/*
 * Copyright (c) 2010, Michael Grossmann
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * * 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.
 * * Neither the name of the jo-widgets.org 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 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
package org.jowidgets.spi.impl.swing.common.widgets;

import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;

import javax.swing.JPasswordField;
import javax.swing.JTextField;

import org.jowidgets.common.color.IColorConstant;
import org.jowidgets.common.mask.TextMaskMode;
import org.jowidgets.common.types.InputChangeEventPolicy;
import org.jowidgets.common.types.Markup;
import org.jowidgets.common.verify.IInputVerifier;
import org.jowidgets.spi.impl.controller.InputObservable;
import org.jowidgets.spi.impl.mask.TextMaskVerifierFactory;
import org.jowidgets.spi.impl.swing.common.util.AlignmentConvert;
import org.jowidgets.spi.impl.swing.common.util.FontProvider;
import org.jowidgets.spi.impl.swing.common.widgets.base.JoTextField;
import org.jowidgets.spi.impl.swing.common.widgets.util.InputModifierDocument;
import org.jowidgets.spi.impl.verify.InputVerifierHelper;
import org.jowidgets.spi.widgets.ITextControlSpi;
import org.jowidgets.spi.widgets.setup.ITextFieldSetupSpi;

public class TextFieldImpl extends AbstractInputControl implements ITextControlSpi {

    private final InputModifierDocument modifierDocument;

    private final boolean inheritBackground;

    public TextFieldImpl(final ITextFieldSetupSpi setup) {
        super(setup.isPasswordPresentation() ? new JPasswordField() : new JoTextField());

        if (!setup.hasBorder()) {
            getUiReference().setBorder(null);
        }

        getUiReference().setHorizontalAlignment(AlignmentConvert.convert(setup.getAlignment()));

        this.inheritBackground = setup.isInheritBackground();
        if (inheritBackground) {
            getUiReference().setOpaque(false);
        }

        final IInputVerifier maskVerifier = TextMaskVerifierFactory.create(this, setup.getMask());

        final IInputVerifier inputVerifier = InputVerifierHelper.getInputVerifier(maskVerifier, setup);

        final InputObservable inputObservable;
        if (setup.getInputChangeEventPolicy() == InputChangeEventPolicy.ANY_CHANGE) {
            inputObservable = this;
        }
        else if (setup.getInputChangeEventPolicy() == InputChangeEventPolicy.EDIT_FINISHED) {
            inputObservable = null;
            getUiReference().addFocusListener(new FocusAdapter() {
                @Override
                public void focusLost(final FocusEvent e) {
                    fireInputChanged(getText());
                }
            });
        }
        else {
            throw new IllegalArgumentException("InputChangeEventPolicy '" + setup.getInputChangeEventPolicy() + "' is not known.");
        }

        this.modifierDocument = new InputModifierDocument(getUiReference(), inputVerifier, inputObservable, setup.getMaxLength());

        getUiReference().setDocument(modifierDocument);
        if (setup.getMask() != null && TextMaskMode.FULL_MASK == setup.getMask().getMode()) {
            setText(setup.getMask().getPlaceholder());
            getUiReference().addFocusListener(new FocusAdapter() {
                @Override
                public void focusGained(final FocusEvent e) {
                    final JTextField uiReference = getUiReference();
                    if (uiReference.getSelectionEnd() - uiReference.getSelectionStart() == 0) {
                        uiReference.setCaretPosition(0);
                    }
                }
            });
        }
    }

    @Override
    public JTextField getUiReference() {
        return (JTextField) super.getUiReference();
    }

    @Override
    public String getText() {
        return getUiReference().getText();
    }

    @Override
    public void setText(final String text) {
        modifierDocument.setProgramaticChangeState(true);
        getUiReference().setText(text);
        modifierDocument.setProgramaticChangeState(false);
        if (!getUiReference().isFocusOwner()) {
            fireInputChanged(getText());
        }
    }

    @Override
    public void setFontSize(final int size) {
        getUiReference().setFont(FontProvider.deriveFont(getUiReference().getFont(), size));
    }

    @Override
    public void setFontName(final String fontName) {
        getUiReference().setFont(FontProvider.deriveFont(getUiReference().getFont(), fontName));
    }

    @Override
    public void setMarkup(final Markup markup) {
        getUiReference().setFont(FontProvider.deriveFont(getUiReference().getFont(), markup));
    }

    @Override
    public void setSelection(final int start, final int end) {
        getUiReference().setSelectionStart(start);
        getUiReference().setSelectionEnd(end);
    }

    @Override
    public void select() {
        getUiReference().selectAll();
    }

    @Override
    public void setCaretPosition(final int pos) {
        getUiReference().setCaretPosition(pos);
    }

    @Override
    public int getCaretPosition() {
        return getUiReference().getCaretPosition();
    }

    @Override
    public void setEditable(final boolean editable) {
        getUiReference().setEditable(editable);
    }

    @Override
    public void setBackgroundColor(final IColorConstant colorValue) {
        if (inheritBackground) {
            if (colorValue != null) {
                getUiReference().setOpaque(true);
            }
            else {
                getUiReference().setOpaque(false);
            }
        }

        super.setBackgroundColor(colorValue);
    }

}