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//+======================================================================
// $Source:  $
//
// Project:   Tango
//
// Description:  java source code for Tango manager tool..
//
// $Author$
//
// Copyright (C) :      2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,
//						European Synchrotron Radiation Facility
//                      BP 220, Grenoble 38043
//                      FRANCE
//
// This file is part of Tango.
//
// Tango 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.
// 
// Tango 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 Tango.  If not, see .
//
// $Revision$
//
//-======================================================================


package admin.astor.tools;

import fr.esrf.Tango.DevFailed;
import fr.esrf.Tango.DevState;
import fr.esrf.TangoApi.*;
import fr.esrf.TangoDs.Except;
import fr.esrf.tangoatk.widget.util.ATKConstant;
import fr.esrf.tangoatk.widget.util.ATKGraphicsUtils;
import fr.esrf.tangoatk.widget.util.ErrorPane;

import javax.swing.*;
import javax.swing.tree.*;
import java.awt.*;
import java.awt.event.MouseEvent;


//===============================================================

/**
 * Class Description: Basic Dialog Class to display info
 *
 * @author Pascal Verdier
 */
//===============================================================


@SuppressWarnings("MagicConstant")
public class DbServerArchitecture extends JDialog {
    private Component parent;
    private Server server;
    private ServerTree tree;

    static final Dimension dimension = new Dimension(290, 400);
    //===============================================================
    /**
     * Creates new form DbServerArchitecture
     */
    //===============================================================
    public DbServerArchitecture(JFrame parent, String servname) throws DevFailed {
        super(parent, true);
        this.parent = parent;
        createDialog(servname);
    }

    //===============================================================
    public DbServerArchitecture(JDialog parent, String servname) throws DevFailed {
        super(parent, true);
        this.parent = parent;
        createDialog(servname);
    }

    //===============================================================
    //===============================================================
    private void createDialog(String servname) throws DevFailed {
        //	Check if exists
        new DeviceProxy("dserver/" + servname);

        initComponents();

        setTitle("Server in Database");
        titleLabel.setText(servname + " architecture");
        server = new Server(servname);

        //	Add tree to scroll pane
        JScrollPane spane = new JScrollPane();
        spane.setPreferredSize(dimension);
        tree = new ServerTree(this);
        spane.add(tree);
        spane.setViewportView(tree);
        getContentPane().add(spane, BorderLayout.CENTER);

        okBtn.setVisible(false);
        cancelBtn.setText("Dismiss");
        pack();
        ATKGraphicsUtils.centerDialog(this);
    }

    //===============================================================
    /**
     * This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    //===============================================================
    private void initComponents() {//GEN-BEGIN:initComponents
        jPanel1 = new javax.swing.JPanel();
        okBtn = new javax.swing.JButton();
        cancelBtn = new javax.swing.JButton();
        jPanel2 = new javax.swing.JPanel();
        titleLabel = new javax.swing.JLabel();

        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                closeDialog(evt);
            }
        });

        okBtn.setText("OK");
        okBtn.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                okBtnActionPerformed(evt);
            }
        });

        jPanel1.add(okBtn);

        cancelBtn.setText("Cancel");
        cancelBtn.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                cancelBtnActionPerformed(evt);
            }
        });

        jPanel1.add(cancelBtn);

        getContentPane().add(jPanel1, java.awt.BorderLayout.SOUTH);

        titleLabel.setFont(new java.awt.Font("Dialog", 1, 18));
        titleLabel.setText("Dialog Title");
        jPanel2.add(titleLabel);

        getContentPane().add(jPanel2, java.awt.BorderLayout.NORTH);

        pack();
    }//GEN-END:initComponents

    //===============================================================
    //===============================================================
    @SuppressWarnings("UnusedParameters")
    private void okBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_okBtnActionPerformed
        doClose();
    }//GEN-LAST:event_okBtnActionPerformed

    //===============================================================
    //===============================================================
    @SuppressWarnings("UnusedParameters")
    private void cancelBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_cancelBtnActionPerformed
        doClose();
    }//GEN-LAST:event_cancelBtnActionPerformed

    //===============================================================
    //===============================================================
    @SuppressWarnings("UnusedParameters")
    private void closeDialog(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_closeDialog
        doClose();
    }//GEN-LAST:event_closeDialog

    //===============================================================
    /**
     * Closes the dialog
     */
    //===============================================================
    private void doClose() {
        setVisible(false);
        dispose();

        //	Exit if from shell
        if (parent==null)
            System.exit(0);
    }

    //===============================================================
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JPanel jPanel1;
    private javax.swing.JButton okBtn;
    private javax.swing.JButton cancelBtn;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JLabel titleLabel;
    // End of variables declaration//GEN-END:variables
    //===============================================================


    //===============================================================

    /**
     * @param args the command line arguments
     */
    //===============================================================
    public static void main(String args[]) {

        String servname = null;

        if (args.length > 0)
            servname = args[0];
        try {
            if (servname == null)
                Except.throw_exception("ServerName_Unknown",
                        "No Server name ?????", "DbServerArchitecture()");
            new DbServerArchitecture((JFrame)null, servname).setVisible(true);
        } catch (DevFailed e) {
            ErrorPane.showErrorMessage(new JFrame(), "DbServerArchitecture", e);
            System.exit(0);
        }
    }


