Merge pull request #1 from saurabhb17/develop

Added main functions

1 files changed, 1099 insertions, 0 deletions

diff --git a/pcbnew/tools/edit_tool.cpp b/pcbnew/tools/edit_tool.cpp
new file mode 100644
index 0000000..81d547b
--- /dev/null
+++ b/pcbnew/tools/edit_tool.cpp
@@ -0,0 +1,1099 @@
+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2013-2015 CERN
+ * @author Maciej Suminski <maciej.suminski@cern.ch>
+ * @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you may find one here:
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http://www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#include <limits>
+
+#include <class_board.h>
+#include <class_module.h>
+#include <class_edge_mod.h>
+#include <class_zone.h>
+#include <wxPcbStruct.h>
+#include <kiway.h>
+#include <class_draw_panel_gal.h>
+#include <module_editor_frame.h>
+
+#include <tool/tool_manager.h>
+#include <view/view_controls.h>
+#include <gal/graphics_abstraction_layer.h>
+#include <ratsnest_data.h>
+#include <confirm.h>
+
+#include <cassert>
+#include <boost/foreach.hpp>
+#include <boost/bind.hpp>
+
+#include "common_actions.h"
+#include "selection_tool.h"
+#include "edit_tool.h"
+#include "grid_helper.h"
+
+#include <router/router_tool.h>
+
+#include <dialogs/dialog_create_array.h>
+#include <dialogs/dialog_move_exact.h>
+#include <dialogs/dialog_track_via_properties.h>
+
+EDIT_TOOL::EDIT_TOOL() :
+    TOOL_INTERACTIVE( "pcbnew.InteractiveEdit" ), m_selectionTool( NULL ),
+    m_dragging( false ), m_editModules( false ), m_undoInhibit( 0 ),
+    m_updateFlag( KIGFX::VIEW_ITEM::NONE )
+{
+}
+
+
+void EDIT_TOOL::Reset( RESET_REASON aReason )
+{
+    m_dragging = false;
+    m_updateFlag = KIGFX::VIEW_ITEM::NONE;
+}
+
+
+bool EDIT_TOOL::Init()
+{
+    // Find the selection tool, so they can cooperate
+    m_selectionTool = static_cast<SELECTION_TOOL*>( m_toolMgr->FindTool( "pcbnew.InteractiveSelection" ) );
+
+    if( !m_selectionTool )
+    {
+        DisplayError( NULL, wxT( "pcbnew.InteractiveSelection tool is not available" ) );
+        return false;
+    }
+
+    // Vector storing track & via types, used for specifying 'Properties' menu entry condition
+    m_tracksViasType.push_back( PCB_TRACE_T );
+    m_tracksViasType.push_back( PCB_VIA_T );
+
+    // Add context menu entries that are displayed when selection tool is active
+    m_selectionTool->GetMenu().AddItem( COMMON_ACTIONS::editActivate, SELECTION_CONDITIONS::NotEmpty );
+    m_selectionTool->GetMenu().AddItem( COMMON_ACTIONS::rotate, SELECTION_CONDITIONS::NotEmpty );
+    m_selectionTool->GetMenu().AddItem( COMMON_ACTIONS::flip, SELECTION_CONDITIONS::NotEmpty );
+    m_selectionTool->GetMenu().AddItem( COMMON_ACTIONS::remove, SELECTION_CONDITIONS::NotEmpty );
+    m_selectionTool->GetMenu().AddItem( COMMON_ACTIONS::properties, SELECTION_CONDITIONS::Count( 1 )
+                                            || SELECTION_CONDITIONS::OnlyTypes( m_tracksViasType ) );
+    m_selectionTool->GetMenu().AddItem( COMMON_ACTIONS::moveExact, SELECTION_CONDITIONS::NotEmpty );
+    m_selectionTool->GetMenu().AddItem( COMMON_ACTIONS::duplicate, SELECTION_CONDITIONS::NotEmpty );
+    m_selectionTool->GetMenu().AddItem( COMMON_ACTIONS::createArray, SELECTION_CONDITIONS::NotEmpty );
+
+    // Footprint actions
+    m_selectionTool->GetMenu().AddItem( COMMON_ACTIONS::editFootprintInFpEditor,
+                                        SELECTION_CONDITIONS::OnlyType( PCB_MODULE_T ) &&
+                                        SELECTION_CONDITIONS::Count( 1 ) );
+
+    m_offset.x = 0;
+    m_offset.y = 0;
+
+    return true;
+}
+
+
+bool EDIT_TOOL::invokeInlineRouter()
+{
+    TRACK* track = uniqueSelected<TRACK>();
+    VIA* via = uniqueSelected<VIA>();
+
+    if( isUndoInhibited() )
+        return false;
+
+    if( track || via )
+    {
+        ROUTER_TOOL* theRouter = static_cast<ROUTER_TOOL*>( m_toolMgr->FindTool( "pcbnew.InteractiveRouter" ) );
+        assert( theRouter );
+
+        if( !theRouter->PNSSettings().InlineDragEnabled() )
+            return false;
+
+        TOOL_EVENT dummy;
+        m_selectionTool->ClearSelection( dummy );
+        m_toolMgr->RunAction( COMMON_ACTIONS::routerInlineDrag, true, track ? track : via );
+        return true;
+    }
+
+    return false;
+}
+
+
+int EDIT_TOOL::Main( const TOOL_EVENT& aEvent )
+{
+    KIGFX::VIEW_CONTROLS* controls = getViewControls();
+    PCB_BASE_EDIT_FRAME* editFrame = getEditFrame<PCB_BASE_EDIT_FRAME>();
+
+    VECTOR2I originalCursorPos = controls->GetCursorPosition();
+    const SELECTION& selection = m_selectionTool->GetSelection();
+
+    // Shall the selection be cleared at the end?
