com.siderakis.demo.client.MultiSelectDemo.java Source code

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Here is the source code for com.siderakis.demo.client.MultiSelectDemo.java

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/*
 * Copyright 2010 Nick Siderakis.
 * 
 * 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 com.siderakis.demo.client;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.event.dom.client.ChangeHandler;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.Label;
import com.siderakis.demo.client.Upload4gwt.DemoComposite;
import com.siderakis.upload4gwt.client.UploadFormPanel;
import com.siderakis.upload4gwt.client.ui.File;
import com.siderakis.upload4gwt.client.ui.FileInput;
import com.siderakis.upload4gwt.client.ui.SimpleProgressBar;

public class MultiSelectDemo extends DemoComposite {
    private static final String UPLOAD_ACTION_URL = GWT.getModuleBaseURL() + "upload";

    public MultiSelectDemo() {
        final UploadFormPanel form = new UploadFormPanel();
        form.setAction(UPLOAD_ACTION_URL);

        form.setWidget(panel);
        addMultiUploadInput();
        panel.add(new Button("Submit", new ClickHandler() {
            @Override
            public void onClick(final ClickEvent event) {
                form.submit();
            }
        }));

        final SimpleProgressBar simpleProgressBar = new SimpleProgressBar();
        panel.add(simpleProgressBar);
        form.setStatusDisplay(simpleProgressBar);
        outer.add(form);

        addSourceCodeLink("FullFormDemo");
    }

    private void addMultiUploadInput() {
        final FileInput fileInput = new FileInput();
        fileInput.setAllowMultipleFiles(true);
        panel.add(new Label(fileInput.supportsFileAPI() ? "Select multiple files:"
                : "Your browser doesn't support multiple files!:"));

        fileInput.setName("uploadFormElement");

        panel.add(fileInput);

        final FlexTable table = new FlexTable();
        panel.add(table);
        fileInput.addChangeHandler(new ChangeHandler() {
            @Override
            public void onChange(final ChangeEvent event) {
                table.removeAllRows();
                table.setHTML(0, 0, "<b>File name</b>");
                table.setHTML(0, 1, "<b>File size</b>");
                int row = 1;
                for (final File file : fileInput.getFiles()) {
                    table.setText(row, 0, file.getFileName());
                    table.setText(row, 1, file.getFileSize() + "");
                    ++row;
                }
            }
        });
    }

}