fr.putnami.pwt.doc.client.page.sample.SamplePage.java Source code

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Here is the source code for fr.putnami.pwt.doc.client.page.sample.SamplePage.java

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/**
 * This file is part of pwt.
 *
 * pwt is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser
 * General Public License as published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * pwt is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
 * General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with pwt. If not,
 * see <http://www.gnu.org/licenses/>.
 */
package fr.putnami.pwt.doc.client.page.sample;

import com.google.common.collect.Multimap;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.RequestException;
import com.google.gwt.http.client.Response;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.IsWidget;
import com.google.gwt.user.client.ui.Widget;

import fr.putnami.pwt.core.inject.client.annotation.PresentHandler;
import fr.putnami.pwt.core.mvp.client.View;
import fr.putnami.pwt.core.widget.client.Anchor;
import fr.putnami.pwt.core.widget.client.Header;
import fr.putnami.pwt.core.widget.client.List;
import fr.putnami.pwt.core.widget.client.List.Type;
import fr.putnami.pwt.core.widget.client.ListItem;
import fr.putnami.pwt.core.widget.client.Panel;
import fr.putnami.pwt.core.widget.client.PanelAccordion;
import fr.putnami.pwt.core.widget.client.binder.UiBinderLocalized;
import fr.putnami.pwt.plugin.code.client.StaticCode;
import fr.putnami.pwt.plugin.code.client.configuration.java.JavaConfiguration;
import fr.putnami.pwt.plugin.code.client.configuration.xml.XmlConfiguration;

public abstract class SamplePage extends Composite implements View {

    interface Binder extends UiBinderLocalized<Widget, SampleLayoutView> {
        UiBinderLocalized<Widget, SampleLayoutView> BINDER = GWT.create(Binder.class);
    }

    public static class SampleLayoutView {
        @UiField
        HTMLPanel sampleContent;
        @UiField
        PanelAccordion sourceAccordion;
        @UiField
        StaticCode sourceCode;
    }

    private class SourceItem extends ListItem implements ClickHandler {

        private final String fileName;

        public SourceItem(String fileName) {
            super();
            this.fileName = fileName;
            String simpleFileName = fileName;
            if (simpleFileName.lastIndexOf("/") != -1) {
                simpleFileName = simpleFileName.substring(simpleFileName.lastIndexOf("/") + 1);
            }
            Anchor<?> anchor = new Anchor<>(simpleFileName);
            anchor.addClickHandler(this);
            this.add(anchor);
        }

        @Override
        public void onClick(ClickEvent event) {
            SamplePage.this.requestFile(this.fileName);
        }
    }

    private final SampleLayoutView samplePageLayout = new SampleLayoutView();

    public SamplePage() {
        this.initWidget(Binder.BINDER.createAndBindUi(this.samplePageLayout));
        this.samplePageLayout.sourceCode.asWidget().setVisible(false);
    }

    protected void addSources(Multimap<String, String> sources) {
        Panel panelToOpen = null;
        String sourceToOpen = null;
        for (String panelName : sources.keySet()) {

            List sourceList = new List();
            sourceList.setType(Type.LIST);
            for (String source : sources.get(panelName)) {
                if (sourceToOpen == null) {
                    sourceToOpen = source;
                }
                sourceList.add(new SourceItem(source));
            }
            Panel sourcePanel = new Panel();
            if (panelToOpen == null) {
                panelToOpen = sourcePanel;
            }
            sourcePanel.add(new Header(panelName));
            sourcePanel.add(sourceList);
            this.samplePageLayout.sourceAccordion.add(sourcePanel);
        }
        this.requestFile(sourceToOpen);
    }

    @PresentHandler
    public void present() {
        this.samplePageLayout.sampleContent.add(this.getSampleWidget());
    }

    private void requestFile(final String fileName) {
        this.samplePageLayout.sourceCode.asWidget().setVisible(false);
        this.samplePageLayout.sourceCode.setText("");

        RequestCallback callBack = new RequestCallback() {

            @Override
            public void onResponseReceived(Request request, Response response) {
                if (fileName.endsWith("xml")) {
                    SamplePage.this.samplePageLayout.sourceCode
                            .setConfiguration(XmlConfiguration.XML_CONFIGURATION);
                } else if (fileName.endsWith("java")) {
                    SamplePage.this.samplePageLayout.sourceCode
                            .setConfiguration(JavaConfiguration.JAVA_CONFIGURATION);
                } else {
                    SamplePage.this.displayError(new RuntimeException("Unknow file type"));
                }
                SamplePage.this.samplePageLayout.sourceCode.setText(response.getText());
                SamplePage.this.samplePageLayout.sourceCode.asWidget().setVisible(true);
            }

            @Override
            public void onError(Request request, Throwable exception) {
                SamplePage.this.displayError(exception);
            }
        };
        RequestBuilder builder = new RequestBuilder(RequestBuilder.GET,
                GWT.getModuleBaseURL() + "sample/" + fileName);
        builder.setCallback(callBack);
        try {
            builder.send();
        } catch (RequestException e) {
            callBack.onError(null, e);
        }
    }

    private void displayError(Throwable exception) {
        GWT.reportUncaughtException(exception);
    }

    protected abstract IsWidget getSampleWidget();
}