+    bool unselect = selection.Empty();
+
+    // Be sure that there is at least one item that we can modify. If nothing was selected before,
+    // try looking for the stuff under mouse cursor (i.e. Kicad old-style hover selection)
+    if( !hoverSelection( selection ) )
+        return 0;
+
+    Activate();
+
+    m_dragging = false;         // Are selected items being dragged?
+    bool restore = false;       // Should items' state be restored when finishing the tool?
+    bool lockOverride = false;
+
+    // By default, modified items need to update their geometry
+    m_updateFlag = KIGFX::VIEW_ITEM::GEOMETRY;
+
+    controls->ShowCursor( true );
+
+    // cumulative translation
+    wxPoint totalMovement( 0, 0 );
+
+    GRID_HELPER grid( editFrame );
+    OPT_TOOL_EVENT evt = aEvent;
+
+    // Main loop: keep receiving events
+    do
+    {
+        if( evt->IsCancel() )
+        {
+            restore = true; // Cancelling the tool means that items have to be restored
+            break;          // Finish
+        }
+
+        else if( evt->Action() == TA_UNDO_REDO )
+        {
+            unselect = true;
+            break;
+        }
+
+        else if( evt->IsAction( &COMMON_ACTIONS::editActivate )
+                || evt->IsMotion() || evt->IsDrag( BUT_LEFT ) )
+        {
+            BOARD_ITEM* item = selection.Item<BOARD_ITEM>( 0 );
+
+            if( m_dragging && evt->Category() == TC_MOUSE )
+            {
+                m_cursor = grid.BestSnapAnchor( evt->Position(), item );
+                controls->ForceCursorPosition( true, m_cursor );
+
+                wxPoint movement = wxPoint( m_cursor.x, m_cursor.y ) - item->GetPosition();
+                totalMovement += movement;
+
+                // Drag items to the current cursor position
+                for( unsigned int i = 0; i < selection.items.GetCount(); ++i )
+                    selection.Item<BOARD_ITEM>( i )->Move( movement + m_offset );
+
+                updateRatsnest( true );
+            }
+            else if( !m_dragging )    // Prepare to start dragging
+            {
+                if( !invokeInlineRouter() )
+                {
+                    m_selectionTool->SanitizeSelection();
+
+                    if( selection.Empty() )
+                        break;
+
+                    // deal with locked items (override lock or abort the operation)
+                    SELECTION_LOCK_FLAGS lockFlags = m_selectionTool->CheckLock();
+
+                    if( lockFlags == SELECTION_LOCKED )
+                        break;
+                    else if( lockFlags == SELECTION_LOCK_OVERRIDE )
+                        lockOverride = true;
+
+                    // Save items, so changes can be undone
+                    if( !isUndoInhibited() )
+                    {
+                        editFrame->OnModify();
+                        editFrame->SaveCopyInUndoList( selection.items, UR_CHANGED );
+                    }
+
+                    m_cursor = controls->GetCursorPosition();
+
+                    if( selection.Size() == 1 )
+                    {
+                        // Set the current cursor position to the first dragged item origin, so the
+                        // movement vector could be computed later
+                        m_cursor = grid.BestDragOrigin( originalCursorPos, item );
+                        grid.SetAuxAxes( true, m_cursor );
+                    }
+                    else
+                    {
+                        m_cursor = grid.Align( m_cursor );
+                    }
+
+                    controls->ForceCursorPosition( true, m_cursor );
+                    controls->WarpCursor( m_cursor, true );
+
+                    VECTOR2I o = VECTOR2I( item->GetPosition() );
+                    m_offset.x = o.x - m_cursor.x;
+                    m_offset.y = o.y - m_cursor.y;
+
+                    controls->SetAutoPan( true );
+                    m_dragging = true;
+                    incUndoInhibit();
+                }
+            }
+
+            selection.group->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
+            m_toolMgr->RunAction( COMMON_ACTIONS::pointEditorUpdate, true );
+        }
+
+        // Dispatch TOOL_ACTIONs
+        else if( evt->Category() == TC_COMMAND )
+        {
+            if( evt->IsAction( &COMMON_ACTIONS::rotate ) )
+            {
+                Rotate( aEvent );
+            }
+            else if( evt->IsAction( &COMMON_ACTIONS::flip ) )
+            {
+                Flip( aEvent );
+
+                // Flip causes change of layers
+                enableUpdateFlag( KIGFX::VIEW_ITEM::LAYERS );
+            }
+            else if( evt->IsAction( &COMMON_ACTIONS::remove ) )
+            {
+                Remove( aEvent );
+
+                break;       // exit the loop, as there is no further processing for removed items
+            }
+            else if( evt->IsAction( &COMMON_ACTIONS::duplicate ) )
+            {
+                // On duplicate, stop moving this item
+                // The duplicate tool should then select the new item and start
+                // a new move procedure
+                break;
+            }
+            else if( evt->IsAction( &COMMON_ACTIONS::moveExact ) )
+            {
+                // Can't do this, because the selection will then contain
+                // stale pointers and it will all go horribly wrong...
