wxWidgets/contrib/utils/wxrcedit/nodehnd.cpp

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/////////////////////////////////////////////////////////////////////////////
// Author: Vaclav Slavik
// Created: 2000/05/05
// RCS-ID: $Id$
// Copyright: (c) 2000 Vaclav Slavik
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "nodehnd.h"
#endif
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "nodehnd.h"
#include "wx/xml/xml.h"
#include "wx/filefn.h"
#include "wx/wx.h"
#include "wx/arrimpl.cpp"
#include "wx/textfile.h"
#include "wx/tokenzr.h"
#include "wx/listctrl.h"
#include "editor.h"
#include "treedt.h"
#include "xmlhelpr.h"
WX_DEFINE_OBJARRAY(NodeInfoArray);
void NodeInfo::Read(const wxString& filename)
{
HandlerType tp = HANDLER_NONE;
wxString nd, cht;
bool ab = FALSE;
long icn = -1;
Node.Empty();
wxPathList list;
list.Add(".");
list.Add("./df");
#ifdef __UNIX__
list.Add(wxGetHomeDir() + "/.wxrcedit");
#endif
wxString path = list.FindValidPath(filename);
if (path.IsEmpty()) return;
wxTextFile tf;
tf.Open(path);
if (!tf.IsOpened()) return;
for (size_t i = 0; i < tf.GetLineCount(); i++)
{
if (tf[i].IsEmpty() || tf[i][0] == '#') continue;
wxStringTokenizer tkn(tf[i], ' ');
wxString s = tkn.GetNextToken();
if (s == "node")
nd = tkn.GetNextToken();
else if (s == "childtype")
cht = tkn.GetNextToken();
else if (s == "icon")
tkn.GetNextToken().ToLong(&icn);
else if (s == "derived")
{
if (tkn.GetNextToken() == "from")
{
s = tkn.GetNextToken();
DerivedFrom.Add(s);
Read(s + ".df");
}
}
else if (s == "abstract")
ab = true;
else if (s == "type")
{
s = tkn.GetNextToken();
if (s == "sizer") tp = HANDLER_SIZER;
else if (s == "sizeritem") tp = HANDLER_SIZERITEM;
else if (s == "panel") tp = HANDLER_PANEL;
else /*if (s == "normal")*/ tp = HANDLER_NORMAL;
}
else if (s == "var")
{
PropertyInfo pi;
pi.Name = tkn.GetNextToken();
tkn.GetNextToken();
wxString typ = tkn.GetNextToken();
if (tkn.HasMoreTokens()) pi.MoreInfo = tkn.GetNextToken();
if (typ == "color") pi.Type = PROP_COLOR;
else if (typ == "flags") pi.Type = PROP_FLAGS;
else if (typ == "bool") pi.Type = PROP_BOOL;
else if (typ == "integer") pi.Type = PROP_INTEGER;
else if (typ == "coord") pi.Type = PROP_COORD;
else /*if (typ == "text")*/ pi.Type = PROP_TEXT;
bool fnd = FALSE;
for (size_t j = 0; j < Props.GetCount(); j++)
{
if (Props[j].Name == pi.Name)
{
if (Props[j].Type == pi.Type && pi.Type == PROP_FLAGS)
Props[j].MoreInfo << ',' << pi.MoreInfo;
else
Props[j] = pi;
fnd = TRUE;
}
}
if (!fnd) Props.Add(pi);
}
}
if (!nd.IsEmpty()) Node = nd;
if (!cht.IsEmpty()) ChildType = cht;
if (tp != HANDLER_NONE) Type = tp;
if (icn != -1) Icon = icn;
Abstract = ab;
}
NodeHandler *NodeHandler::CreateFromFile(const wxString& filename, EditorFrame *frame)
{
NodeHandler *hnd = NULL;
if (s_AllNodes == NULL) s_AllNodes = new NodeInfoArray;
NodeInfo *ni = new NodeInfo;
ni->Type = HANDLER_NONE;
ni->Icon = 0;
ni->Read(filename);
