
if( tree_walk_current == row )
return node;
if( node->HasChildren() && node->IsOpen())
{
wxDataViewTreeNodes nodes = node->GetChildren();
int len = nodes.GetCount();
int i = 0 ;
for( ; i < len; i ++)
{
tree_walk_current ++;
ret = TreeWalk( row, nodes[i] );
if( ret != NULL )
return ret;
}
}
return NULL;
}
*/
class RowToItemJob: public DoJob
{
public:
@@ -2270,16 +2322,17 @@ public:
virtual bool operator() ( wxDataViewTreeNode * node )
{
if( current == row)
{
ret = node->GetItem() ;
return true;
}
current ++;
return false;
}
if ( current == row)
{
ret = node->GetItem() ;
return true;
}
current ++;
return false;
}
wxDataViewItem GetResult(){ return ret; }
wxDataViewItem GetResult() { return ret; }
private:
unsigned int row;
int current ;
@@ -2293,22 +2346,130 @@ wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row)
return job.GetResult();
}
class RowToTreeNodeJob: public DoJob
{
public:
RowToTreeNodeJob( unsigned int row , int current )
{ this->row = row; this->current = current ; ret = NULL ; }
virtual ~RowToTreeNodeJob() { }
virtual int operator() ( wxDataViewTreeNode * node )
{
if( current == row)
{
ret = node ;
return DoJob::OK;
}
current ++;
if ( node->IsOpen())
return DoJob::CONT;
else
return DoJob::IGR;
}
wxDataViewTreeNode * GetResult(){ return ret; }
private:
unsigned int row;
int current ;
wxDataViewTreeNode * ret;
};
wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row)
{
RowToTreeNodeJob job( row , 0 );
Walker( m_root , job );
return job.GetResult();
}
class CountJob : public DoJob
{
public:
CountJob(){ count = 0 ; }
virtual ~CountJob() { }
virtual int operator () ( wxDataViewTreeNode * node )
{
count ++;
if (node->IsOpen())
return DoJob::CONT;
else
return DoJob::IGR;
}
unsigned int GetResult()
{
return count ;
}
private:
unsigned int count;
};
void wxDataViewMainWindow::OnExpanding( unsigned int row )
{
wxDataViewTreeNode * node = GetTreeNodeByRow(row);
if( node != NULL )
{
if (node->HasChildren())
if (!node->IsOpen())
{
node->ToggleOpen();
m_count = -1;
Refresh();
// RefreshRows(row,GetLastVisibleRow());
}
}
}
void wxDataViewMainWindow::OnCollapsing(unsigned int row)
{
wxDataViewTreeNode * node = GetTreeNodeByRow(row);
if (node != NULL)
{
if( node->HasChildren() && node->IsOpen() )
{
node->ToggleOpen();
m_count = -1;
Refresh();
//RefreshRows(row,GetLastVisibleRow());
}
else
{
node = node->GetParent();
if( node != NULL )
{
int parent = GetRowByItem( node->GetItem()) ;
SelectRow( row, false);
SelectRow(parent , true );
ChangeCurrentRow( parent );
}
}
}
}
int wxDataViewMainWindow::RecalculateCount()
{
CountJob job;
Walker( m_root, job );
return job.GetResult();
}
class ItemToRowJob : public DoJob
{
public:
ItemToRowJob(const wxDataViewItem & item){ this->item = item ; }
ItemToRowJob(const wxDataViewItem & item){ this->item = item ; ret = 0 ; }
virtual ~ItemToRowJob(){};
virtual bool operator() ( wxDataViewTreeNode * node)
{
ret ++;
if( node->GetItem() == item )
return true;
return false;
return true;
return false;
}
int GetResult(){ return ret; }
//the row number is begin from zero
int GetResult(){ return ret -1 ; }
private:
wxDataViewItem item;
int ret;
@@ -2331,11 +2492,11 @@ unsigned int BuildTreeHelper( wxDataViewModel * model, wxDataViewItem & item, w
while( i.IsOk() )
{
wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
n->SetItem(i);
node->AppendChild(n);
int num = BuildTreeHelper( model, i, n) + 1;
sum += num ;
i = model->GetNextSibling( i );
n->SetItem(i);
node->AppendChild(n);
int num = BuildTreeHelper( model, i, n) + 1;
sum += num ;
i = model->GetNextSibling( i );
}
return sum;
}
@@ -2344,7 +2505,8 @@ void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
{
//First we define a invalid item to fetch the top-level elements
wxDataViewItem item;
m_count = BuildTreeHelper( model, item, m_root);
BuildTreeHelper( model, item, m_root);
m_count = -1 ;
}
void DestroyTreeHelper( wxDataViewTreeNode * node )
@@ -2352,9 +2514,9 @@ void DestroyTreeHelper( wxDataViewTreeNode * node )
if( node->HasChildren() )
{
int len = node->GetChildrenNumber();
int i = 0 ;
wxDataViewTreeNodes nodes = node->GetChildren();
for( ; i < len; i ++ )
int i = 0 ;
wxDataViewTreeNodes nodes = node->GetChildren();
for( ; i < len; i ++ )
{
DestroyTreeHelper(nodes[i]);
}
@@ -2403,7 +2565,13 @@ void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
if ( m_currentRow < GetRowCount() - 1 )
OnArrowChar( m_currentRow + 1, event );
break;
//Add the process for tree expanding/collapsing
case WXK_LEFT:
OnCollapsing(m_currentRow);
break;
case WXK_RIGHT:
OnExpanding( m_currentRow);
break;
case WXK_END:
if (!IsEmpty())
OnArrowChar( GetRowCount() - 1, event );
@@ -2554,7 +2722,28 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
SelectRow( m_lineSelectSingleOnUp, true );
}
if (m_lastOnSame)
//Process the event of user clicking the expander
bool expander = false;
wxDataViewTreeNode * node = GetTreeNodeByRow(current);
if( node!=NULL && node->HasChildren() )
{
int indent = node->GetIndentLevel();
indent = GetOwner()->GetIndent()*indent;
wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
if( rect.Contains( x, y) )
{
expander = true;
node->ToggleOpen();
m_count = -1; //make the current row number fail
Refresh();
//int last_row = GetLastVisibleRow();
//RefreshRows( current, last_row );
}
}
//If the user click the expander, we do not do editing even if the column with expander are editable
if (m_lastOnSame && !expander )
{
if ((col == m_currentCol) && (current == m_currentRow) &&
(cell->GetMode() == wxDATAVIEW_CELL_EDITABLE) )
@@ -2810,6 +2999,18 @@ void wxDataViewCtrl::OnColumnChange()
m_clientArea->UpdateDisplay();
}
void wxDataViewCtrl::DoSetExpanderColumn()
{
m_clientArea->UpdateDisplay();
}
void wxDataViewCtrl::DoSetIndent()
{
m_clientArea->UpdateDisplay();
}
/********************************************************************
void wxDataViewCtrl::SetSelection( int row )
{