+                //editFrame->RestoreCopyFromUndoList( dummy );
+                //
+                // So, instead, reset the position manually
+                for( unsigned int i = 0; i < selection.items.GetCount(); ++i )
+                {
+                    BOARD_ITEM* item = selection.Item<BOARD_ITEM>( i );
+                    item->SetPosition( item->GetPosition() - totalMovement );
+
+                    // And what about flipping and rotation?
+                    // for now, they won't be undone, but maybe that is how
+                    // it should be, so you can flip and move exact in the
+                    // same action?
+                }
+
+                // This causes a double event, so we will get the dialogue
+                // correctly, somehow - why does Rotate not?
+                //MoveExact( aEvent );
+                break;      // exit the loop - we move exactly, so we have finished moving
+            }
+        }
+
+        else if( evt->IsMouseUp( BUT_LEFT ) || evt->IsClick( BUT_LEFT ) )
+        {
+            if( !lockOverride )
+                break; // Finish
+
+            lockOverride = false;
+        }
+    } while( evt = Wait() );
+
+    if( m_dragging )
+        decUndoInhibit();
+
+    m_dragging = false;
+    m_offset.x = 0;
+    m_offset.y = 0;
+
+    if( restore )
+    {
+        // Modifications have to be rollbacked, so restore the previous state of items
+        wxCommandEvent dummy;
+        editFrame->RestoreCopyFromUndoList( dummy );
+    }
+    else
+    {
+        // Changes are applied, so update the items
+        selection.group->ItemsViewUpdate( m_updateFlag );
+    }
+
+    if( unselect )
+        m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );
+
+    RN_DATA* ratsnest = getModel<BOARD>()->GetRatsnest();
+    ratsnest->ClearSimple();
+    ratsnest->Recalculate();
+
+    controls->ShowCursor( false );
+    controls->SetAutoPan( false );
+
+    return 0;
+}
+
+
+int EDIT_TOOL::Properties( const TOOL_EVENT& aEvent )
+{
+    const SELECTION& selection = m_selectionTool->GetSelection();
+    PCB_BASE_EDIT_FRAME* editFrame = getEditFrame<PCB_BASE_EDIT_FRAME>();
+
+    // Shall the selection be cleared at the end?
+    bool unselect = selection.Empty();
+
+    if( !hoverSelection( selection, false ) )
+        return 0;
+
+    // Tracks & vias are treated in a special way:
+    if( ( SELECTION_CONDITIONS::OnlyTypes( m_tracksViasType ) )( selection ) )
+    {
+        DIALOG_TRACK_VIA_PROPERTIES dlg( editFrame, selection );
+
+        if( dlg.ShowModal() )
+        {
+            RN_DATA* ratsnest = getModel<BOARD>()->GetRatsnest();
+
+            editFrame->OnModify();
+            editFrame->SaveCopyInUndoList( selection.items, UR_CHANGED );
+            dlg.Apply();
+
+            selection.ForAll<KIGFX::VIEW_ITEM>( boost::bind( &KIGFX::VIEW_ITEM::ViewUpdate, _1,
+                                                             KIGFX::VIEW_ITEM::ALL ) );
+            selection.ForAll<BOARD_ITEM>( boost::bind( &RN_DATA::Update, ratsnest, _1 ) );
+            ratsnest->Recalculate();
+        }
+    }
+    else if( selection.Size() == 1 ) // Properties are displayed when there is only one item selected
+    {
+        // Display properties dialog
+        BOARD_ITEM* item = selection.Item<BOARD_ITEM>( 0 );
+
+        // Store the head of the undo list to compare if anything has changed
+        std::vector<PICKED_ITEMS_LIST*>& undoList = editFrame->GetScreen()->m_UndoList.m_CommandsList;
+
+        // Some of properties dialogs alter pointers, so we should deselect them
+        m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );
+        STATUS_FLAGS flags = item->GetFlags();
+        item->ClearFlags();
+
+        // It is necessary to determine if anything has changed, so store the current undo save point
+        PICKED_ITEMS_LIST* undoSavePoint = undoList.empty() ? NULL : undoList.back();
+
+        // Display properties dialog provided by the legacy canvas frame
+        editFrame->OnEditItemRequest( NULL, item );
+
+        if( !undoList.empty() && undoList.back() != undoSavePoint )      // Undo buffer has changed
+        {
+            // Process changes stored after undoSavePoint
+            processUndoBuffer( undoSavePoint );
+
+            // Update the modified item
+            item->ViewUpdate();
+            RN_DATA* ratsnest = getModel<BOARD>()->GetRatsnest();
+            ratsnest->Recalculate();
+
+            // TODO OBSERVER! I miss you so much..
