OSEdRemoveOperationCmd.cc

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/*
    Copyright (c) 2002-2009 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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    copy of this software and associated documentation files (the "Software"),
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/**
 * @file OSEdRemoveOperationCmd.cc
 *
 * Definition of OSEdRemoveOperationCmd class.
 *
 * @author Jussi Nykänen 2004 (nykanen-no.spam-cs.tut.fi)
 * @note rating: red
 */
 
#include <boost/format.hpp>
 
#include "OSEdRemoveOperationCmd.hh"
#include "OSEdConstants.hh"
#include "OSEdTextGenerator.hh"
#include "OperationContainer.hh"
#include "ConfirmDialog.hh"
#include "WxConversion.hh"
#include "ErrorDialog.hh"
#include "OSEd.hh"
#include "OperationModule.hh"
#include "OperationSerializer.hh"
#include "OSEdTreeView.hh"
#include "Operation.hh"
#include "OperationIndex.hh"
#include "OSEdInfoView.hh"
#include "TCEString.hh"
#include "ObjectState.hh"
 
using std::string;
using boost::format;
 
/**
 * Constructor.
 */
OSEdRemoveOperationCmd::OSEdRemoveOperationCmd() : 
    GUICommand(OSEdConstants::CMD_NAME_REMOVE_OPERATION, NULL) {
}
 
/**
 * Destructor.
 */
OSEdRemoveOperationCmd::~OSEdRemoveOperationCmd() {
}
 
/**
 * Returns the id of the command.
 *
 * @return The id of the command.
 */
int
OSEdRemoveOperationCmd::id() const {
    return OSEdConstants::CMD_REMOVE_OPERATION;
}
 
/**
 * Creates a new command.
 *
 * @return New command. 
 */
GUICommand*
OSEdRemoveOperationCmd::create() const {
    return new OSEdRemoveOperationCmd();
}
 
/**
 * Executes the command.
 *
 * @return True if execution is successful.
 */
bool
OSEdRemoveOperationCmd::Do() {
    
    OSEdTextGenerator& texts = OSEdTextGenerator::instance();
    OSEdTreeView* treeView = wxGetApp().mainFrame()->treeView();
    Operation* op = treeView->selectedOperation();
    wxTreeItemId opId = treeView->selectedOperationId();
    string modName = treeView->moduleOfOperation(opId);
    wxTreeItemId modId = treeView->moduleIdOfOperation(opId);
    string pathName = treeView->pathOfModule(modId);
 
    OperationModule& module = OperationContainer::module(pathName, modName);
 
    format fmt = texts.text(OSEdTextGenerator::TXT_QUESTION_REMOVE_OPERATION);
    fmt % op->name();
    ConfirmDialog dialog(parentWindow(), WxConversion::toWxString(fmt.str()));
 
    if (dialog.ShowModal() == wxID_YES) {
        OperationSerializer& serializer = 
            OperationContainer::operationSerializer();
        
        serializer.setSourceFile(module.propertiesModule());
        ObjectState* root = NULL;
        try {
            root = serializer.readState();
            for (int i = 0; i < root->childCount(); i++) {
                ObjectState* child = root->child(i);
                if (child->stringAttribute("name") == op->name()) {
                    delete child;
                    break;
                }
            }
            serializer.setDestinationFile(module.propertiesModule());
            serializer.writeState(root);
            delete root;
        } catch (const Exception& e) {
            fmt = texts.text(
                OSEdTextGenerator::TXT_ERROR_CAN_NOT_REMOVE_OPERATION);
        
            fmt % op->name();
            ErrorDialog error(
                parentWindow(), WxConversion::toWxString(fmt.str()));
            error.ShowModal();
            delete root;
            delete op;
            return false;
        }
        
        OperationIndex& index = OperationContainer::operationIndex();
        index.refreshModule(pathName, modName);
        treeView->removeItem(opId);
        treeView->infoView()->operationView(pathName, modName);
    }
    delete op;
    return true;
}
 
/**
 * Returns true if command is enabled, otherwise false.
 *
 * Command is enabled when the path of the operation is writable.
 *
 * @return True if command is enabled, otherwise false.
 */
bool
OSEdRemoveOperationCmd::isEnabled() {
    OSEdTreeView* treeView = wxGetApp().mainFrame()->treeView();
    if (treeView->isOperationSelected()) {
        wxTreeItemId opId = treeView->selectedOperationId();
        wxTreeItemId modId = treeView->moduleIdOfOperation(opId);
        string path = treeView->pathOfModule(modId);
        if (FileSystem::fileIsWritable(path)) {
            return true;
        } else {
            return false;
        }
    } else {
        return false;
    }
}
 
/**
 * Returns the icon of the command.
 *
 * @return Empty string (icons not used).
 */
string
OSEdRemoveOperationCmd::icon() const {
    return "";
}