com.ariesmcrae.rel.client.view.RelationshipViewImpl.java Source code

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Here is the source code for com.ariesmcrae.rel.client.view.RelationshipViewImpl.java

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/*
 * Copyright 2011 Aries McRae. All Rights Reserved.
 *
 * 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.ariesmcrae.rel.client.view;

import com.ariesmcrae.rel.client.presenter.RelationshipPresenter;
import com.ariesmcrae.rel.model.Participant;
import com.ariesmcrae.rel.model.Relationship;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.dom.client.DivElement;
import com.google.gwt.dom.client.Style.Visibility;
import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.uibinder.client.UiTemplate;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.Widget;

/**
 * @author ariesmcrae.com
 */
public class RelationshipViewImpl extends Composite implements RelationshipView {

    @UiTemplate("RelationshipView.ui.xml")
    interface RelationshipViewUiBinder extends UiBinder<Widget, RelationshipViewImpl> {
    }

    private static RelationshipViewUiBinder uiBinder = GWT.create(RelationshipViewUiBinder.class);

    @UiField
    DivElement spinnerDiv;
    @UiField
    ListBox listboxServer;
    @UiField
    ListBox multiBoxNameSpace;
    @UiField(provided = true)
    FlexTable diffTable;
    @UiField
    DivElement noResultsDiv;

    private RelationshipPresenter presenter;

    public RelationshipViewImpl() {
        diffTable = new FlexTable();
        initDiffTable();
        initWidget(uiBinder.createAndBindUi(this));
    }

    public void setPresenter(RelationshipPresenter newPresenter) {
        presenter = newPresenter;
    }

    private void initDiffTable() {
        diffTable.removeAllRows();
        diffTable.setText(0, 0, "Key");
        diffTable.setText(0, 1, "CSV Value");
        diffTable.setText(0, 2, "Server Value");
        diffTable.getRowFormatter().addStyleName(0, "diffTableHeader");
        diffTable.setVisible(false);
    }

    public void refreshNameSpaceListBox(JsArray<Relationship> relationships) {
        for (int i = 0; i < relationships.length(); i++) {
            Relationship relationship = relationships.get(i);
            multiBoxNameSpace.addItem(relationship.getGroup() + " - " + relationship.getName(),
                    relationship.getNamespace());
        }
    }

    @UiHandler("listboxServer")
    void onChangeListboxServer(ChangeEvent event) {
        initDiffTable();

        String selectedServerText = listboxServer.getItemText(listboxServer.getSelectedIndex());

        if (!"DEV".equals(selectedServerText)) {
            Window.alert("Not yet implemented");
        }

        //TODO re-populate multiBoxNameSpace

    }

    @UiHandler("multiBoxNameSpace")
    void onChangeMultiBoxNameSpace(ChangeEvent event) {
        String selectedServer = retrieveSelectedServer();
        String selectedNameSpace = multiBoxNameSpace.getValue(multiBoxNameSpace.getSelectedIndex());

        presenter.onNameSpaceListBoxChange(selectedServer, selectedNameSpace);
    }

    public void populateRelationshipDiffTable(JsArray<Participant> participants) {
        initDiffTable();

        for (int i = 0; i < participants.length(); i++) {
            Participant participant = participants.get(i);

            int newRow = i;
            newRow++; //because we need to start at 1, since diffTable header is on position zero.

            diffTable.setText(newRow, 0, participant.getKey());
            diffTable.setText(newRow, 1, participant.getCsvValue());
            diffTable.setText(newRow, 2, participant.getServerValue());

        }

        if (diffTable.getRowCount() > 1) {
            diffTable.setVisible(true);
            changeNoResultsVisibility(Visibility.HIDDEN);
        } else {
            changeNoResultsVisibility(Visibility.VISIBLE);
        }
    }

    public String retrieveSelectedServer() {
        return listboxServer.getValue(listboxServer.getSelectedIndex());
    }

    public void changeSpinnerVisibility(Visibility visibility) {
        spinnerDiv.getStyle().setVisibility(visibility);
    }

    public void changeNoResultsVisibility(Visibility visibility) {
        noResultsDiv.getStyle().setVisibility(visibility);
    }

}