+            m_toolMgr->RunAction( COMMON_ACTIONS::pointEditorUpdate, true );
+        }
+
+        item->SetFlags( flags );
+    }
+
+    if( unselect )
+        m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );
+
+    return 0;
+}
+
+
+int EDIT_TOOL::Rotate( const TOOL_EVENT& aEvent )
+{
+    const SELECTION& selection = m_selectionTool->GetSelection();
+    PCB_BASE_EDIT_FRAME* editFrame = getEditFrame<PCB_BASE_EDIT_FRAME>();
+
+    // Shall the selection be cleared at the end?
+    bool unselect = selection.Empty();
+
+    if( !hoverSelection( selection ) || m_selectionTool->CheckLock() == SELECTION_LOCKED )
+        return 0;
+
+    wxPoint rotatePoint = getModificationPoint( selection );
+
+    // If it is being dragged, then it is already saved with UR_CHANGED flag
+    if( !isUndoInhibited() )
+    {
+        editFrame->OnModify();
+        editFrame->SaveCopyInUndoList( selection.items, UR_ROTATED, rotatePoint );
+    }
+
+    for( unsigned int i = 0; i < selection.items.GetCount(); ++i )
+    {
+        BOARD_ITEM* item = selection.Item<BOARD_ITEM>( i );
+
+        item->Rotate( rotatePoint, editFrame->GetRotationAngle() );
+
+        if( !m_dragging )
+            item->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
+    }
+
+    updateRatsnest( m_dragging );
+
+    // Update dragging offset (distance between cursor and the first dragged item)
+    m_offset = static_cast<BOARD_ITEM*>( selection.items.GetPickedItem( 0 ) )->GetPosition() -
+                                         rotatePoint;
+
+    if( m_dragging )
+        selection.group->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
+    else
+        getModel<BOARD>()->GetRatsnest()->Recalculate();
+
+    if( unselect )
+        m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );
+
+    m_toolMgr->RunAction( COMMON_ACTIONS::pointEditorUpdate, true );
+
+    return 0;
+}
+
+
+int EDIT_TOOL::Flip( const TOOL_EVENT& aEvent )
+{
+    const SELECTION& selection = m_selectionTool->GetSelection();
+    PCB_BASE_FRAME* editFrame = getEditFrame<PCB_BASE_FRAME>();
+
+    // Shall the selection be cleared at the end?
+    bool unselect = selection.Empty();
+
+    if( !hoverSelection( selection ) || m_selectionTool->CheckLock() == SELECTION_LOCKED )
+        return 0;
+
+    wxPoint flipPoint = getModificationPoint( selection );
+
+    if( !isUndoInhibited() )   // If it is being dragged, then it is already saved with UR_CHANGED flag
+    {
+        editFrame->OnModify();
+        editFrame->SaveCopyInUndoList( selection.items, UR_FLIPPED, flipPoint );
+    }
+
+    for( unsigned int i = 0; i < selection.items.GetCount(); ++i )
+    {
+        BOARD_ITEM* item = selection.Item<BOARD_ITEM>( i );
+
+        item->Flip( flipPoint );
+
+        if( !m_dragging )
+            item->ViewUpdate( KIGFX::VIEW_ITEM::LAYERS );
+    }
+
+    updateRatsnest( m_dragging );
+
+    // Update dragging offset (distance between cursor and the first dragged item)
+    m_offset = static_cast<BOARD_ITEM*>( selection.items.GetPickedItem( 0 ) )->GetPosition() -
+                                         flipPoint;
+
+    if( m_dragging )
+        selection.group->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
+    else
+        getModel<BOARD>()->GetRatsnest()->Recalculate();
+
+    if( unselect )
+        m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );
+
+    m_toolMgr->RunAction( COMMON_ACTIONS::pointEditorUpdate, true );
+
+    return 0;
+}
+
+
+int EDIT_TOOL::Remove( const TOOL_EVENT& aEvent )
+{
+    const SELECTION& selection = m_selectionTool->GetSelection();
+
+    if( !hoverSelection( selection ) || m_selectionTool->CheckLock() == SELECTION_LOCKED )
+        return 0;
+
+    // Get a copy of the selected items set
+    PICKED_ITEMS_LIST selectedItems = selection.items;
+    PCB_BASE_FRAME* editFrame = getEditFrame<PCB_BASE_FRAME>();
+
+    // As we are about to remove items, they have to be removed from the selection first
+    m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );
+
+    // Save them
+    for( unsigned int i = 0; i < selectedItems.GetCount(); ++i )
+        selectedItems.SetPickedItemStatus( UR_DELETED, i );
+
+    editFrame->OnModify();
+    editFrame->SaveCopyInUndoList( selectedItems, UR_DELETED );
+
+    // And now remove
+    for( unsigned int i = 0; i < selectedItems.GetCount(); ++i )
+        remove( static_cast<BOARD_ITEM*>( selectedItems.GetPickedItem( i ) ) );
+
+    getModel<BOARD>()->GetRatsnest()->Recalculate();
+
+    return 0;
+}
+
+
+void EDIT_TOOL::remove( BOARD_ITEM* aItem )
+{
