Dépôt officiel du code source de l'ERP OpenConcerto

/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * Copyright 2011 OpenConcerto, by ILM Informatique. All rights reserved.

 *

 * The contents of this file are subject to the terms of the GNU General Public License Version 3

 * only ("GPL"). You may not use this file except in compliance with the License. You can obtain a

 * copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific

 * language governing permissions and limitations under the License.

 *

 * When distributing the software, include this License Header Notice in each file.

 */

 package org.openconcerto.ui.light;

import org.openconcerto.utils.io.JSONConverter;

import org.openconcerto.utils.io.Transferable;

import java.io.Externalizable;

import java.io.IOException;

import java.io.ObjectInput;

import java.io.ObjectOutput;

import org.jdom2.Element;

import net.minidev.json.JSONObject;

public class ColumnSpec implements Externalizable, Transferable {

    private static final String DEFAULT_VALUE = "default-value";

    private static final String EDITORS = "editors";

    private static final String VALUE_CLASS = "value-class";

    private static final String ID = "id";

    private static final String COLUMN_NAME = "column-name";

    private static final String WIDTH = "width";

    private static final String MAX_WIDTH = "max-width";

    private static final String MIN_WIDTH = "min-width";

    private static final String EDITABLE = "editable";

    private static final String HORIZONTAL_ALIGNMENT = "h-align";

    // Must stay immutable

    private String id;

    private String columnName;

    private Class<?> valueClass;

    // Default value (to add a new line)

    private Object defaultValue;

    private Integer horizontalAlignment = LightUIElement.HALIGN_LEFT;

    private double width;

    private double maxWidth;

    private double minWidth;

    private boolean editable;

    private LightUIElement editors;

    public ColumnSpec() {

        // Serialization

    }

    public ColumnSpec(final JSONObject json) {

        this.fromJSON(json);

    }

    public ColumnSpec(final String id, final Class<?> valueClass, final String columnName, final Object defaultValue, final double width, final boolean editable, final LightUIElement editors) {

        this.init(id, valueClass, columnName, defaultValue, editable, editors);

        this.width = width;

        final double minWidth = width - 200;

        final double maxWidth = width + 200;

        this.minWidth = (minWidth < 10) ? 10 : minWidth;

        this.maxWidth = maxWidth;

    }

    public ColumnSpec(final String id, final Class<?> valueClass, final String columnName, final Object defaultValue) {

        this.init(id, valueClass, columnName, defaultValue, false, null);

        this.setDefaultPrefs();

    }

    public ColumnSpec(final String id, final Class<?> valueClass, final String columnName, final Object defaultValue, final boolean editable, final LightUIElement editors) {

        this.init(id, valueClass, columnName, defaultValue, editable, editors);

        this.setDefaultPrefs();

    }

    private void init(final String id, final Class<?> valueClass, final String columnName, final Object defaultValue, final boolean editable, final LightUIElement editors) {

        this.id = id;

        this.valueClass = valueClass;

        this.columnName = columnName;

        this.defaultValue = defaultValue;

        this.editable = editable;

        this.editors = editors;

    }

    public void setPrefs(final double width, final double maxWidth, final double minWidth) {

        this.width = width;

        this.maxWidth = maxWidth;

        this.minWidth = minWidth;

    }

    public String getId() {

        return this.id;

    }

    public void setId(String id) {

        this.id = id;

    }

    public Class<?> getValueClass() {

        return this.valueClass;

    }

    public void setValueClass(Class<?> valueClass) {

        this.valueClass = valueClass;

    }

    public int getHorizontalAlignment() {

        return this.horizontalAlignment;

    }

    /**

     *

     * @param horizontalAlignment LightUIElement.HALIGN_LEFT, LightUIElement.HALIGN_RIGHT or

     *        LightUIElement.HALIGN_CENTER

     */

    public void setHorizontalAlignment(final int horizontalAlignment) {

        this.horizontalAlignment = horizontalAlignment;

    }

    public String getColumnName() {

        return this.columnName;

    }

    public void setColumnName(String columnName) {

        this.columnName = columnName;

    }

    public Object getDefaultValue() {

        return this.defaultValue;

    }

    public void setDefaultValue(Object defaultValue) {

        this.defaultValue = defaultValue;

    }

    public double getMaxWidth() {

        return this.maxWidth;

    }

    public void setMaxWidth(final double maxWidth) {

        this.maxWidth = maxWidth;

    }

    public double getMinWidth() {

        return this.minWidth;

    }

    public void setMinWidth(final double minWidth) {

        this.minWidth = minWidth;

    }

    public double getWidth() {

        return this.width;

    }

    public void setWidth(double width) {

        this.width = width;

    }

    public boolean isEditable() {

        return this.editable;

    }

    public void setEditable(boolean editable) {

        this.editable = editable;

    }

    public LightUIElement getEditor() {

        return this.editors;

