/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


package com.sun.star.wizards.table;

import com.sun.star.awt.FontDescriptor;
import com.sun.star.awt.ItemEvent;
import com.sun.star.awt.XButton;
import com.sun.star.awt.XItemListener;
import com.sun.star.awt.XListBox;
import com.sun.star.awt.XTextComponent;
import com.sun.star.beans.XPropertySet;
import com.sun.star.lang.EventObject;
import com.sun.star.uno.Exception;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.wizards.common.Desktop;
import com.sun.star.wizards.common.Helper;
import com.sun.star.wizards.common.PropertyNames;
import com.sun.star.wizards.db.TableDescriptor;
import com.sun.star.wizards.ui.UIConsts;
import com.sun.star.wizards.ui.UnoDialog;

public class FieldFormatter implements XItemListener
{

    TableWizard CurUnoDialog;
    TableDescriptor curTableDescriptor;
    Object oColumnDescriptorModel;
    XTextComponent txtfieldname;
    XListBox xlstFieldNames;
    XButton btnplus;
    XButton btnminus;
    XButton btnShiftUp;
    XButton btnShiftDown;
    short curtabindex;
    String TOGGLEBUTTONS = "toggleButtons";
    String ADDFIELDNAME = "addFieldName";
    String REMOVEFIELDNAME = "removeFieldName";
    String MODIFYFIELDNAME = "modifyFieldName";
    String[] fieldnames;
    String suntitled;
    Integer IFieldFormatStep;

    public FieldFormatter(TableWizard _CurUnoDialog, TableDescriptor _curTableDescriptor)
    {
        this.CurUnoDialog = _CurUnoDialog;
        curtabindex = (short) (TableWizard.SOFIELDSFORMATPAGE * 100);
        IFieldFormatStep = new Integer(TableWizard.SOFIELDSFORMATPAGE);
        String sFieldName = CurUnoDialog.m_oResource.getResText(UIConsts.RID_TABLE + 23);
        String sFieldNames = CurUnoDialog.m_oResource.getResText(UIConsts.RID_TABLE + 25);
        String sfieldinfo = CurUnoDialog.m_oResource.getResText(UIConsts.RID_TABLE + 20);
        String sbtnplushelptext = CurUnoDialog.m_oResource.getResText(UIConsts.RID_TABLE + 45);
        String sbtnminushelptext = CurUnoDialog.m_oResource.getResText(UIConsts.RID_TABLE + 46);

        suntitled = CurUnoDialog.m_oResource.getResText(UIConsts.RID_TABLE + 43);

        CurUnoDialog.insertLabel("lblFieldNames",
                new String[]
                {
                    PropertyNames.PROPERTY_HEIGHT, PropertyNames.PROPERTY_LABEL, PropertyNames.PROPERTY_POSITION_X, PropertyNames.PROPERTY_POSITION_Y, PropertyNames.PROPERTY_STEP, PropertyNames.PROPERTY_TABINDEX, PropertyNames.PROPERTY_WIDTH
                },
                new Object[]
                {
                    UIConsts.INTEGERS[8], sFieldNames, 91, 27, IFieldFormatStep, new Short(curtabindex++), 90
                });

        try
        {
            xlstFieldNames = CurUnoDialog.insertListBox("lstfieldnames", 3, null, this,
                    new String[]
                    {
                        PropertyNames.PROPERTY_HEIGHT, PropertyNames.PROPERTY_HELPURL, PropertyNames.PROPERTY_POSITION_X, PropertyNames.PROPERTY_POSITION_Y, PropertyNames.PROPERTY_STEP, PropertyNames.PROPERTY_TABINDEX, PropertyNames.PROPERTY_WIDTH
                    },
                    new Object[]
                    {
                        133, "HID:WIZARDS_HID_DLGTABLE_LB_SELFIELDNAMES", 92, 37, IFieldFormatStep, new Short(curtabindex++), 62
                    });
        }
        catch (Exception e)
        {
            e.printStackTrace(System.out);
        }