+    BOARD* board = getModel<BOARD>();
+
+    switch( aItem->Type() )
+    {
+    case PCB_MODULE_T:
+    {
+        MODULE* module = static_cast<MODULE*>( aItem );
+        module->ClearFlags();
+        module->RunOnChildren( boost::bind( &KIGFX::VIEW::Remove, getView(), _1 ) );
+
+        // Module itself is deleted after the switch scope is finished
+        // list of pads is rebuild by BOARD::BuildListOfNets()
+
+        // Clear flags to indicate, that the ratsnest, list of nets & pads are not valid anymore
+        board->m_Status_Pcb = 0;
+    }
+    break;
+
+    // Default removal procedure
+    case PCB_MODULE_TEXT_T:
+    {
+        TEXTE_MODULE* text = static_cast<TEXTE_MODULE*>( aItem );
+
+        switch( text->GetType() )
+        {
+            case TEXTE_MODULE::TEXT_is_REFERENCE:
+                DisplayError( getEditFrame<PCB_BASE_FRAME>(), _( "Cannot delete component reference." ) );
+                return;
+
+            case TEXTE_MODULE::TEXT_is_VALUE:
+                DisplayError( getEditFrame<PCB_BASE_FRAME>(), _( "Cannot delete component value." ) );
+                return;
+
+            case TEXTE_MODULE::TEXT_is_DIVERS:    // suppress warnings
+                break;
+        }
+
+        if( m_editModules )
+        {
+            MODULE* module = static_cast<MODULE*>( aItem->GetParent() );
+            module->SetLastEditTime();
+            board->m_Status_Pcb = 0; // it is done in the legacy view
+            aItem->DeleteStructure();
+        }
+
+        return;
+    }
+
+    case PCB_PAD_T:
+    case PCB_MODULE_EDGE_T:
+    {
+        MODULE* module = static_cast<MODULE*>( aItem->GetParent() );
+        module->SetLastEditTime();
+
+        board->m_Status_Pcb = 0; // it is done in the legacy view
+
+
+        if( !m_editModules )
+        {
+            getView()->Remove( aItem );
+            board->Remove( aItem );
+        }
+
+        aItem->DeleteStructure();
+
+        return;
+    }
+
+    case PCB_LINE_T:                // a segment not on copper layers
+    case PCB_TEXT_T:                // a text on a layer
+    case PCB_TRACE_T:               // a track segment (segment on a copper layer)
+    case PCB_VIA_T:                 // a via (like track segment on a copper layer)
+    case PCB_DIMENSION_T:           // a dimension (graphic item)
+    case PCB_TARGET_T:              // a target (graphic item)
+    case PCB_MARKER_T:              // a marker used to show something
+    case PCB_ZONE_T:                // SEG_ZONE items are now deprecated
+    case PCB_ZONE_AREA_T:
+        break;
+
+    default:                        // other types do not need to (or should not) be handled
+        assert( false );
+        return;
+    }
+
+    getView()->Remove( aItem );
+    board->Remove( aItem );
+}
+
+
+int EDIT_TOOL::MoveExact( const TOOL_EVENT& aEvent )
+{
+    const SELECTION& selection = m_selectionTool->GetSelection();
+
+    // Shall the selection be cleared at the end?
+    bool unselect = selection.Empty();
+
+    if( !hoverSelection( selection ) || m_selectionTool->CheckLock() == SELECTION_LOCKED )
+        return 0;
+
+    wxPoint translation;
+    double rotation = 0;
+
+    PCB_BASE_FRAME* editFrame = getEditFrame<PCB_BASE_FRAME>();
+
+    DIALOG_MOVE_EXACT dialog( editFrame, translation, rotation );
+    int ret = dialog.ShowModal();
+
+    if( ret == wxID_OK )
+    {
+        if( !isUndoInhibited() )
+        {
+            editFrame->OnModify();
+            // Record an action of move and rotate
+            editFrame->SaveCopyInUndoList( selection.items, UR_CHANGED );
+        }
+
+        VECTOR2I rp = selection.GetCenter();
+        wxPoint rotPoint( rp.x, rp.y );
+
+        for( unsigned int i = 0; i < selection.items.GetCount(); ++i )
+        {
+            BOARD_ITEM* item = selection.Item<BOARD_ITEM>( i );
+
+            item->Move( translation );
+            item->Rotate( rotPoint, rotation );
+
+            if( !m_dragging )
+                item->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
+        }
+
+        updateRatsnest( m_dragging );
+
+        if( m_dragging )
+            selection.group->ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY );
+        else
+            getModel<BOARD>()->GetRatsnest()->Recalculate();
+
+        if( unselect )
+            m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );
+
+        m_toolMgr->RunAction( COMMON_ACTIONS::pointEditorUpdate, true );
+    }
+
+    return 0;
+}
+
+
+int EDIT_TOOL::Duplicate( const TOOL_EVENT& aEvent )
+{
+    // Note: original items are no more modified.
