/* -*- tab-width: 4 -*-
*
* Electric(tm) VLSI Design System
*
* File: CantEditException.java
*
* Copyright (c) 2006 Sun Microsystems and Static Free Software
*
* Electric(tm) 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 3 of the License, or
* (at your option) any later version.
*
* Electric(tm) 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 Electric(tm); see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, Mass 02111-1307, USA.
*/
package com.sun.electric.tool.user;
import com.sun.electric.database.hierarchy.Cell;
import com.sun.electric.database.topology.NodeInst;
import com.sun.electric.database.variable.UserInterface;
import com.sun.electric.tool.Job;
import com.sun.electric.tool.JobException;
public class CantEditException extends JobException
{
/** the node that is locked and needs to change */ NodeInst lockedNode;
/** the locked primitive (must allow locked prims to change) */ NodeInst lockedPrim;
/** the locked complex node (must allow complex nodes to change) */ NodeInst lockedComplex;
/** the cell with locked instances */ Cell lockedInstances;
/** the cell that is locked */ Cell lockedAll;
/** the locked node (when cells are locked) */ NodeInst lockedExample;
/**
* Method to describe this CantEditException.
* WARNING: method may change the database if the user disables a cell lock,
* so method must be called inside of a Change job.
* @return zero if the operation should be done.
* Return positive if the user chooses to NOT DO the change.
* Return negative if the user chooses to NOT DO the change and the overall operation should be cancelled.
*/
public int presentProblem()
{
String [] options = {"Yes", "No", "Always", "Cancel"};
UserInterface ui = Job.getUserInterface();
// if an instance is specified, check it
if (lockedNode != null)
{
int ret = ui.askForChoice("Changes to locked " + lockedNode + " are disallowed. Change anyway?",
"Allow changes", options, options[1]);
if (ret == 3 || ret == -1) return -1; // -1 represents ESC or cancel
if (ret == 1) return 1;
if (ret == 2) lockedNode.clearLocked();
return 0;
}
if (lockedPrim != null)
{
int ret = ui.askForChoice("Changes to locked primitives (such as " + lockedPrim + ") are disallowed. Change anyway?",
"Allow changes", options, options[1]);
if (ret == 3 || ret == -1) return -1; // -1 represents ESC or cancel
if (ret == 1) return 1;
if (ret == 2) User.setDisallowModificationLockedPrims(false);
return 0;
}
if (lockedInstances != null)
{
int ret = ui.askForChoice("Modification of instances in " + lockedInstances + " is disallowed. You cannot move " +
lockedExample + ". Change anyway?", "Allow changes", options, options[1]);
if (ret == 3 || ret == -1) return -1; // -1 represents ESC or cancel
if (ret == 1) return 1;
if (ret == 2) lockedInstances.clearInstancesLocked();
return 0;
}
if (lockedComplex != null)
{
int ret = ui.askForChoice("Changes to complex nodes (such as " + lockedComplex + ") are disallowed. Change anyway?",
"Allow changes", options, options[1]);
if (ret == 3 || ret == -1) return -1; // -1 represents ESC or cancel
if (ret == 1) return 1;
if (ret == 2) User.setDisallowModificationComplexNodes(false);
return 0;
}
// check for general changes to the cell
if (lockedAll != null)
{
int ret = ui.askForChoice("Modification of " + lockedAll + " is disallowed. Change " +
((lockedExample == null)? "" : lockedExample.toString())+" anyway?",
"Allow changes", options, options[1]);
if (ret == 3 || ret == -1) return -1; // -1 represents ESC or cancel
if (ret == 1) return 1;
if (ret == 2) lockedAll.clearAllLocked();
return 0;
}
return 0;
}
}