        FontDescriptor oFontDesc = new FontDescriptor();
        oFontDesc.Name = "StarSymbol";

        btnShiftUp = CurUnoDialog.insertButton("btnShiftUp", "shiftFieldNameUp", this,
                new String[]
                {
                    PropertyNames.PROPERTY_ENABLED, PropertyNames.FONT_DESCRIPTOR, PropertyNames.PROPERTY_HEIGHT, PropertyNames.PROPERTY_HELPURL, PropertyNames.PROPERTY_LABEL, PropertyNames.PROPERTY_POSITION_X, PropertyNames.PROPERTY_POSITION_Y, PropertyNames.PROPERTY_STEP, PropertyNames.PROPERTY_TABINDEX, PropertyNames.PROPERTY_WIDTH
                },
                new Object[]
                {
                    Boolean.FALSE, oFontDesc, 14, "HID:WIZARDS_HID_DLGTABLE_CMDMOVEFIELDUP", String.valueOf((char) 8743), 158, 139, IFieldFormatStep, new Short(curtabindex++), 14
                });

        btnShiftDown = CurUnoDialog.insertButton("btnShiftDown", "shiftFieldNameDown", this,
                new String[]
                {
                    PropertyNames.PROPERTY_ENABLED, PropertyNames.FONT_DESCRIPTOR, PropertyNames.PROPERTY_HEIGHT, PropertyNames.PROPERTY_HELPURL, PropertyNames.PROPERTY_LABEL, PropertyNames.PROPERTY_POSITION_X, PropertyNames.PROPERTY_POSITION_Y, PropertyNames.PROPERTY_STEP, PropertyNames.PROPERTY_TABINDEX, PropertyNames.PROPERTY_WIDTH
                },
                new Object[]
                {
                    Boolean.FALSE, oFontDesc, 14, "HID:WIZARDS_HID_DLGTABLE_CMDMOVEFIELDDOWN", String.valueOf((char) 8744), 158, 156, IFieldFormatStep, new Short(curtabindex++), 14
                });
        oFontDesc = new FontDescriptor();
        oFontDesc.Weight = com.sun.star.awt.FontWeight.BOLD;
        oFontDesc.Height = (short) 13;
        btnminus = CurUnoDialog.insertButton("btnminus", "removeFieldName", this,
                new String[]
                {
                    PropertyNames.FONT_DESCRIPTOR, PropertyNames.PROPERTY_HEIGHT, PropertyNames.PROPERTY_HELPURL, PropertyNames.PROPERTY_LABEL, PropertyNames.PROPERTY_POSITION_X, PropertyNames.PROPERTY_POSITION_Y, PropertyNames.PROPERTY_STEP, PropertyNames.PROPERTY_TABINDEX, PropertyNames.PROPERTY_WIDTH
                },
                new Object[]
                {
                    oFontDesc, 14, "HID:WIZARDS_HID_DLGTABLE_CMDMINUS", "-", 118, 175, IFieldFormatStep, new Short(curtabindex++), 14
                });

        btnplus = CurUnoDialog.insertButton("btnplus", "addFieldName", this,
                new String[]
                {
                    PropertyNames.FONT_DESCRIPTOR, PropertyNames.PROPERTY_HEIGHT, PropertyNames.PROPERTY_HELPURL, PropertyNames.PROPERTY_LABEL, PropertyNames.PROPERTY_POSITION_X, PropertyNames.PROPERTY_POSITION_Y, PropertyNames.PROPERTY_STEP, PropertyNames.PROPERTY_TABINDEX, PropertyNames.PROPERTY_WIDTH
                },
                new Object[]
                {
                    oFontDesc, 14, "HID:WIZARDS_HID_DLGTABLE_CMDPLUS", "+", 137, 175, IFieldFormatStep, new Short(curtabindex++), 14
                });

        CurUnoDialog.insertControlModel("com.sun.star.awt.UnoControlFixedLineModel", "ColDescriptorHeader",
                new String[]
                {
                    PropertyNames.PROPERTY_HEIGHT, PropertyNames.PROPERTY_LABEL, PropertyNames.ORIENTATION, PropertyNames.PROPERTY_POSITION_X, PropertyNames.PROPERTY_POSITION_Y, PropertyNames.PROPERTY_STEP, PropertyNames.PROPERTY_TABINDEX, PropertyNames.PROPERTY_WIDTH
                },
                new Object[]
                {
                    8, sfieldinfo, 0, 158, 27, IFieldFormatStep, new Short(curtabindex++), 165
                });