    //===============================================================
    //===============================================================
    class Server extends DbServer {
        String name;
        TangoClass[] classes;

        public Server(String name) throws DevFailed {
            super(name);
            this.name = name;

            String[] classnames = get_class_list();
            classes = new TangoClass[classnames.length];
            for (int i = 0; i < classnames.length; i++) {
                String[] devnames = get_device_name(classnames[i]);
                classes[i] = new TangoClass(classnames[i], devnames);
            }
        }

        //===============================================================
        public String toString() {
            String str = name + "\n";
            for (TangoClass _class : classes)
                str += _class + "\n";
            return str.trim();
        }
    }

    //===============================================================
    //===============================================================
    class TangoClass {
        String name;
        TangoDevice[] devices;

        //===============================================================
        public TangoClass(String classname, String[] devnames) throws DevFailed {
            name = classname;
            devices = new TangoDevice[devnames.length];
            for (int i = 0; i < devnames.length; i++)
                devices[i] = new TangoDevice(devnames[i]);
        }

        //===============================================================
        public String toString() {
            return name;
        }
    }

    //===============================================================
    //===============================================================
    class TangoDevice extends DbDevice {
        String name;
        DbDatum[] properties;
        TangoAtt[] attributes;

        //===============================================================
        public TangoDevice(String name) throws DevFailed {
            super(name);
            this.name = name;
            properties = get_property(get_property_list("*"));

            Database db = ApiUtil.get_db_obj();
            String[] attnames;

            //	Get list of attributes
            try {
                attnames = get_attribute_list();
            } catch (NoSuchMethodError e) {
                //	Method is missing in TangORB to get attribute list
                System.out.println(e);
                System.out.println("get_device_attribute_list() not found in Database class");
                DeviceData argin = new DeviceData();
                argin.insert(new String[]{name, "*"});

                DeviceData argout =
                        db.command_inout("DbGetDeviceAttributeList", argin);
                attnames = argout.extractStringArray();
            }
            //	Get attribute Properties
            DbAttribute[] db_att = db.get_device_attribute_property(name, attnames);


            attributes = new TangoAtt[attnames.length];
            for (int i = 0; i < attnames.length; i++)
                attributes[i] = new TangoAtt(db_att[i]);
            //get_attribute_property(attnames[i]));
        }

        //===============================================================
        public String toString() {
            return name;
        }
        //===============================================================
    }

    //===============================================================
    //===============================================================
    class TangoAtt {
        String name;
        DbAttribute att;
        TangoAttProp[] prop;

        //===============================================================
        public TangoAtt(DbAttribute att) throws DevFailed {
            this.name = att.name;
            this.att = att;
            String[] attprop = att.get_property_list();
            prop = new TangoAttProp[attprop.length];
            for (int j = 0; j < attprop.length; j++)
                prop[j] = new TangoAttProp(attprop[j],
                        att.get_string_value(attprop[j]));
        }

        //===============================================================
        public String toString() {
            return name;
        }
        //===============================================================
    }

    //===============================================================
    //===============================================================
    class TangoAttProp {
        String name;
        String strval;

        //===============================================================
        public TangoAttProp(String name, String strval) {
            this.name = name;
            this.strval = strval;
        }

        //===============================================================
        public String toString() {
            return name;
        }
        //===============================================================
    }

    //===============================================================
    //===============================================================
    class ServerTree extends JTree {
        private JDialog dialog;
        private DefaultTreeModel treeModel;

        //===============================================================
        public ServerTree(JDialog dialog) {
            this.dialog = dialog;
            DefaultMutableTreeNode root = new DefaultMutableTreeNode(server.name);

            for (int i = 0; i < server.classes.length; i++) {
                DefaultMutableTreeNode cn =
                        new DefaultMutableTreeNode(server.classes[i]);
                craateDeviceNodes(cn, server.classes[i]);
                root.add(cn);
            }

            getSelectionModel().setSelectionMode
                    (TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);
            //(TreeSelectionModel.SINGLE_TREE_SELECTION);

            //	Create Tree and Tree model
            //------------------------------------
            treeModel = new DefaultTreeModel(root);
            setModel(treeModel);

            //Enable tool tips.
            ToolTipManager.sharedInstance().registerComponent(this);

            /*
                * Set the icon for leaf nodes.
                * Note: In the Swing 1.0.x release, we used
                * swing.plaf.basic.BasicTreeCellRenderer.
                */
            setCellRenderer(new ServerRenderer());

            //	Add Action listener
            addMouseListener(new java.awt.event.MouseAdapter() {
                public void mouseClicked(java.awt.event.MouseEvent evt) {
                    treeMouseClicked(evt);
                }
            });
        }

        //===============================================================
        private void craateDeviceNodes(DefaultMutableTreeNode p_node, TangoClass _class) {
            for (int i = 0; i < _class.devices.length; i++) {
                DefaultMutableTreeNode node =
                        new DefaultMutableTreeNode(_class.devices[i]);
                craateAttributeNodes(node, _class.devices[i]);
                p_node.add(node);
            }
        }