s_AllNodes->Add(*ni); // add a copy
if (ni->Type == HANDLER_NONE || ni->Node.IsEmpty() || ni->Abstract)
return NULL;
switch (ni->Type)
{
case HANDLER_PANEL:
hnd = new NodeHandlerPanel(frame, ni);
break;
case HANDLER_SIZER:
hnd = new NodeHandlerSizer(frame, ni);
break;
case HANDLER_SIZERITEM:
hnd = new NodeHandlerSizerItem(frame, ni);
break;
default:
hnd = new NodeHandler(frame, ni);
break;
}
return hnd;
}
PropertyHandler* NodeHandler::s_PropHandlers[PROP_TYPES_CNT] = {NULL};
int NodeHandler::s_RefCnt = 0;
NodeInfoArray* NodeHandler::s_AllNodes = NULL;
NodeHandler::NodeHandler(EditorFrame *frame, NodeInfo *ni) :
m_NodeInfo(ni)
{
if (s_RefCnt++ == 0) CreatePropHandlers();
}
void NodeHandler::CreatePropHandlers()
{
s_PropHandlers[PROP_TEXT] = new TextPropertyHandler;
s_PropHandlers[PROP_FLAGS] = new FlagsPropertyHandler;
s_PropHandlers[PROP_COLOR] = new TextPropertyHandler;
s_PropHandlers[PROP_BOOL] = new BoolPropertyHandler;
s_PropHandlers[PROP_INTEGER] = new TextPropertyHandler;
s_PropHandlers[PROP_COORD] = new CoordPropertyHandler;
}
NodeHandler::~NodeHandler()
{
if (--s_RefCnt == 0)
{
for (int i = 0; i < PROP_TYPES_CNT; i++)
delete s_PropHandlers[i];
delete s_AllNodes; s_AllNodes = NULL;
}
delete m_NodeInfo;
}
bool NodeHandler::CanHandle(wxXmlNode *node)
{
return (m_NodeInfo->Node == node->GetName());
}
wxTreeItemId NodeHandler::CreateTreeNode(wxTreeCtrl *treectrl,
wxTreeItemId parent,
wxXmlNode *node)
{
int icon = GetTreeIcon(node);
wxTreeItemId item =
treectrl->AppendItem(parent, GetTreeString(node),
icon, icon, new XmlTreeData(node));
if (parent == treectrl->GetRootItem())
treectrl->SetItemBold(item);
return item;
}
wxString NodeHandler::GetTreeString(wxXmlNode *node)
{
wxString xmlid = node->GetPropVal("name", "");
if (xmlid.IsEmpty())
return node->GetName();
else
return (node->GetName() + " '" + xmlid + "'");
}
void NodeHandler::CreatePropsList(wxListCtrl *listctrl, wxXmlNode *node)
{
int index;
for (size_t i = 0; i < m_NodeInfo->Props.GetCount(); i++)
{
PropertyInfo *p = &(m_NodeInfo->Props[i]);
index = s_PropHandlers[p->Type]->CreateListItem(listctrl, node, p);
listctrl->SetItemData(index, (long)new PropsListInfo(
index, s_PropHandlers[p->Type], node,
p, listctrl));
}
}
wxPanel *NodeHandler::CreatePropEditPanel(wxWindow *parent, wxListCtrl *listctrl, int index)
{
PropsListInfo *pli = (PropsListInfo*)listctrl->GetItemData(index);
return pli->m_Handler->CreateEditPanel(parent, pli);
}
wxArrayString& NodeHandler::GetChildTypes()
{
if (m_ChildTypes.IsEmpty())
{
wxString basetype = m_NodeInfo->ChildType;
for (size_t i = 0; i < s_AllNodes->GetCount(); i++)
{
NodeInfo &ni = (*s_AllNodes)[i];
if (ni.Node == basetype && !ni.Abstract)
m_ChildTypes.Add(ni.Node);
if (ni.DerivedFrom.Index(basetype) != wxNOT_FOUND && !ni.Abstract)
m_ChildTypes.Add(ni.Node);
}
m_ChildTypes.Sort();
}
return m_ChildTypes;
}
void NodeHandler::InsertNode(wxXmlNode *parent, wxXmlNode *node, wxXmlNode *insert_before)