        CurUnoDialog.insertLabel("lblFieldName",
                new String[]
                {
                    PropertyNames.PROPERTY_HEIGHT, PropertyNames.PROPERTY_LABEL, PropertyNames.PROPERTY_POSITION_X, PropertyNames.PROPERTY_POSITION_Y, PropertyNames.PROPERTY_STEP, PropertyNames.PROPERTY_TABINDEX, PropertyNames.PROPERTY_WIDTH
                },
                new Object[]
                {
                    UIConsts.INTEGERS[8], sFieldName, 158, 39, IFieldFormatStep, new Short(curtabindex++), 94
                });

        txtfieldname = CurUnoDialog.insertTextField("txtfieldname", MODIFYFIELDNAME, this,
                new String[]
                {
                    PropertyNames.PROPERTY_HEIGHT, PropertyNames.PROPERTY_HELPURL, PropertyNames.PROPERTY_POSITION_X, PropertyNames.PROPERTY_POSITION_Y, PropertyNames.PROPERTY_STEP, PropertyNames.PROPERTY_TABINDEX, "Text", PropertyNames.PROPERTY_WIDTH
                },
                new Object[]
                {
                    UIConsts.INTEGER_12, "HID:WIZARDS_HID_DLGTABLE_COLNAME", 274, 37, IFieldFormatStep, new Short(curtabindex++), PropertyNames.EMPTY_STRING, 50
                });
        txtfieldname.addTextListener(CurUnoDialog);
        CurUnoDialog.getPeerConfiguration().setAccessibleName(btnplus, sbtnplushelptext);
        CurUnoDialog.getPeerConfiguration().setAccessibleName(btnminus, sbtnminushelptext);
    }

    public void initialize(TableDescriptor _curTableDescriptor, String[] _fieldnames)
    {
        if (oColumnDescriptorModel == null)
        {
            oColumnDescriptorModel = CurUnoDialog.insertControlModel("com.sun.star.sdb.ColumnDescriptorControlModel", "oColumnDescriptor",
                    new String[]
                    {
                        PropertyNames.PROPERTY_HEIGHT, PropertyNames.PROPERTY_POSITION_X, PropertyNames.PROPERTY_POSITION_Y, PropertyNames.PROPERTY_STEP, PropertyNames.PROPERTY_TABINDEX, PropertyNames.PROPERTY_WIDTH, "EditWidth"
                    }, // PropertyNames.PROPERTY_HELPURL
                    new Object[]
                    {
                        85, 158, 49, IFieldFormatStep, new Short(curtabindex++), 166, 50
                    });  //, "HID:WIZARDS_HID_DLGTABLE_COLMODIFIER"
            curTableDescriptor = _curTableDescriptor;
            Helper.setUnoPropertyValue(oColumnDescriptorModel, PropertyNames.ACTIVE_CONNECTION, _curTableDescriptor.DBConnection);
            txtfieldname.setMaxTextLen((short) this.curTableDescriptor.getMaxColumnNameLength());
        }
        else
        {
            int nStep = ((Integer) Helper.getUnoPropertyValue(oColumnDescriptorModel, PropertyNames.PROPERTY_STEP)).intValue();
            if (nStep > IFieldFormatStep.intValue())
            {
                Helper.setUnoPropertyValue(oColumnDescriptorModel, PropertyNames.PROPERTY_STEP, IFieldFormatStep);
                CurUnoDialog.repaintDialogStep();
            }
        }
        Helper.setUnoPropertyValue(UnoDialog.getModel(xlstFieldNames), PropertyNames.STRING_ITEM_LIST, _fieldnames);
        Helper.setUnoPropertyValue(UnoDialog.getModel(xlstFieldNames), PropertyNames.SELECTED_ITEMS, new short[]
                {
                    0
                });
        updateColumnDescriptor(_fieldnames[0], curTableDescriptor.getByName(_fieldnames[0]));
        toggleButtons();
        CurUnoDialog.setFocus("lstfieldnames");
    }

    public void toggleButtons()
    {
        boolean benableShiftUpButton = false;
        boolean benableShiftDownButton = false;
        boolean bfieldnameisselected = Helper.getUnoArrayPropertyValue(UnoDialog.getModel(xlstFieldNames), PropertyNames.SELECTED_ITEMS) != null;
        int ilistcount = /* xlstFieldNames.getItemCount();*/ UnoDialog.getListBoxItemCount(xlstFieldNames);
        boolean blistispopulated = (ilistcount > 0);
        if (bfieldnameisselected)
        {
            int iselpos = xlstFieldNames.getSelectedItemPos();
            benableShiftUpButton = (iselpos != 0);
            benableShiftDownButton = (iselpos != ilistcount - 1);
        }
        Helper.setUnoPropertyValue(UnoDialog.getModel(btnShiftUp), PropertyNames.PROPERTY_ENABLED, Boolean.valueOf(benableShiftUpButton));
        Helper.setUnoPropertyValue(UnoDialog.getModel(btnShiftDown), PropertyNames.PROPERTY_ENABLED, Boolean.valueOf(benableShiftDownButton));
        Helper.setUnoPropertyValue(UnoDialog.getModel(btnminus), PropertyNames.PROPERTY_ENABLED, Boolean.valueOf(blistispopulated));
        CurUnoDialog.setcompleted(TableWizard.SOFIELDSFORMATPAGE, blistispopulated);
    }

