propform.cpp

wxGTK 是 wxWidgets 的 linux GTK+ (>2.2.3)版本。wxWidgets 是一个跨平台的 GUI 框架

/////////////////////////////////////////////////////////////////////////////
// Name:        propform.cpp
// Purpose:     Property form classes
// Author:      Julian Smart
// Modified by:
// Created:     04/01/98
// RCS-ID:      $Id: propform.cpp,v 1.5 2005/09/23 12:47:38 MR Exp $
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#include "wx/deprecated/setup.h"

#if wxUSE_PROPSHEET

#ifndef WX_PRECOMP
    #include "wx/choice.h"
    #include "wx/checkbox.h"
    #include "wx/slider.h"
    #include "wx/msgdlg.h"
#endif

#include "wx/deprecated/propform.h"

#include <ctype.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>


/*
* Property view
*/

IMPLEMENT_DYNAMIC_CLASS(wxPropertyFormView, wxPropertyView)

BEGIN_EVENT_TABLE(wxPropertyFormView, wxPropertyView)
EVT_BUTTON(wxID_OK,          wxPropertyFormView::OnOk)
EVT_BUTTON(wxID_CANCEL,      wxPropertyFormView::OnCancel)
EVT_BUTTON(wxID_HELP,        wxPropertyFormView::OnHelp)
EVT_BUTTON(wxID_PROP_REVERT, wxPropertyFormView::OnRevert)
EVT_BUTTON(wxID_PROP_UPDATE, wxPropertyFormView::OnUpdate)
END_EVENT_TABLE()

bool wxPropertyFormView::sm_dialogCancelled = false;

wxPropertyFormView::wxPropertyFormView(wxWindow *propPanel, long flags):wxPropertyView(flags)
{
    m_propertyWindow = propPanel;
    m_managedWindow = NULL;

    m_windowCloseButton = NULL;
    m_windowCancelButton = NULL;
    m_windowHelpButton = NULL;

    m_detailedEditing = false;
}

wxPropertyFormView::~wxPropertyFormView(void)
{
}

void wxPropertyFormView::ShowView(wxPropertySheet *ps, wxWindow *panel)
{
    m_propertySheet = ps;

    AssociatePanel(panel);
    //  CreateControls();
    //  UpdatePropertyList();
}

// Update this view of the viewed object, called e.g. by
// the object itself.
bool wxPropertyFormView::OnUpdateView(void)
{
    return true;
}

bool wxPropertyFormView::Check(void)
{
    if (!m_propertySheet)
        return false;

    wxNode *node = m_propertySheet->GetProperties().GetFirst();
    while (node)
    {
        wxProperty *prop = (wxProperty *)node->GetData();
        wxPropertyValidator *validator = FindPropertyValidator(prop);
        if (validator && validator->IsKindOf(CLASSINFO(wxPropertyFormValidator)))
        {
            wxPropertyFormValidator *formValidator = (wxPropertyFormValidator *)validator;
            if (!formValidator->OnCheckValue(prop, this, m_propertyWindow))
                return false;
        }
        node = node->GetNext();
    }
    return true;
}

bool wxPropertyFormView::TransferToPropertySheet(void)
{
    if (!m_propertySheet)
        return false;

    wxNode *node = m_propertySheet->GetProperties().GetFirst();
    while (node)
    {
        wxProperty *prop = (wxProperty *)node->GetData();
        wxPropertyValidator *validator = FindPropertyValidator(prop);
        if (validator && validator->IsKindOf(CLASSINFO(wxPropertyFormValidator)))
        {
            wxPropertyFormValidator *formValidator = (wxPropertyFormValidator *)validator;
            formValidator->OnRetrieveValue(prop, this, m_propertyWindow);
        }
        node = node->GetNext();
    }
    return true;
}

bool wxPropertyFormView::TransferToDialog(void)
{
    if (!m_propertySheet)
        return false;

    wxNode *node = m_propertySheet->GetProperties().GetFirst();
    while (node)
    {
        wxProperty *prop = (wxProperty *)node->GetData();
        wxPropertyValidator *validator = FindPropertyValidator(prop);
        if (validator && validator->IsKindOf(CLASSINFO(wxPropertyFormValidator)))
        {
            wxPropertyFormValidator *formValidator = (wxPropertyFormValidator *)validator;
            formValidator->OnDisplayValue(prop, this, m_propertyWindow);
        }
        node = node->GetNext();
    }
    return true;
}

bool wxPropertyFormView::AssociateNames(void)
{
    if (!m_propertySheet || !m_propertyWindow)
        return false;

    wxWindowList::Node  *node = m_propertyWindow->GetChildren().GetFirst();
    while (node)
    {
        wxWindow *win = node->GetData();
        if ( win->GetName() != wxEmptyString )
        {
            wxProperty *prop = m_propertySheet->GetProperty(win->GetName());
            if (prop)
                prop->SetWindow(win);
        }
        node = node->GetNext();
    }
    return true;
}


bool wxPropertyFormView::OnClose(void)
{
    if (m_propertyWindow->IsKindOf(CLASSINFO(wxPropertyFormPanel)))
    {
        ((wxPropertyFormPanel*)m_propertyWindow)->SetView(NULL);
    }
    delete this;
    return true;
}

void wxPropertyFormView::OnOk(wxCommandEvent& WXUNUSED(event))
{
    // Retrieve the value if any
    if (!Check())
        return;

    sm_dialogCancelled = false;
    TransferToPropertySheet();

    m_managedWindow->Close(true);
}

void wxPropertyFormView::OnCancel(wxCommandEvent& WXUNUSED(event))
{
    sm_dialogCancelled = true;