+
+    bool increment = aEvent.IsAction( &COMMON_ACTIONS::duplicateIncrement );
+
+    // first, check if we have a selection, or try to get one
+    SELECTION_TOOL* selTool = m_toolMgr->GetTool<SELECTION_TOOL>();
+    const SELECTION& selection = selTool->GetSelection();
+
+    // Be sure that there is at least one item that we can modify
+    if( !hoverSelection( selection ) )
+        return 0;
+
+    // we have a selection to work on now, so start the tool process
+
+    PCB_BASE_FRAME* editFrame = getEditFrame<PCB_BASE_FRAME>();
+    editFrame->OnModify();
+
+    // prevent other tools making undo points while the duplicate is going on
+    // so that if you cancel, you don't get a duplicate object hiding over
+    // the original
+    incUndoInhibit();
+
+    if( m_editModules )
+        editFrame->SaveCopyInUndoList( editFrame->GetBoard()->m_Modules, UR_MODEDIT );
+
+    std::vector<BOARD_ITEM*> old_items;
+
+    for( int i = 0; i < selection.Size(); ++i )
+    {
+        BOARD_ITEM* item = selection.Item<BOARD_ITEM>( i );
+
+        if( item )
+            old_items.push_back( item );
+    }
+
+    for( unsigned i = 0; i < old_items.size(); ++i )
+    {
+        BOARD_ITEM* item = old_items[i];
+
+        // Unselect the item, so we won't pick it up again
+        // Do this first, so a single-item duplicate will correctly call
+        // SetCurItem and show the item properties
+        m_toolMgr->RunAction( COMMON_ACTIONS::unselectItem, true, item );
+
+        BOARD_ITEM* new_item = NULL;
+
+        if( m_editModules )
+            new_item = editFrame->GetBoard()->m_Modules->DuplicateAndAddItem( item, increment );
+        else
+        {
+#if 0
+            // @TODO: see if we allow zone duplication here
+            // Duplicate zones is especially tricky (overlaping zones must be merged)
+            // so zones are not duplicated
+            if( item->Type() != PCB_ZONE_AREA_T )
+#endif
+            new_item = editFrame->GetBoard()->DuplicateAndAddItem( item, increment );
+        }
+
+        if( new_item )
+        {
+            if( new_item->Type() == PCB_MODULE_T )
+            {
+                static_cast<MODULE*>( new_item )->RunOnChildren( boost::bind( &KIGFX::VIEW::Add,
+                        getView(), _1 ) );
+            }
+
+            editFrame->GetGalCanvas()->GetView()->Add( new_item );
+
+            // Select the new item, so we can pick it up
+            m_toolMgr->RunAction( COMMON_ACTIONS::selectItem, true, new_item );
+        }
+    }
+
+    // record the new items as added
+    if( !m_editModules && !selection.Empty() )
+    {
+        editFrame->SaveCopyInUndoList( selection.items, UR_NEW );
+
+        editFrame->DisplayToolMsg( wxString::Format( _( "Duplicated %d item(s)" ),
+                (int) old_items.size() ) );
+
+        // If items were duplicated, pick them up
+        // this works well for "dropping" copies around
+        TOOL_EVENT evt = COMMON_ACTIONS::editActivate.MakeEvent();
+        Main( evt );
+    }
+
+    // and re-enable undos
+    decUndoInhibit();
+
+    return 0;
+}
+
+
+int EDIT_TOOL::CreateArray( const TOOL_EVENT& aEvent )
+{
+    // first, check if we have a selection, or try to get one
+    SELECTION_TOOL* selTool = m_toolMgr->GetTool<SELECTION_TOOL>();
+    const SELECTION& selection = selTool->GetSelection();
+
+    // Be sure that there is at least one item that we can modify
+    if( !hoverSelection( selection ) )
+        return 0;
+
+    // we have a selection to work on now, so start the tool process
+
+    PCB_BASE_FRAME* editFrame = getEditFrame<PCB_BASE_FRAME>();
+    editFrame->OnModify();
+
+    if( m_editModules )
+    {
+        // Module editors do their undo point upfront for the whole module
+        editFrame->SaveCopyInUndoList( editFrame->GetBoard()->m_Modules, UR_MODEDIT );
+    }
+
+    DIALOG_CREATE_ARRAY::ARRAY_OPTIONS* array_opts = NULL;
+
+    VECTOR2I rp = selection.GetCenter();
+    const wxPoint rotPoint( rp.x, rp.y );
+
+    DIALOG_CREATE_ARRAY dialog( editFrame, rotPoint, &array_opts );
+    int ret = dialog.ShowModal();
+
+    if( ret == wxID_OK && array_opts != NULL )
+    {
+        PICKED_ITEMS_LIST newItemList;
+
+        for( int i = 0; i < selection.Size(); ++i )
+        {
+            BOARD_ITEM* item = selection.Item<BOARD_ITEM>( i );
+
+            if( !item )
+                continue;
+
+            // iterate across the array, laying out the item at the
+            // correct position
+            const unsigned nPoints = array_opts->GetArraySize();
+
+            // The first item in list is the original item. We do not modify it
+            for( unsigned ptN = 1; ptN < nPoints; ++ptN )
+            {
+                BOARD_ITEM* newItem = NULL;
+
+                // Some items cannot be duplicated
+                // i.e. the ref and value fields of a footprint or zones
+                // therefore newItem can be null
+
+                #define INCREMENT_REF false
+                #define INCREMENT_PADNUMBER true
+
+                if( m_editModules )
+                    newItem = editFrame->GetBoard()->m_Modules->DuplicateAndAddItem(
+                                                            item, INCREMENT_PADNUMBER );
+                else
+                {
+#if 0
+                    // @TODO: see if we allow zone duplication here
+                    // Duplicate zones is especially tricky (overlaping zones must be merged)
+                    // so zones are not duplicated
+                    if( item->Type() == PCB_ZONE_AREA_T )
+                        newItem = NULL;
+                    else
+#endif
+                        newItem = editFrame->GetBoard()->DuplicateAndAddItem(
+                                                            item, INCREMENT_REF );
+                    // @TODO: we should merge zones. This is a bit tricky, because
+                    // the undo command needs saving old area, if it is merged.