    public void addFieldName()
    {
        String snewfieldname = Desktop.getUniqueName(xlstFieldNames.getItems(), suntitled, PropertyNames.EMPTY_STRING);
        short icount = xlstFieldNames.getItemCount();
        if (CurUnoDialog.verifyfieldcount(icount))
        {
            xlstFieldNames.addItem(snewfieldname, icount);
            Helper.setUnoPropertyValue(UnoDialog.getModel(xlstFieldNames), PropertyNames.SELECTED_ITEMS, new short[]
                    {
                        icount
                    });
            toggleButtons();
            FieldDescription curfielddescription = new FieldDescription(snewfieldname);
            CurUnoDialog.fielditems.put(snewfieldname, curfielddescription);
            curTableDescriptor.addColumn(curfielddescription.getPropertyValues());
            updateColumnDescriptor(snewfieldname, curTableDescriptor.getByName(snewfieldname));
            CurUnoDialog.setControlVisible("oColumnDescriptor", true);
            CurUnoDialog.repaintDialogStep();
        }
    }

    public void removeFieldName()
    {
        String[] fieldnames = (String[]) Helper.getUnoPropertyValue(UnoDialog.getModel(xlstFieldNames), PropertyNames.STRING_ITEM_LIST);
        short ipos = UnoDialog.getSelectedItemPos(xlstFieldNames);
        String fieldname = fieldnames[ipos];
        xlstFieldNames.removeItems(ipos, (short) 1);
        CurUnoDialog.fielditems.remove(fieldname);
        int ilistcount = /* xlstFieldNames.getItemCount();*/ UnoDialog.getListBoxItemCount(xlstFieldNames);
        if ((ipos) < ilistcount)
        {
            Helper.setUnoPropertyValue(UnoDialog.getModel(xlstFieldNames), PropertyNames.SELECTED_ITEMS, new short[]
                    {
                        ipos
                    });
        }
        else
        {
            if (ilistcount > -1)
            {
                ipos = (short) ((short) ilistcount - (short) 1);
                Helper.setUnoPropertyValue(UnoDialog.getModel(xlstFieldNames), PropertyNames.SELECTED_ITEMS, new short[]
                        {
                            ipos
                        });
            }
        }
        curTableDescriptor.dropColumnbyName(fieldname);
        fieldnames = (String[]) Helper.getUnoPropertyValue(UnoDialog.getModel(xlstFieldNames), PropertyNames.STRING_ITEM_LIST);
        boolean benable = ((ipos > -1) && (ipos < fieldnames.length));
        if (benable)
        {
            String snewfieldname = fieldnames[ipos];
            updateColumnDescriptor(snewfieldname, curTableDescriptor.getByName(snewfieldname));
            toggleButtons();
        }
        else
        {
            Helper.setUnoPropertyValue(UnoDialog.getModel(txtfieldname), "Text", PropertyNames.EMPTY_STRING);
            Helper.setUnoPropertyValue(UnoDialog.getModel(btnminus), PropertyNames.PROPERTY_ENABLED, Boolean.valueOf(benable));
            CurUnoDialog.setcompleted(TableWizard.SOFIELDSFORMATPAGE, benable);
        }
        Helper.setUnoPropertyValue(UnoDialog.getModel(btnminus), PropertyNames.PROPERTY_ENABLED, Boolean.valueOf(benable));
        CurUnoDialog.setControlVisible("oColumnDescriptor", benable);
        CurUnoDialog.repaintDialogStep();
    }

    public void modifyFieldName()
    {
        String newfieldname = txtfieldname.getText();
        String oldfieldname = xlstFieldNames.getSelectedItem();
        if (!newfieldname.equals(oldfieldname))
        {
            if (curTableDescriptor.modifyColumnName(oldfieldname, newfieldname))
            {
                Object oColumn = Helper.getUnoPropertyValue(oColumnDescriptorModel, "Column");
                Helper.setUnoPropertyValue(oColumn, PropertyNames.PROPERTY_NAME, newfieldname);
                FieldDescription curfielddescription = (FieldDescription) CurUnoDialog.fielditems.get(oldfieldname);
                CurUnoDialog.fielditems.remove(oldfieldname);
                curfielddescription.setName(newfieldname);
                CurUnoDialog.fielditems.put(newfieldname, curfielddescription);
                String[] fieldnames = xlstFieldNames.getItems();
                short ipos = xlstFieldNames.getSelectedItemPos();
                fieldnames[ipos] = newfieldname;
                Helper.setUnoPropertyValue(UnoDialog.getModel(xlstFieldNames), PropertyNames.STRING_ITEM_LIST, fieldnames);
                Helper.setUnoPropertyValue(UnoDialog.getModel(xlstFieldNames), PropertyNames.SELECTED_ITEMS, new short[]
                        {
                            ipos
                        });
            }
        }
    }

