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/*
* ===========================
* VDK Visual Develeopment Kit
* Version 2.0.0
* november 2000
* ===========================
*
* Copyright (C) 1998, Mario Motta
* Developed by Mario Motta <mmotta@guest.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include <string.h>
#include "ctreecompo.h"
#include <string.h>
const int MAX_TITLES = 1;
// in pixmap.cc
extern char *mini_ofolder_xpm[];
extern char *mini_cfolder_xpm[];
// in src/pixdata.cc
extern char *testo_xpm[];
static char *titles[] = {"Folders & files"};
static char buff[128];
///////////////////////////////////////////////////
DEFINE_SIGNAL_LIST(TreeComponent,VDKBox);
DEFINE_EVENT_LIST(TreeComponent,VDKBox);
DEFINE_SIGNAL_MAP(TreeComponent,VDKBox)
ON_SIGNAL(tree,select_node_signal,ShowSelection),
ON_SIGNAL(remove,clicked_signal,RemoveSelection),
ON_SIGNAL(build,clicked_signal,BuildTree),
ON_SIGNAL(clear,clicked_signal,ClearTree),
ON_SIGNAL(expand,clicked_signal,ExpandNode)
END_SIGNAL_MAP
/*
*/
bool
TreeComponent::ExpandNode(VDKObject* )
{
VDKTreeNode node = tree->SelectedNode;
if(node && ! tree->IsLeaf(node))
{
if(tree->IsExpanded(node))
gtk_ctree_collapse_recursive(GTK_CTREE(tree->CustomWidget()),node);
else
gtk_ctree_expand_recursive(GTK_CTREE(tree->CustomWidget()),node);
}
return true;
}
/*
*/
bool
TreeComponent::RemoveSelection(VDKObject* )
{
VDKTreeNode node = NULL;
VDKTreeNodeArray& selections = tree->Selections();
if( (selections.size() == 0) && (node = tree->SelectedNode) )
tree->RemoveNode(node);
else
{
tree->Freeze();
for(int j = 0; j < selections.size(); j++)
tree->RemoveNode(selections[j]);
tree->Thaw();
}
if(tree->Size() == 0)
{
remove->Enabled = false;
build->Enabled = true;
}
return true;
}
/*
*/
bool
TreeComponent::ClearTree(VDKObject* obj)
{
tree->Clear();
remove->Enabled = false;
build->Enabled = true;
return true;
}
/*
*/
bool
TreeComponent::ShowSelection(VDKObject* obj)
{
VDKCustomTree* aTree = NULL;
VDKTreeNode node;
Tuple tuple;
int t,j;
// downcast from VDKObj to VDKCustomTree
aTree = dynamic_cast<VDKCustomTree*>(obj);
// when called from a button surely fails
aTree = aTree ? aTree : tree;
VDKTreeNodeArray& selections = aTree->Selections();
if(selections.size() == 0)
{
node = aTree->SelectedNode;
if(node && aTree->IsLeaf(node))
{
tuple = (*aTree)[node];
for(t = 0; t < tuple.size(); t++)
printf("\ncol:%d, text:%s",t,(char*) tuple[t]);
fflush(stdout);
}
}
else
{
for(j = 0; j < selections.size(); j++)
{
tuple = (*aTree)[selections[j]];
for(t = 0; t < tuple.size(); t++)
printf("\ncol:%d, text:%s",t,(char*) tuple[t]);
fflush(stdout);
}
}
return true;
}
/*
*/
bool
TreeComponent::ShowExtendedSelection(VDKObject* obj, GdkEvent*)
{
// downcast from VDKObj to VDKCustomTree
VDKCustomTree* aTree = dynamic_cast<VDKCustomTree*>(obj);
g_return_val_if_fail(aTree != NULL,false);
VDKTreeNodeArray& selections = aTree->Selections();
if(selections.size() > 1)
ShowSelection(obj);
printf("\nselection size:%d",selections.size());
fflush(stdout);
return false;
}
/*
*/
#define RAND_RANGE 20.0
bool
TreeComponent::BuildTree(VDKObject*)
{
VDKTreeNode node;
int t = 0,siblings = 3;
int depth = 2;
char* text = &buff[0];
tree->Freeze();
// add a root + 3 siblings
sprintf(buff,"Folder 1");
node = tree->AddNode(&text,NULL,
true,false, mini_cfolder_xpm, mini_ofolder_xpm);
for(t = 0; t < siblings; t++)
{
sprintf(buff,"File %d",t);
tree->AddNode(&text,node,false,true,testo_xpm);
}
// add a root + depth childs + a sibling
sprintf(buff,"Folder 2");
node = tree->AddNode(&text,NULL,
true,false, mini_cfolder_xpm, mini_ofolder_xpm);
for(t = 0; t < depth; t++)
{
sprintf(buff,"Folder %d",t+3);
node = tree->AddNode(&text,node,
true,false, mini_cfolder_xpm, mini_ofolder_xpm);
}
sprintf(buff,"File 1");
tree->AddNode(&text,node,false,true,testo_xpm);
// add again a root + 10 siblings
siblings = 10;
sprintf(buff,"Folder 5");
node = tree->AddNode(&text,NULL,
true,false, mini_cfolder_xpm, mini_ofolder_xpm);
for(t = 0; t < siblings; t++)
{
sprintf(buff,"File %d",t);
tree->AddNode(&text,node,false,true,testo_xpm);
}
tree->Thaw();
build->Enabled = false;
remove->Enabled = true;
// select first node
tree->SelectedNode = NULL;
return true;
}
///////////////////////////////////////////////////
void
TreeComponent::Setup()
{
tree = new VDKCustomTree(Owner(),MAX_TITLES,titles,GTK_SELECTION_EXTENDED);
// set tree properties
tree->LineStyle = GTK_CTREE_LINES_DOTTED;
tree->ActiveTitle(0,false);
// tree->Font = new VDKFont(Owner(),"helvetica 12");
Add(tree);
//
VDKFrame * frame = new VDKFrame(Owner(),NULL,h_box);
remove = new VDKCustomButton(Owner(),"Remove selected nodes");
build = new VDKCustomButton(Owner(),"Rebuild tree");
clear = new VDKCustomButton(Owner(),"Clear tree");
expand = new VDKCustomButton(Owner(),"Expand/Collapse");
frame->Add(remove,l_justify);
frame->Add(clear,l_justify);
frame->Add(build,l_justify);
frame->Add(expand,l_justify);
Add(frame,l_justify,false,false,false);
// load tree
BuildTree(NULL);
// when mouse is released shows multiple selections (if any)
EventConnect(tree,"button_release_event",
&TreeComponent::ShowExtendedSelection);
printf("\ntree size:%d",tree->Size());
fflush(stdout);
}
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