    }

    public void setEditors(LightUIElement editors) {

        this.editors = editors;

    }

    private void setDefaultPrefs() {

        // TODO : Faire varier en fonction du type;

        this.width = 200;

        this.maxWidth = 500;

        this.minWidth = 50;

        this.horizontalAlignment = LightUIElement.HALIGN_LEFT;

    }

    public Element createXmlColumnPref() {

        final Element columnElement = new Element("column");

        columnElement.setAttribute(ID, this.getId());

        columnElement.setAttribute(MAX_WIDTH, String.valueOf(this.getMaxWidth()));

        columnElement.setAttribute(MIN_WIDTH, String.valueOf(this.getMinWidth()));

        columnElement.setAttribute(WIDTH, String.valueOf(this.getWidth()));

        return columnElement;

    }

    @Override

    public void writeExternal(ObjectOutput out) throws IOException {

        out.writeUTF(this.id);

        out.writeUTF(this.columnName);

        out.writeDouble(this.width);

        out.writeDouble(this.maxWidth);

        out.writeDouble(this.minWidth);

        out.writeObject(this.defaultValue);

        out.writeBoolean(this.editable);

        out.writeObject(this.editors);

        out.writeObject(this.valueClass);

        out.writeInt(this.horizontalAlignment);

    }

    @Override

    public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {

        this.id = in.readUTF();

        this.columnName = in.readUTF();

        this.width = in.readDouble();

        this.maxWidth = in.readDouble();

        this.minWidth = in.readDouble();

        this.defaultValue = in.readObject();

        this.editable = in.readBoolean();

        this.editors = (LightUIElement) in.readObject();

        this.valueClass = (Class<?>) in.readObject();

        this.horizontalAlignment = in.readInt();

    }

    @Override

    public JSONObject toJSON() {

        final JSONObject result = new JSONObject();

        result.put("class", "ColumnSpec");

        result.put(ID, this.id);

        result.put(COLUMN_NAME, this.columnName);

        result.put(WIDTH, this.width);

        result.put(MAX_WIDTH, this.maxWidth);

        result.put(MIN_WIDTH, this.minWidth);

        if (this.defaultValue != null) {

            result.put(DEFAULT_VALUE, JSONConverter.getJSON(this.defaultValue));

        }

        if (this.editable) {

            result.put(EDITABLE, true);

        }

        if (this.editors != null) {

            result.put(EDITORS, JSONConverter.getJSON(this.editors));

        }

        result.put(VALUE_CLASS, JSONConverter.getJSON(this.valueClass));

        if (this.horizontalAlignment != LightUIElement.HALIGN_LEFT) {

            result.put(HORIZONTAL_ALIGNMENT, this.horizontalAlignment);

        }

        return result;

    }

    @Override

    public void fromJSON(final JSONObject json) {

        this.id = JSONConverter.getParameterFromJSON(json, ID, String.class);

        this.columnName = JSONConverter.getParameterFromJSON(json, COLUMN_NAME, String.class);

        /** JavaScript convert Double to Long, this will fix that. **/

        final Number numWidth = JSONConverter.getParameterFromJSON(json, WIDTH, Number.class);

        final Number numMaxWidth = JSONConverter.getParameterFromJSON(json, MAX_WIDTH, Number.class);

        final Number numMinWidth = JSONConverter.getParameterFromJSON(json, MIN_WIDTH, Number.class);

        if (numWidth != null) {

            this.width = numWidth.doubleValue();

        }

        if (numMaxWidth != null) {

            this.maxWidth = numMaxWidth.doubleValue();

        }

        if (numMinWidth != null) {

            this.minWidth = numMinWidth.doubleValue();

        }

        /************************************************************/

        this.editable = JSONConverter.getParameterFromJSON(json, EDITABLE, Boolean.class, Boolean.FALSE);

        this.horizontalAlignment = JSONConverter.getParameterFromJSON(json, HORIZONTAL_ALIGNMENT, Integer.class);

        if (this.horizontalAlignment == null) {

            this.horizontalAlignment = LightUIElement.HALIGN_LEFT;

        }

        final JSONObject jsonDefaultValue = JSONConverter.getParameterFromJSON(json, DEFAULT_VALUE, JSONObject.class);

        // TODO: implement default value

        final JSONObject jsonEditors = JSONConverter.getParameterFromJSON(json, EDITORS, JSONObject.class);

        if (jsonEditors != null) {

            this.editors = JSONToLightUIConvertorManager.getInstance().createUIElementFromJSON(jsonEditors);

        }

        final String sValueClass = JSONConverter.getParameterFromJSON(json, VALUE_CLASS, String.class);

        if (sValueClass != null) {

            try {

                this.valueClass = Class.forName(sValueClass);

            } catch (Exception ex) {

                throw new IllegalArgumentException("invalid value for 'value-class', " + ex.getMessage());

            }

        }

    }

}