    m_managedWindow->Close(true);
}

void wxPropertyFormView::OnHelp(wxCommandEvent& WXUNUSED(event))
{
}

void wxPropertyFormView::OnUpdate(wxCommandEvent& WXUNUSED(event))
{
    if (Check())
        TransferToPropertySheet();
}

void wxPropertyFormView::OnRevert(wxCommandEvent& WXUNUSED(event))
{
    TransferToDialog();
}

void wxPropertyFormView::OnCommand(wxWindow& win, wxCommandEvent& event)
{
    if (!m_propertySheet)
        return;

    if (win.GetName().empty())
        return;

    if (wxStrcmp(win.GetName(), wxT("ok")) == 0)
        OnOk(event);
    else if (wxStrcmp(win.GetName(), wxT("cancel")) == 0)
        OnCancel(event);
    else if (wxStrcmp(win.GetName(), wxT("help")) == 0)
        OnHelp(event);
    else if (wxStrcmp(win.GetName(), wxT("update")) == 0)
        OnUpdate(event);
    else if (wxStrcmp(win.GetName(), wxT("revert")) == 0)
        OnRevert(event);
    else
    {
        // Find a validator to route the command to.
        wxNode *node = m_propertySheet->GetProperties().GetFirst();
        while (node)
        {
            wxProperty *prop = (wxProperty *)node->GetData();
            if (prop->GetWindow() && (prop->GetWindow() == &win))
            {
                wxPropertyValidator *validator = FindPropertyValidator(prop);
                if (validator && validator->IsKindOf(CLASSINFO(wxPropertyFormValidator)))
                {
                    wxPropertyFormValidator *formValidator = (wxPropertyFormValidator *)validator;
                    formValidator->OnCommand(prop, this, m_propertyWindow, event);
                    return;
                }
            }
            node = node->GetNext();
        }
    }
}

// Extend event processing to call OnCommand
bool wxPropertyFormView::ProcessEvent(wxEvent& event)
{
    if (wxEvtHandler::ProcessEvent(event))
        return true;
    else if (event.IsCommandEvent() && !event.IsKindOf(CLASSINFO(wxUpdateUIEvent)) && event.GetEventObject())
    {
        OnCommand(* ((wxWindow*) event.GetEventObject()), (wxCommandEvent&) event);
        return true;
    }
    else
        return false;
}

void wxPropertyFormView::OnDoubleClick(wxControl *item)
{
    if (!m_propertySheet)
        return;

    // Find a validator to route the command to.
    wxNode *node = m_propertySheet->GetProperties().GetFirst();
    while (node)
    {
        wxProperty *prop = (wxProperty *)node->GetData();
        if (prop->GetWindow() && ((wxControl *)prop->GetWindow() == item))
        {
            wxPropertyValidator *validator = FindPropertyValidator(prop);
            if (validator && validator->IsKindOf(CLASSINFO(wxPropertyFormValidator)))
            {
                wxPropertyFormValidator *formValidator = (wxPropertyFormValidator *)validator;
                formValidator->OnDoubleClick(prop, this, m_propertyWindow);
                return;
            }
        }
        node = node->GetNext();
    }
}

/*
* Property form dialog box
*/

IMPLEMENT_DYNAMIC_CLASS(wxPropertyFormDialog, wxDialog)

BEGIN_EVENT_TABLE(wxPropertyFormDialog, wxDialog)
EVT_CLOSE(wxPropertyFormDialog::OnCloseWindow)
END_EVENT_TABLE()

wxPropertyFormDialog::wxPropertyFormDialog(wxPropertyFormView *v, wxWindow *parent, const wxString& title,
                                           const wxPoint& pos, const wxSize& size, long style, const wxString& name):
wxDialog(parent, wxID_ANY, title, pos, size, style, name)
{
    m_view = v;
    m_view->AssociatePanel(this);
    m_view->SetManagedWindow(this);
    //  SetAutoLayout(true);
}

void wxPropertyFormDialog::OnCloseWindow(wxCloseEvent& event)
{
    if (m_view)
    {
        m_view->OnClose();
        m_view = NULL;
        this->Destroy();
    }
    else
        event.Veto();
}

void wxPropertyFormDialog::OnDefaultAction(wxControl *item)
{
    m_view->OnDoubleClick(item);
}

void wxPropertyFormDialog::OnCommand(wxWindow& win, wxCommandEvent& event)
{
    if ( m_view )
        m_view->OnCommand(win, event);
}

// Extend event processing to search the view's event table
bool wxPropertyFormDialog::ProcessEvent(wxEvent& event)
{
    if ( !m_view || ! m_view->ProcessEvent(event) )
        return wxEvtHandler::ProcessEvent(event);
    else
        return true;
}


/*
* Property form panel
*/

IMPLEMENT_DYNAMIC_CLASS(wxPropertyFormPanel, wxPanel)

void wxPropertyFormPanel::OnDefaultAction(wxControl *item)
{
    m_view->OnDoubleClick(item);
}

void wxPropertyFormPanel::OnCommand(wxWindow& win, wxCommandEvent& event)
{
    m_view->OnCommand(win, event);
}

// Extend event processing to search the view's event table
bool wxPropertyFormPanel::ProcessEvent(wxEvent& event)
{
    if ( !m_view || ! m_view->ProcessEvent(event) )
        return wxEvtHandler::ProcessEvent(event);
    else
        return true;
}

/*
* Property frame
*/

IMPLEMENT_DYNAMIC_CLASS(wxPropertyFormFrame, wxFrame)

BEGIN_EVENT_TABLE(wxPropertyFormFrame, wxFrame)
EVT_CLOSE(wxPropertyFormFrame::OnCloseWindow)
END_EVENT_TABLE()

void wxPropertyFormFrame::OnCloseWindow(wxCloseEvent& event)
{
    if (m_view && m_view->OnClose())