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support PG11
Поддержка PostgreSQL 11 только для Windows
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levinsv
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398
ctl/ctlTree.cpp
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398
ctl/ctlTree.cpp
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//////////////////////////////////////////////////////////////////////////
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//
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// pgAdmin III - PostgreSQL Tools
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//
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// Copyright (C) 2002 - 2016, The pgAdmin Development Team
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// This software is released under the PostgreSQL Licence
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//
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// ctlTree.cpp - wxTreeCtrl containing pgObjects
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//
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//////////////////////////////////////////////////////////////////////////
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// wxWindows headers
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#include <wx/wx.h>
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// App headers
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#include "pgAdmin3.h"
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#include "ctl/ctlTree.h"
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#include "schema/pgObject.h"
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#include "schema/pgCollection.h"
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#include "schema/pgServer.h"
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BEGIN_EVENT_TABLE(ctlTree, wxTreeCtrl)
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EVT_CHAR(ctlTree::OnChar)
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END_EVENT_TABLE()
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wxTreeItemId ctlTree::FindItem(const wxTreeItemId &idParent, const wxString &prefixOrig)
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{
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// match is case insensitive as this is more convenient to the user: having
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// to press Shift-letter to go to the item starting with a capital letter
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// would be too bothersome
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wxString prefix = prefixOrig.Lower();
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// determine the starting point: we shouldn't take the current item (this
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// allows to switch between two items starting with the same letter just by
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// pressing it) but we shouldn't jump to the next one if the user is
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// continuing to type as otherwise he might easily skip the item he wanted
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wxTreeItemId id = idParent;
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if ( prefix.length() == 1 )
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{
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wxCookieType cookie;
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if (HasChildren(id))
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id = GetFirstChild(id, cookie);
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else
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{
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// Try a sibling of this or ancestor instead
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wxTreeItemId p = id;
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wxTreeItemId toFind;
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do
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{
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toFind = GetNextSibling(p);
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p = GetItemParent(p);
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}
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while (p.IsOk() && !toFind.IsOk());
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id = toFind;
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}
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}
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// look for the item starting with the given prefix after it
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while ( id.IsOk() &&
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( ( GetItemText(id) == wxT("Dummy") && !GetItemData(id) ) ||
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!GetItemText(id).Lower().StartsWith(prefix) ))
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{
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wxCookieType cookie;
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if ( HasChildren(id) )
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id = GetFirstChild(id, cookie);
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else
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{
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// Try a sibling of this or ancestor instead
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wxTreeItemId p = id;
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wxTreeItemId toFind;
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do
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{
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toFind = GetNextSibling(p);
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p = GetItemParent(p);
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}
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while (p.IsOk() && !toFind.IsOk());
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id = toFind;
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}
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}
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// if we haven't found anything...
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if ( !id.IsOk() )
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{
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// ... wrap to the beginning
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id = GetRootItem();
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if ( HasFlag(wxTR_HIDE_ROOT) )
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{
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wxCookieType cookie;
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// can't select virtual root
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if ( HasChildren(id) )
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id = GetFirstChild(id, cookie);
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else
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{
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// Try a sibling of this or ancestor instead
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wxTreeItemId p = id;
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wxTreeItemId toFind;
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do
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{
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toFind = GetNextSibling(p);
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p = GetItemParent(p);
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}
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while (p.IsOk() && !toFind.IsOk());
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id = toFind;
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}
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}
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// and try all the items (stop when we get to the one we started from)
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while ( id.IsOk() && id != idParent &&
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(( GetItemText(id) == wxT("Dummy") && !GetItemData(id) ) ||
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!GetItemText(id).Lower().StartsWith(prefix) ))
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{
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wxCookieType cookie;
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if ( HasChildren(id) )
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id = GetFirstChild(id, cookie);
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else
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{
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// Try a sibling of this or ancestor instead
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wxTreeItemId p = id;
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wxTreeItemId toFind;
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do
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{
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toFind = GetNextSibling(p);
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p = GetItemParent(p);
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}
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while (p.IsOk() && !toFind.IsOk());
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id = toFind;
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}
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}
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// If we haven't found the item, id.IsOk() will be false, as per
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// documentation
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}
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return id;
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}
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void ctlTree::OnChar(wxKeyEvent &event)
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{
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int keyCode = event.GetKeyCode();
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if ( !event.HasModifiers() &&
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((keyCode >= '0' && keyCode <= '9') ||
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(keyCode >= 'a' && keyCode <= 'z') ||
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(keyCode >= 'A' && keyCode <= 'Z')))
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{
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wxTreeItemId currItem = GetSelection();
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if (!currItem.IsOk())
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return;
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wxTreeItemId matchItem = FindItem(currItem, m_findPrefix + (wxChar)keyCode);
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if ( matchItem.IsOk() )
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{
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EnsureVisible(matchItem);
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SelectItem(matchItem);
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m_findPrefix += (wxChar)keyCode;
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// also start the timer to reset the current prefix if the user
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// doesn't press any more alnum keys soon -- we wouldn't want
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// to use this prefix for a new item search
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if ( !m_findTimer )
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{
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m_findTimer = new ctlTreeFindTimer(this);
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}
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m_findTimer->Start(ctlTreeFindTimer::CTLTREE_DELAY, wxTIMER_ONE_SHOT);
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return;
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}
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}
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else
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{
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event.Skip(true);
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}
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}
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ctlTree::ctlTree(wxWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size, long style)
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: wxTreeCtrl(parent, id, pos, size, style), m_findTimer(NULL)
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{
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}
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ctlTree::~ctlTree()
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{
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if ( m_findTimer )
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delete m_findTimer;
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m_findTimer = NULL;
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}
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void ctlTree::RemoveDummyChild(pgObject *obj)
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{
