void JObjectTree::Traverse( TraverseCallback callback, void* pContext ) const
{
if (!m_pRoot) return;
float nodeW = m_NodeWidth;
float nodeVisH = m_NodeHeight;
Frame ext( m_RootPos.x, m_RootPos.y, nodeW, nodeVisH );
// find node path for tree expansion
static std::vector<int> nodePath;
nodePath.clear();
JObject* pCurObj = m_pExpanded;
if (pCurObj) nodePath.push_back( 0 );
while (pCurObj && pCurObj != m_pRoot)
{
JObject* pParent = pCurObj->GetParent();
if (!pParent) break;
nodePath.push_back( pParent->GetChildIndex( pCurObj ) );
pCurObj = pParent;
}
// traverse root node (which is never collapsed)
if ((this->*callback)( ext, m_pRoot, (m_pExpanded != NULL), pContext ) == false) return;
// traverse along expansion path
pCurObj = m_pRoot;
for (int i = nodePath.size() - 1; i >= 0; i--)
{
int childIdx = nodePath[i];
if (!pCurObj) break;
int nCh = pCurObj->GetNChildren();
if (childIdx >= nCh) break;
float blockH = float( nCh )*nodeVisH;
ext.y = ext.y - blockH*0.5f + nodeVisH*0.5f;
ext.x += nodeW;
float cY = ext.y;
for (int j = 0; j < nCh; j++)
{
JObject* pChild = pCurObj->GetChild( j );
Frame chExt( ext );
chExt.y = cY;
bool bExpanded = (j == childIdx)&&(pCurObj != m_pExpanded);
if ((this->*callback)( chExt, pChild, bExpanded, pContext ) == false)
{
return;
}
cY += nodeVisH;
}
pCurObj = pCurObj->GetChild( childIdx );
ext.y += float( childIdx )*nodeVisH;
}
} // JObjectTree::Traverse
bool JObjectTree::DeleteNode()
{
if (!m_pSelected) return false;
JObject* pParent = m_pSelected->GetParent();
if (!pParent) return false;
int idx = pParent->GetChildIndex( m_pSelected );
pParent->RemoveChild( m_pSelected );
if (idx >= pParent->GetNChildren()) idx = pParent->GetNChildren() - 1;
if (idx < 0) idx = 0;
m_pSelected = pParent->GetChild( idx );
if (!m_pSelected) m_pSelected = pParent;
m_pExpanded = m_pSelected;
return true;
} // JObjectTree::DeleteNode
int JLuaServer::FnChildren( lua_State* pLua )
{
if (lua_gettop( pLua ) != 1)
{
rlog.err( "LUA: Incorrect command usage: <children>. "
"Function takes 1 argument (<objectRef>|<objectName>), but %d is provided", lua_gettop( pLua ) );
lua_settop( pLua, 0 );
lua_pushnil( pLua );
return 1;
}
JObject* pObj = NULL;
const char* pPath = lua_tostring( pLua, -1 );
if (pPath)
{
JLuaThread* pThread = reinterpret_cast<JLuaThread*>( pLua->userdata );
assert( pThread->m_pLua == pLua );
JObject* pRootObj = pThread->m_pRootObj;
pObj = g_pObjectServer->FindObject( pPath, NULL, pRootObj );
}
else
{
pObj = reinterpret_cast<JObject*>( lua_touserdata( pLua, -1 ) );
}
if (!pObj)
{
lua_pushnil( pLua );
return 1;
}
// return table with children
int nCh = pObj->GetNChildren();
lua_createtable( pLua, nCh, 0 );
lua_newtable( pLua );
for (int i = 0; i < nCh; i++)
{
// key
lua_pushnumber( pLua, i + 1 );
// value (child pointer)
lua_pushlightuserdata( pLua, pObj->GetChild( i ) );
lua_settable( pLua, -3 );
}
return 1;
} // JLuaServer::FnChildren
void JBoundsEditor::CreateEditor( JObject* pEdited )
{
JObject* pTemplates = g_pObjectServer->FindObject( "templates", this );
JObject* pEditors = GetEditorsGroup();
if (pTemplates == NULL || pEditors == NULL)
{
return;
}
int nTemplates = pTemplates->GetNChildren();
JString editorName;
for (int i = 0; i < nTemplates; i++)
{
JWidget* pTemplate = obj_cast<JWidget>( pTemplates->GetChild( i ) );
if (pTemplate && is_a( pEdited, pTemplate->GetName() ))
{
// this object can be edited with this editor template
editorName = pEdited->GetName();
editorName += "_";
editorName += pTemplate->GetName();
editorName += "_editor";
JObject* pEditor = pTemplate->Clone( pEditors, editorName.c_str(), true );
pEditors->AddChild( pEditor );
JBoundsEditContext ctx;
ctx.m_pEdited = pEdited;
ctx.m_pEditor = pEditor;
pEdited->GetPath( ctx.m_Path );
m_Edited.push_back( ctx );
// parse property connections from text field
JString propcfg( pTemplate->GetText() );
char* propConfig = (char*)propcfg.c_str();
while (propConfig && *propConfig != 0)
{
char* editedVal = propConfig;
char* editorVal = propConfig + strcspn( propConfig, "<|" );
char& ch = *editorVal;
if (ch == '|')
{
ch = 0;
editorVal = "value";
}
else if (ch == '<')
{
*editorVal = 0;
editorVal++;
propConfig = editorVal + strcspn( editorVal, "|" );
if (*propConfig == '|')
{
*propConfig = 0;
propConfig++;
}
}
else if (ch == 0)
{
propConfig = 0;
editorVal = "value";
}
g_pSignalServer->Connect( pEditor, editorVal, pEdited, editedVal );
g_pSignalServer->Connect( pEdited, editedVal, pEditor, editorVal );
pEdited->SendSignal( editedVal );
g_pSignalServer->Connect( pEdited, "visible", pEditor, "visible" );
pEdited->SendSignal( "visible" );
}
}
}
}