+                }
+
+                if( newItem )
+                {
+                    array_opts->TransformItem( ptN, newItem, rotPoint );
+
+                    m_toolMgr->RunAction( COMMON_ACTIONS::unselectItem, true, newItem );
+
+                    newItemList.PushItem( newItem );
+
+                    if( newItem->Type() == PCB_MODULE_T)
+                    {
+                        static_cast<MODULE*>( newItem )->RunOnChildren( boost::bind( &KIGFX::VIEW::Add,
+                                getView(), _1 ) );
+                    }
+
+                    editFrame->GetGalCanvas()->GetView()->Add( newItem );
+                    getModel<BOARD>()->GetRatsnest()->Update( newItem );
+                }
+
+                // Only renumbering pads has meaning:
+                if( newItem && array_opts->ShouldRenumberItems() )
+                {
+                    if( newItem->Type() == PCB_PAD_T )
+                    {
+                        const wxString padName = array_opts->GetItemNumber( ptN );
+                        static_cast<D_PAD*>( newItem )->SetPadName( padName );
+                    }
+                }
+            }
+        }
+
+        if( !m_editModules )
+        {
+            // Add all items as a single undo point for PCB editors
+            editFrame->SaveCopyInUndoList( newItemList, UR_NEW );
+        }
+    }
+
+    getModel<BOARD>()->GetRatsnest()->Recalculate();
+
+    return 0;
+}
+
+
+void EDIT_TOOL::SetTransitions()
+{
+    Go( &EDIT_TOOL::Main,       COMMON_ACTIONS::editActivate.MakeEvent() );
+    Go( &EDIT_TOOL::Rotate,     COMMON_ACTIONS::rotate.MakeEvent() );
+    Go( &EDIT_TOOL::Flip,       COMMON_ACTIONS::flip.MakeEvent() );
+    Go( &EDIT_TOOL::Remove,     COMMON_ACTIONS::remove.MakeEvent() );
+    Go( &EDIT_TOOL::Properties, COMMON_ACTIONS::properties.MakeEvent() );
+    Go( &EDIT_TOOL::MoveExact,  COMMON_ACTIONS::moveExact.MakeEvent() );
+    Go( &EDIT_TOOL::Duplicate,  COMMON_ACTIONS::duplicate.MakeEvent() );
+    Go( &EDIT_TOOL::Duplicate,  COMMON_ACTIONS::duplicateIncrement.MakeEvent() );
+    Go( &EDIT_TOOL::CreateArray,COMMON_ACTIONS::createArray.MakeEvent() );
+    Go( &EDIT_TOOL::editFootprintInFpEditor, COMMON_ACTIONS::editFootprintInFpEditor.MakeEvent() );
+}
+
+
+void EDIT_TOOL::updateRatsnest( bool aRedraw )
+{
+    const SELECTION& selection = m_selectionTool->GetSelection();
+    RN_DATA* ratsnest = getModel<BOARD>()->GetRatsnest();
+
+    ratsnest->ClearSimple();
+
+    for( unsigned int i = 0; i < selection.items.GetCount(); ++i )
+    {
+        BOARD_ITEM* item = selection.Item<BOARD_ITEM>( i );
+
+        ratsnest->Update( item );
+
+        if( aRedraw )
+            ratsnest->AddSimple( item );
+    }
+}
+
+
+wxPoint EDIT_TOOL::getModificationPoint( const SELECTION& aSelection )
+{
+    if( aSelection.Size() == 1 )
+    {
+        return aSelection.Item<BOARD_ITEM>( 0 )->GetPosition() - m_offset;
+    }
+    else
+    {
+        // If EDIT_TOOL is not currently active then it means that the cursor position is not
+        // updated, so we have to fetch the latest value
+        if( m_toolMgr->GetCurrentToolId() != m_toolId )
+            m_cursor = getViewControls()->GetCursorPosition();
+
+        return wxPoint( m_cursor.x, m_cursor.y );
+    }
+}
+
+
+bool EDIT_TOOL::hoverSelection( const SELECTION& aSelection, bool aSanitize )
+{
+    if( aSelection.Empty() )                        // Try to find an item that could be modified
+    {
+        m_toolMgr->RunAction( COMMON_ACTIONS::selectionCursor, true );
+
+        if( m_selectionTool->CheckLock() == SELECTION_LOCKED )
+        {
+            m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );
+            return false;
+        }
+    }
+
+    if( aSanitize )
+        m_selectionTool->SanitizeSelection();
+
+    if( aSelection.Empty() )        // TODO is it necessary?