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wxCookieType cookie;
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wxTreeItemId childItem = GetFirstChild(obj->GetId(), cookie);
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if (childItem && !GetItemData(childItem))
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{
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// The child was a dummy item, which will be replaced by the following ShowTreeDetail by true items
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Delete(childItem);
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}
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}
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pgObject *ctlTree::GetObject(wxTreeItemId id)
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{
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if (id)
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return (pgObject *)GetItemData(id);
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return 0;
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}
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pgCollection *ctlTree::GetParentCollection(wxTreeItemId id)
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{
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pgCollection *coll = (pgCollection *)GetParentObject(id);
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if (coll && coll->IsCollection())
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return coll;
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return 0;
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}
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void ctlTree::SetItemImage(const wxTreeItemId &item, int image, wxTreeItemIcon which)
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{
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wxTreeCtrl::SetItemImage(item, image, which);
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wxTreeItemData *data = GetItemData(item);
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// Set the item colour
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if (data)
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{
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if (((pgObject *)data)->GetMetaType() == PGM_SERVER)
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{
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if (!((pgServer *)data)->GetColour().IsEmpty())
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SetItemBackgroundColour(item, wxColour(((pgServer *)data)->GetColour()));
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}
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else if (((pgObject *)data)->GetServer())
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{
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if (!((pgObject *)data)->GetServer()->GetColour().IsEmpty())
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SetItemBackgroundColour(item, wxColour(((pgObject *)data)->GetServer()->GetColour()));
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}
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}
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}
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wxTreeItemId ctlTree::AppendItem(const wxTreeItemId &parent, const wxString &text, int image, int selImage, wxTreeItemData *data)
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{
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wxTreeItemId itm = wxTreeCtrl::AppendItem(parent, text, image, selImage, data);
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// Set the item colour
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if (data)
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{
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if (((pgObject *)data)->GetMetaType() == PGM_SERVER)
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{
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if (!((pgServer *)data)->GetColour().IsEmpty())
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SetItemBackgroundColour(itm, wxColour(((pgServer *)data)->GetColour()));
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}
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else if (((pgObject *)data)->GetServer())
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{
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if (!((pgObject *)data)->GetServer()->GetColour().IsEmpty())
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SetItemBackgroundColour(itm, wxColour(((pgObject *)data)->GetServer()->GetColour()));
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}
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}
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return itm;
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}
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wxTreeItemId ctlTree::AppendObject(pgObject *parent, pgObject *object)
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{
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wxString label;
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wxTreeItemId item;
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if (object->IsCollection())
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label = object->GetTypeName();
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else
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label = object->GetDisplayName();
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item = AppendItem(parent->GetId(), label, object->GetIconId(), -1, object);
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if (object->IsCollection())
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object->ShowTreeDetail(this);
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else if (object->WantDummyChild())
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AppendItem(object->GetId(), wxT("Dummy"));
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return item;
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}
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pgCollection *ctlTree::AppendCollection(pgObject *parent, pgaFactory &factory)
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{
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pgCollection *collection = factory.CreateCollection(parent);
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AppendObject(parent, collection);
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return collection;
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}
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pgObject *ctlTree::FindObject(pgaFactory &factory, wxTreeItemId parent)
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{
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wxCookieType cookie;
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wxTreeItemId item = GetFirstChild(parent, cookie);
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while (item)
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{
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pgObject *obj = (pgObject *)GetItemData(item);
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if (obj && obj->IsCreatedBy(factory))
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return obj;
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item = GetNextChild(parent, cookie);
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}
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return 0;
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}
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pgCollection *ctlTree::FindCollection(pgaFactory &factory, wxTreeItemId parent)
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{
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pgaFactory *cf = factory.GetCollectionFactory();
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if (!cf)
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return 0;
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pgCollection *collection = (pgCollection *)FindObject(*cf, parent);
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if (!collection || !collection->IsCollection())
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return 0;
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return collection;
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}
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void ctlTree::NavigateTree(int keyCode)
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{
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switch(keyCode)
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{
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case WXK_LEFT:
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{
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//If tree item has children and is expanded, collapse it, otherwise select it's parent if has one
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wxTreeItemId currItem = GetSelection();
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if (ItemHasChildren(currItem) && IsExpanded(currItem))
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{
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Collapse(currItem);
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}
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else
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{
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wxTreeItemId parent = GetItemParent(currItem);
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if (parent.IsOk())
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{
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SelectItem(currItem, false);
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SelectItem(parent, true);
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}
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}
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}
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break;
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case WXK_RIGHT:
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{
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//If tree item do not have any children ignore it,
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//otherwise expand it if not expanded, and select first child if already expanded
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wxTreeItemId currItem = GetSelection();
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if(ItemHasChildren(currItem))
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{
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if (!IsExpanded(currItem))
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{
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Expand(currItem);
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}
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else
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{
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wxCookieType cookie;
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wxTreeItemId firstChild = GetFirstChild(currItem, cookie);
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SelectItem(currItem, false);
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SelectItem(firstChild, true);
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}
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}
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}
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break;
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default:
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wxASSERT_MSG(false, _("Currently handles only right and left arrow key, other keys are working"));
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break;
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}
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}
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//////////////////////
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treeObjectIterator::treeObjectIterator(ctlTree *brow, pgObject *obj)
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{
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browser = brow;
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object = obj;
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}
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pgObject *treeObjectIterator::GetNextObject()
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{
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if (!object || !browser)
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return 0;
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if (!lastItem)
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lastItem = browser->GetFirstChild(object->GetId(), cookie);
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else
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lastItem = browser->GetNextChild(object->GetId(), cookie);
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if (lastItem)
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return browser->GetObject(lastItem);
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else
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object = 0;
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return 0;
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}
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