{
delete node;
wxLogError(_("Cannot insert child into this type of node!"));
}
wxTreeItemId NodeHandlerPanel::CreateTreeNode(wxTreeCtrl *treectrl,
wxTreeItemId parent,
wxXmlNode *node)
{
wxTreeItemId root = NodeHandler::CreateTreeNode(treectrl, parent, node);
wxXmlNode *n = XmlFindNode(node, "children");
if (n) n = n->GetChildren();
while (n)
{
if (n->GetType() == wxXML_ELEMENT_NODE)
EditorFrame::Get()->CreateTreeNode(treectrl, root, n);
n = n->GetNext();
}
treectrl->Expand(root);
return root;
}
void NodeHandlerPanel::InsertNode(wxXmlNode *parent, wxXmlNode *node, wxXmlNode *insert_before)
{
wxXmlNode *cnd = XmlFindNode(parent, "children");
if (cnd == NULL)
{
cnd = new wxXmlNode(wxXML_ELEMENT_NODE, "children");
parent->AddChild(cnd);
}
if (insert_before)
cnd->InsertChild(node, insert_before);
else
cnd->AddChild(node);
EditorFrame::Get()->NotifyChanged(CHANGED_TREE);
}
void NodeHandlerSizer::InsertNode(wxXmlNode *parent, wxXmlNode *node, wxXmlNode *insert_before)
{
wxXmlNode *cnd = XmlFindNode(parent, "children");
if (cnd == NULL)
{
cnd = new wxXmlNode(wxXML_ELEMENT_NODE, "children");
parent->AddChild(cnd);
}
if (node->GetName() == "spacer")
{
if (insert_before)
cnd->InsertChild(node, insert_before);
else
cnd->AddChild(node);
}
else
{
wxXmlNode *itemnode = new wxXmlNode(wxXML_ELEMENT_NODE, "sizeritem");
wxXmlNode *winnode = new wxXmlNode(wxXML_ELEMENT_NODE, "window");
itemnode->AddChild(winnode);
winnode->AddChild(node);
if (insert_before)
cnd->InsertChild(itemnode, insert_before);
else
cnd->AddChild(itemnode);
}
EditorFrame::Get()->NotifyChanged(CHANGED_TREE);
}
int NodeHandlerSizer::GetTreeIcon(wxXmlNode *node)
{
if (XmlReadValue(node, "orient") == "wxVERTICAL") return 2;
else return 3;
}
wxTreeItemId NodeHandlerSizerItem::CreateTreeNode(wxTreeCtrl *treectrl,
wxTreeItemId parent,
wxXmlNode *node)
{
wxTreeItemId root;
root = EditorFrame::Get()->CreateTreeNode(treectrl, parent, GetRealNode(node));
((XmlTreeData*)treectrl->GetItemData(root))->Node = node;
treectrl->Expand(root);
return root;
}
void NodeHandlerSizerItem::CreatePropsList(wxListCtrl *listctrl, wxXmlNode *node)
{
NodeHandler::CreatePropsList(listctrl, node);
int item = listctrl->GetItemCount();
listctrl->InsertItem(item, "------");
listctrl->SetItemImage(item, 0, 0);
EditorFrame::Get()->CreatePropsList(listctrl, GetRealNode(node));
}
wxString NodeHandlerSizerItem::GetTreeString(wxXmlNode *node)
{
wxXmlNode *n = GetRealNode(node);
return EditorFrame::Get()->FindHandler(n)->GetTreeString(n);
}
int NodeHandlerSizerItem::GetTreeIcon(wxXmlNode *node)
{
wxXmlNode *n = GetRealNode(node);
return EditorFrame::Get()->FindHandler(n)->GetTreeIcon(n);
}
wxXmlNode *NodeHandlerSizerItem::GetRealNode(wxXmlNode *node)
{
wxXmlNode *n = XmlFindNode(node, "window");
if (n) n = n->GetChildren();
while (n)
{
if (n->GetType() == wxXML_ELEMENT_NODE)
return n;
n = n->GetNext();
}
return NULL;
}