+        m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );
+
+    return !aSelection.Empty();
+}
+
+void EDIT_TOOL::processUndoBuffer( const PICKED_ITEMS_LIST* aLastChange )
+{
+    PCB_BASE_EDIT_FRAME* editFrame = getEditFrame<PCB_BASE_EDIT_FRAME>();
+    const std::vector<PICKED_ITEMS_LIST*>& undoList = editFrame->GetScreen()->m_UndoList.m_CommandsList;
+    bool process = false;
+
+    BOOST_FOREACH( const PICKED_ITEMS_LIST* list, undoList )
+    {
+        if( process )
+            processPickedList( list );
+        else if( list == aLastChange )
+            process = true;     // Start processing starting with the next undo save point
+    }
+
+    // If we could not find the requested save point in the current undo list
+    // then the undo list must have been completely altered, so process everything
+    if( !process )
+    {
+        BOOST_FOREACH( const PICKED_ITEMS_LIST* list, undoList )
+            processPickedList( list );
+    }
+}
+
+
+void EDIT_TOOL::processPickedList( const PICKED_ITEMS_LIST* aList )
+{
+    KIGFX::VIEW* view = getView();
+    RN_DATA* ratsnest = getModel<BOARD>()->GetRatsnest();
+
+    for( unsigned int i = 0; i < aList->GetCount(); ++i )
+    {
+        UNDO_REDO_T operation = aList->GetPickedItemStatus( i );
+        BOARD_ITEM* updItem = static_cast<BOARD_ITEM*>( aList->GetPickedItem( i ) );
+
+        switch( operation )
+        {
+        case UR_CHANGED:
+            ratsnest->Update( updItem );
+            // fall through
+
+        case UR_MODEDIT:
+            updItem->ViewUpdate( KIGFX::VIEW_ITEM::ALL );
+            break;
+
+        case UR_DELETED:
+            if( updItem->Type() == PCB_MODULE_T )
+                static_cast<MODULE*>( updItem )->RunOnChildren( boost::bind( &KIGFX::VIEW::Remove,
+                                                                             view, _1 ) );
+
+            view->Remove( updItem );
+            //ratsnest->Remove( updItem );  // this is done in BOARD::Remove
+            break;
+
+        case UR_NEW:
+            if( updItem->Type() == PCB_MODULE_T )
+                static_cast<MODULE*>( updItem )->RunOnChildren( boost::bind( &KIGFX::VIEW::Add,
+                                                                             view, _1 ) );
+
+            view->Add( updItem );
+            //ratsnest->Add( updItem );     // this is done in BOARD::Add
+            break;
+
+        default:
+            assert( false );    // Not handled
+            break;
+        }
+    }
+}
+
+
+int EDIT_TOOL::editFootprintInFpEditor( const TOOL_EVENT& aEvent )
+{
+    const SELECTION& selection = m_selectionTool->GetSelection();
+    bool unselect = selection.Empty();
+
+    if( !hoverSelection( selection ) )
+        return 0;
+
+    MODULE* mod = uniqueSelected<MODULE>();
+
+    if( !mod )
+        return 0;
+
+    PCB_BASE_EDIT_FRAME* editFrame = getEditFrame<PCB_BASE_EDIT_FRAME>();
+
+    editFrame-> SetCurItem( mod );
+
+    if( editFrame->GetCurItem()->GetTimeStamp() == 0 )    // Module Editor needs a non null timestamp
+    {
+        editFrame->GetCurItem()->SetTimeStamp( GetNewTimeStamp() );
+        editFrame->OnModify();
+    }
+
+    FOOTPRINT_EDIT_FRAME* editor = (FOOTPRINT_EDIT_FRAME*) editFrame->Kiway().Player( FRAME_PCB_MODULE_EDITOR, true );
+
+    editor->Load_Module_From_BOARD( (MODULE*) editFrame->GetCurItem() );
+    editFrame->SetCurItem( NULL );     // the current module could be deleted by
+
+    editor->Show( true );
+    editor->Raise();        // Iconize( false );
+
+    if( unselect )
+        m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );
+
+    return 0;
+}