com.actelion.research.share.gui.editor.actions.BondBaseAction Maven / Gradle / Ivy
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Open Source Chemistry Library
/*
* Copyright (c) 1997 - 2016
* Actelion Pharmaceuticals Ltd.
* Gewerbestrasse 16
* CH-4123 Allschwil, Switzerland
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of the the copyright holder nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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package com.actelion.research.share.gui.editor.actions;
import com.actelion.research.chem.Molecule;
import com.actelion.research.chem.StereoMolecule;
import com.actelion.research.gui.generic.GenericPoint;
import com.actelion.research.share.gui.editor.Model;
import com.actelion.research.share.gui.editor.geom.IDrawContext;
import com.actelion.research.share.gui.editor.io.IMouseEvent;
/**
* Project:
* User: rufenec
* Date: 1/28/13
* Time: 1:07 PM
*/
public abstract class BondBaseAction extends BondHighlightAction
{
protected BondBaseAction(Model model)
{
super(model);
}
public abstract int getBondType();
public void onAddBond(int srcAtom, int targetAtom)
{
StereoMolecule mol = model.getMolecule();
if (mol != null) {
int bondType = getBondType();
if (bondType == Molecule.cBondTypeSingle)
bondType = mol.suggestBondType(srcAtom, targetAtom);
mol.addBond(srcAtom, targetAtom, bondType);
mol.ensureHelperArrays(Molecule.cHelperNeighbours);
} else {
}
}
public void onChangeBond(int bond)
{
StereoMolecule mol = model.getMolecule();
if (mol != null) {
mol.changeBond(bond, Molecule.cBondTypeIncreaseOrder);
mol.ensureHelperArrays(Molecule.cHelperNeighbours);
}
}
public boolean onMouseUp(IMouseEvent evt)
{
boolean ok = true;
GenericPoint pt = new GenericPoint(evt.getX(), evt.getY());
model.pushUndo();
int sourceAtom = getAtomAt(origin);
int selectedAtom = model.getSelectedAtom();
model.setSelectedBond(-1);
StereoMolecule mol = model.getMoleculeAt(origin, true);
model.setSelectedAtom(sourceAtom);
if (!dragging) {
if (mol != null && sourceAtom != -1) {
if (mol.getAllConnAtoms(sourceAtom) != Model.MAX_CONNATOMS) {
GenericPoint targetPoint = suggestNewX2AndY2(sourceAtom);
int stopAtom = mol.findAtom((float) targetPoint.getX(), (float) targetPoint.getY());
if (stopAtom != -1) {
int bondType = getBondType();
if (bondType == Molecule.cBondTypeSingle)
bondType = mol.suggestBondType(sourceAtom, stopAtom);
mol.addOrChangeBond(sourceAtom, stopAtom, bondType);
} else {
int targetAtom = mol.addAtom((float) targetPoint.getX(), (float) targetPoint.getY(), 0.0f);
onAddBond(sourceAtom, targetAtom);
}
ok = true;
}
} else if (mol != null) {
int bond = getBondAt(mol, pt);
if (bond != -1) {
onChangeBond(bond);
} else {
sourceAtom = mol.addAtom((float) pt.getX(), (float) pt.getY());
GenericPoint targetPoint = suggestNewX2AndY2(sourceAtom);
int targetAtom = mol.addAtom((float) targetPoint.getX(), (float) targetPoint.getY(), 0.0f);
onAddBond(sourceAtom, targetAtom);
}
ok = true;
} else {
mol = model.getMolecule();
sourceAtom = mol.addAtom((float) evt.getX(), (float) evt.getY());
GenericPoint p = suggestNewX2AndY2(sourceAtom);
int t = mol.addAtom((float) p.getX() /*+ mol.getAverageBondLength()*/, (float) p.getY());
onAddBond(sourceAtom, t);
// This creates a new Fragment, so make sure scheme gets layouted (if in RXN mode)
if (model.isReaction())
model.needsLayout(true);
ok = true;
}
} else { // dragging
if (mol != null) {
if (sourceAtom != -1) {
int targetAtom = selectedAtom;
if (targetAtom == -1) {
double dx = origin.getX() - pt.getX();
double dy = origin.getY() - pt.getY();
GenericPoint targetPoint = pt;
if (dx * dx + dy * dy < Model.MIN_BOND_LENGTH_SQUARE) {
targetPoint = suggestNewX2AndY2(sourceAtom);
}
targetAtom = mol.addAtom((float) targetPoint.getX(), (float) targetPoint.getY(), 0.0f);
}
StereoMolecule tm = model.getMoleculeAt(pt, true);
if (mol == tm) {
onAddBond(sourceAtom, targetAtom);
} else if (tm != null) {
mol.addMolecule(tm);
targetAtom = mol.findAtom((float) pt.getX(), (float) pt.getY());
model.deleteMolecule(tm);
onAddBond(sourceAtom, targetAtom);
}
ok = true;
} else { // mol == null
int startAtom = mol.addAtom((float) origin.getX(), (float) origin.getY());
int endAtom = mol.addAtom((float) pt.getX(), (float) pt.getY());
onAddBond(startAtom, endAtom);
if (model.isReaction())
model.needsLayout(true);
ok = true;
}
} else {
mol = model.getMolecule();
int startAtom = mol.addAtom((float) origin.getX(), (float) origin.getY());
int endAtom = mol.addAtom((float) pt.getX(), (float) pt.getY());
onAddBond(startAtom, endAtom);
ok = true;
}
}
dragging = false;
return ok;
}
public boolean paint(IDrawContext _ctx)
{
boolean ok = super.paint(_ctx);
if (dragging) {
drawBondLine(_ctx);
ok = true;
}
return ok;
}
private void drawBondLine(IDrawContext ctx)
{
GenericPoint point = origin;
if (point != null && last != null) {
int atom = getAtomAt(point);
StereoMolecule mol = model.getMoleculeAt(point, true);
if (mol != null && atom != -1) {
point = new GenericPoint(mol.getAtomX(atom), mol.getAtomY(atom));
}
ctx.save();
ctx.drawLine(point.getX(), point.getY(), last.getX(), last.getY());
ctx.restore();
}
}
}