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VDKTreeViewModel Class Reference

Provides a wrapper for GtkTreeModel basically it stores data to be viewed with a VDKTreeView. More...

#include <vdktreeview.h>

Inheritance diagram for VDKTreeViewModel:

VDKNotCopyAble List of all members.

Public Member Functions


Detailed Description

Provides a wrapper for GtkTreeModel basically it stores data to be viewed with a VDKTreeView.


Constructor & Destructor Documentation

VDKTreeViewModel::VDKTreeViewModel GType *  types,
int  ncol
 

constructor

Parameters:
types a GType array
ncol the number of columns into the model

VDKTreeViewModel::~VDKTreeViewModel  ) 
 

destructor


Member Function Documentation

void VDKTreeViewModel::AppendBlank GtkTreeIter *  iter,
GtkTreeIter *  parent = NULL
 

Appends a new blank tree row

Parameters:
iter a not initialized iter address that will be filled with newly constructed tree row
parent if not NULL the row will appended as a child otherwise it will be appended as a sibling. TIP:
  • appending all rows as sibling will degenerate the tree into a list
    GtkTreeIter iter; model->AppendBlank(); model->SetData(&iter,...);

void VDKTreeViewModel::Clear  ) 
 

Clears the tree store

char * VDKTreeViewModel::GetCell GtkTreeIter *  node,
int  column
 

Get data from a cell, data type will be converted into their string representation accordlying with GType.

Parameters:
node iterator to be retrieved
column cell column
Supported GType's:
  • G_TYPE_CHAR
  • G_TYPE_STRING
  • G_TYPE_BOOLEAN
  • G_TYPE_INT
  • G_TYPE_UINT
  • G_TYPE_LONG
  • G_TYPE_ULONG
  • G_TYPE_FLOAT
  • G_TYPE_DOUBLE

Tip: Returned buffer address should be freed by user if not NULL.

//signal response method bool TvForm::OnTreeViewSelectRow(VDKObject* sender) { // gets selections treeview->GetSelections(); // disregard multiple selections if(treeview->Selections().size() == 1) { VDKTreeViewModel* model = treeview->Model; // gets iter position from selections list GtkTreeIter iter = treeview->Selections()[0]; char* firstname = model->GetCell(&iter,0); // extract from iter position at column 0 char* lastname = model->GetCell(&iter,1); if(firstname && lastname) // GetCell() returns NULL on failure { printf("\n[%s %s]",firstname,lastname); fflush(stdout); delete[] firstname; delete[] lastname; } } treeview->Selections().flush(); return true; }

void VDKTreeViewModel::GetTuple GtkTreeIter *  node,
VDKTreeViewModelTuple tuple
 

Gets and fill a tuple with row data converted into their string representation

Parameters:
node iterator to be retrieved
tuple a tuple reference (tuple can be empty since it will be resized and filled by the method

GtkTreeStore* VDKTreeViewModel::GtkModel  )  [inline]
 

Return underlying GtkTreeStore object

void VDKTreeViewModel::InsertTuple GtkTreeIter *  iter,
VDKTreeViewModelTuple tuple,
GtkTreeIter *  parent = NULL,
bool  recurse = false
 

Insert a tuple into model, tuple will be inserted in order.

Parameters:
iter a not initialized iter address that will be filled with newly constructed tree row
tuple to be inserted
parent if is NULL tuple will be inserted in order into top level nodes list otherwise will be inserted in order into parent children list
recurse if true scans children/sibling list recursively to search insertion position

void VDKTreeViewModel::PrependBlank GtkTreeIter *  iter,
GtkTreeIter *  parent = NULL
 

Prepends a new blank tree row

Parameters:
iter a not initialized iter address that will be filled with newly constructed tree row
parent if not NULL the row will prepended as a child otherwise it will be prepended as a sibling. TIP:
  • prepending all rows as sibling will degenerate the tree into a list
GtkTreeIter iter; model->PrependBlank(); model->SetData(&iter,...);

void VDKTreeViewModel::Remove GtkTreeIter *  i  ) 
 

Removes the row at iter

Parameters:
i the iter to be removed

void VDKTreeViewModel::SetCell GtkTreeIter *  node,
int  column,
const char *  value
 

Sets data into a cell

Parameters:
node the iterator to be set
column cell column
value a string representation of GType value that will be converted into a GType accordlying with the model
GtkTreeIter *iter = model->PrependBlank(); model->SetCell(iter,0, "test"); model->SetCell(iter,1, "true");

Supported GType's:

  • G_TYPE_CHAR
  • G_TYPE_STRING
  • G_TYPE_BOOLEAN
  • G_TYPE_INT
  • G_TYPE_UINT
  • G_TYPE_LONG
  • G_TYPE_ULONG
  • G_TYPE_FLOAT
  • G_TYPE_DOUBLE

void VDKTreeViewModel::SetData GtkTreeIter *  node,
  ...
 

Sets data into a row

Parameters:
node the iterator to be set
a list of pairs <column ordinal number,type value> the list must be -1 terminated.
GtkTreeIter iter; model->AppendBlank(); model->SetData(&iter, 0, "This is row 1", 1, FALSE, 2, NULL, -1);


The documentation for this class was generated from the following files:
Generated on Tue Aug 17 12:39:52 2004 for vdk 2.4.0 by doxygen 1.3.7