        //===============================================================
        private void craateAttributeNodes(DefaultMutableTreeNode p_node, TangoDevice dev) {
            DefaultMutableTreeNode n =
                    new DefaultMutableTreeNode("Attributes");
            p_node.add(n);

            for (int i = 0; i < dev.attributes.length; i++) {
                DefaultMutableTreeNode node =
                        new DefaultMutableTreeNode(dev.attributes[i]);
                n.add(node);
            }
        }
        //======================================================

        /**
         * Manage event on clicked mouse on PogoTree object.
         */
        //======================================================
        private void treeMouseClicked(java.awt.event.MouseEvent evt) {
            //	Check if click is on a node
            if (tree.getRowForLocation(evt.getX(), evt.getY()) < 1)
                return;

            TreePath selectedPath = tree.getPathForLocation(evt.getX(), evt.getY());
            if (selectedPath==null)
                return;
            DefaultMutableTreeNode node =
                    (DefaultMutableTreeNode) selectedPath.getPathComponent(selectedPath.getPathCount() - 1);
            Object o = node.getUserObject();
            int mask = evt.getModifiers();

            //	Display History if double click
            if (evt.getClickCount() == 2) {
                //	Check if btn1
                //------------------
                if ((mask & MouseEvent.BUTTON1_MASK) != 0) {
                    if (o instanceof TangoAtt) {
                        TangoAtt att = (TangoAtt) o;

                        //	Reteive device instance
                        int idx = selectedPath.getPathCount() - 2;
                        TangoDevice dev = null;
                        for (; dev == null && idx > 0; idx--) {
                            DefaultMutableTreeNode n =
                                    (DefaultMutableTreeNode) selectedPath.getPathComponent(idx);
                            Object obj = n.getUserObject();
                            if (obj instanceof TangoDevice)
                                dev = (TangoDevice) obj;
                        }

                        //	If found edit attribute properties
                        if (dev == null)
                            System.out.println("TangoDevice not found");
                        else {
                            DevPropertyDialog dlg =
                                    new DevPropertyDialog(dialog, dev, att);
                            dlg.setVisible(true);
                        }
                    }
                }
            }
        }
        //===============================================================
    }
//===============================================================

    /**
     * Renderer Class
     */
//===============================================================
    private class ServerRenderer extends DefaultTreeCellRenderer {
        private ImageIcon root_icon;
        private ImageIcon server_icon;
        private ImageIcon class_icon;
        private ImageIcon device_icon;
        private ImageIcon list_icon;
        private ImageIcon empty_icon;
        private ImageIcon att_icon;
        private Font[] fonts;

        private static final int ROOT = 0;
        private static final int SERVER = 1;
        private static final int CLASS = 2;
        private static final int DEVICE = 2;
        private static final int ATTR = 3;

        //===============================================================
        //===============================================================
        public ServerRenderer() {
            root_icon = Utils.getServerIcon();
            server_icon = Utils.getServerIcon();
            class_icon = Utils.getClassIcon();
            device_icon = Utils.getDeviceIcon();
            list_icon = ATKConstant.getSmallBallIcon4State(DevState.ON.toString());
            empty_icon =ATKConstant.getSmallBallIcon4State(DevState.UNKNOWN.toString());
            att_icon = Utils.getULeafIcon();

            fonts = new Font[4];
            fonts[0] = new Font("Dialog", Font.BOLD, 18);
            fonts[1] = new Font("Dialog", Font.BOLD, 12);
            fonts[2] = new Font("Dialog", Font.PLAIN, 12);
            fonts[3] = new Font("Dialog", Font.PLAIN, 10);
        }

        //===============================================================
        //===============================================================
        public Component getTreeCellRendererComponent(
                JTree tree,
                Object obj,
                boolean sel,
                boolean expanded,
                boolean leaf,
                int row,
                boolean hasFocus) {

            super.getTreeCellRendererComponent(
                    tree, obj, sel,
                    expanded, leaf, row,
                    hasFocus);

            setBackgroundNonSelectionColor(Color.white);
            DefaultMutableTreeNode node = (DefaultMutableTreeNode) obj;
            Object o = node.getUserObject();
            if (row == 0) {
                //	ROOT
                setIcon(root_icon);
                setBackgroundSelectionColor(Color.white);
                setBackgroundNonSelectionColor(Color.white);
                setFont(fonts[ROOT]);
            } else if (o instanceof Server) {
                setIcon(server_icon);
                setFont(fonts[SERVER]);
            } else if (o instanceof TangoClass) {
                setIcon(class_icon);
                setFont(fonts[CLASS]);
            } else if (o instanceof TangoDevice) {
                setIcon(device_icon);
                setFont(fonts[DEVICE]);
            } else if (o instanceof String) {
                if (node.isLeaf())
                    setIcon(empty_icon);
                else
                    setIcon(list_icon);
                setFont(fonts[ATTR]);
            } else if (o instanceof TangoAtt) {
                setIcon(att_icon);
                setFont(fonts[ATTR]);
            }
            return this;
        }
    }
}