groovy.swing.factory.ColumnFactory.groovy Maven / Gradle / Ivy

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/*
 * Copyright 2003-2007 the original author or authors.
 *
 * Licensed 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 groovy.swing.factory

import javax.swing.table.TableCellRenderer
import javax.swing.table.TableColumn
import javax.swing.table.TableColumnModel
import groovy.util.logging.Log

/**
 * @author Alexander Klein
 * @author Hamlet D'Arcy
 */
@Log
class ColumnFactory extends AbstractFactory {

    Object newInstance(FactoryBuilderSupport builder, Object name, Object value, Map attributes) {
        if(value instanceof TableColumn) {
            return value
        }

        TableColumn node
        Class jxTableClass = null
        try {
            jxTableClass = Class.forName("org.jdesktop.swingx.JXTable")
        } catch (ClassNotFoundException ex) {
        }

        if(jxTableClass != null && builder.current instanceof TableColumnModel) {
            node = Class.forName("org.jdesktop.swingx.table.TableColumnExt").newInstance()
        } else {
            node = new javax.swing.table.TableColumn()
        }

        if(value != null) {
            node.identifier = value.toString()
            attributes.remove('identifier')
        }

        if(attributes.width) {
            if(attributes.width instanceof Collection) {
                // 3 values: min, pref, max
                // 2 values: min, pref
                // 1 value:  pref
                def (min, pref, max) = attributes.width
                if(!pref && !max) {
                    node.minWidth = 0
                    node.preferredWidth = min as Integer
                    node.maxWidth = Integer.MAX_VALUE
                } else {
                  if(min) {
                      node.minWidth = min as Integer
                  }
                  if(pref) {
                      node.preferredWidth = pref as Integer
                  }
                  if(max) {
                      node.maxWidth = max as Integer
                  }
                }
            } else if(attributes.width instanceof Number) {
                node.minWidth = attributes.width.intValue()
                node.preferredWidth = attributes.width.intValue()
                node.maxWidth = attributes.width.intValue()
            }
            attributes.remove('width')
        }
        return node
    }

    void onNodeCompleted(FactoryBuilderSupport builder, Object parent, Object node) {
        if (!(parent instanceof TableColumnModel)) {
            log.warning("Column must be a child of a columnModel. Found " + parent.getClass())
        }
        parent.addColumn(node)
    }

    void setChild(FactoryBuilderSupport builder, Object parent, Object child) {
        if (!(parent instanceof TableColumn)) {
            log.warning("Renderer must be a child of a tableColumn. Found " + parent.getClass())
        }
        if (child instanceof TableCellRenderer) {
            switch (builder.getCurrentName()) {
                case "headerRenderer":
                    child.tableHeader = true
                    parent.headerRenderer = child
                    break;
                case "cellRenderer":
                    child.tableHeader = false
                    parent.cellRenderer = child
                    break;
            }
        }
    }
}