    public void shiftFieldNameUp()
    {
        short ipos = xlstFieldNames.getSelectedItemPos();
        String[] snewlist = shiftArrayItem(xlstFieldNames.getItems(), ipos, -1);
        Helper.setUnoPropertyValue(UnoDialog.getModel(xlstFieldNames), PropertyNames.STRING_ITEM_LIST, snewlist);
        if ((ipos - 1) > -1)
        {
            Helper.setUnoPropertyValue(UnoDialog.getModel(xlstFieldNames), PropertyNames.SELECTED_ITEMS, new short[]
                    {
                        (short) (ipos - 1)
                    });
            curTableDescriptor.moveColumn(ipos, ipos - 1);
        }
        toggleButtons();
    }

    public void shiftFieldNameDown()
    {
        short ipos = xlstFieldNames.getSelectedItemPos();
        String[] snewlist = shiftArrayItem(xlstFieldNames.getItems(), ipos, 1);
        Helper.setUnoPropertyValue(UnoDialog.getModel(xlstFieldNames), PropertyNames.STRING_ITEM_LIST, snewlist);
        if ((ipos + 1) < xlstFieldNames.getItemCount())
        {
            Helper.setUnoPropertyValue(UnoDialog.getModel(xlstFieldNames), PropertyNames.SELECTED_ITEMS, new short[]
                    {
                        (short) (ipos + 1)
                    });
            curTableDescriptor.moveColumn(ipos, ipos + 1);
        }
        toggleButtons();
    }

    public String[] shiftArrayItem(String[] _slist, int _oldindex, int _shiftcount)
    {
        int newindex = _oldindex + _shiftcount;
        if ((newindex >= 0) && (newindex < _slist.length))
        {
            String buffer = _slist[newindex];
            _slist[newindex] = _slist[_oldindex];
            _slist[_oldindex] = buffer;
        }
        return _slist;
    }

    public boolean updateColumnofColumnDescriptor()
    {
        Object oColumn = Helper.getUnoPropertyValue(oColumnDescriptorModel, "Column");
        XPropertySet xColPropertySet = UnoRuntime.queryInterface(XPropertySet.class, oColumn);
        if (xColPropertySet != null)
        {
            curTableDescriptor.modifyColumn(txtfieldname.getText(), xColPropertySet);
            return true;
        }
        return false;
    }

    private void updateColumnDescriptor(String _ColumnName, XPropertySet _xColumn)
    {
        updateColumnofColumnDescriptor();
        XPropertySet xNewPropertySet = curTableDescriptor.clonePropertySet(_ColumnName, _xColumn);
        if (xNewPropertySet != null)
        {
            Helper.setUnoPropertyValue(oColumnDescriptorModel, "Column", xNewPropertySet);
        }
        txtfieldname.setText(_ColumnName);
    }

    public XPropertySet clonePropertySet(XPropertySet _xPropertySet)
    {
        return null;
    }

    public void itemStateChanged(ItemEvent arg0)
    {
        String fieldname = xlstFieldNames.getSelectedItem();
        XPropertySet xColumn = curTableDescriptor.getByName(fieldname);
        updateColumnDescriptor(fieldname, xColumn);
        toggleButtons();
    }

    public boolean iscompleted()
    {
        String[] sfieldnames = (String[]) Helper.getUnoPropertyValue(UnoDialog.getModel(xlstFieldNames), PropertyNames.STRING_ITEM_LIST);
        return sfieldnames.length > 0;
    }

    public String[] getFieldNames()
    {
        return (String[]) Helper.getUnoPropertyValue(UnoDialog.getModel(xlstFieldNames), PropertyNames.STRING_ITEM_LIST);
    }

    /* (non-Javadoc)
     * @see com.sun.star.lang.XEventListener#disposing(com.sun.star.lang.EventObject)
     */
    public void disposing(EventObject arg0)
    {
        // TODO Auto-generated method stub
    }
}