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/*
 * Copyright 2017 Red Hat, Inc. and/or its affiliates.
 *
 * 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 org.jbpm.designer.client;

import java.util.Map;

import javax.inject.Inject;

import com.google.gwt.user.client.ui.RequiresResize;
import org.kie.workbench.common.widgets.metadata.client.KieEditorViewImpl;
import org.uberfire.ext.widgets.common.client.common.popups.YesNoCancelPopup;
import org.uberfire.mvp.Command;

public class DesignerViewImpl
        extends KieEditorViewImpl
        implements DesignerView {

    private DesignerWidgetPresenter designerWidget;

    public DesignerViewImpl() {
    }

    @Inject
    public DesignerViewImpl(DesignerWidgetView view) {
        this.designerWidget = new DesignerWidgetPresenter(view);
        initWidget(designerWidget.getView().asWidget());
        this.publishCallOnReisize(this);
    }

    @Override
    public boolean getIsReadOnly() {
        return designerWidget.getIsReadOnly(designerWidget.getEditorID());
    }

    @Override
    public void askOpenInXMLEditor() {
        designerWidget.askOpenInXMLEditor(designerWidget.getEditorID());
    }

    @Override
    public boolean getIsViewLocked() {
        return designerWidget.getIsViewLocked(designerWidget.getEditorID());
    }

    @Override
    public void raiseEventSave() {
        designerWidget.raiseEventSave(designerWidget.getEditorID());
    }

    @Override
    public void raiseEventUpdate() {
        designerWidget.raiseEventUpdate(designerWidget.getEditorID());
    }

    @Override
    public void raiseEventUpdateLock() {
        designerWidget.raiseEventUpdateLock(designerWidget.getEditorID());
    }

    @Override
    public void raiseEventCheckSave(boolean saveWithComments,
                                    String pathURI) {
        designerWidget.raiseEventCheckSave(saveWithComments,
                                           designerWidget.getEditorID(),
                                           pathURI);
    }

    @Override
    public void raiseEventSaveCancel() {
        designerWidget.raiseEventSaveCancel(designerWidget.getEditorID());
    }

    @Override
    public void raiseEventReload() {
        designerWidget.raiseEventReload(designerWidget.getEditorID());
    }

    @Override
    public void setup(String editorID,
                      Map editorParameters) {
        designerWidget.setup(editorID,
                             editorParameters);
    }

    @Override
    public void setProcessUnSaved() {
        designerWidget.setProcessUnSaved(designerWidget.getEditorID());
    }

    private native void publishCallOnReisize(DesignerViewImpl dvi)/*-{
        $wnd.designercallonresize = function () {
            [email protected]::onResize()();
        }
    }-*/;

    @Override
    public boolean canClose() {
        final boolean canClose = canSaveDesignerModel() && !designerWidget.isProcessValidating(designerWidget.getEditorID());

        if (!canClose) {
            designerWidget.setProcessUnSaved(designerWidget.getEditorID());
        }

        return canClose;
    }

    @Override
    public void onClose() {
        if (!canClose()) {
            designerWidget.turnOffValidation(designerWidget.getEditorID());
            designerWidget.setProcessSaved(designerWidget.getEditorID());
        }
    }

    @Override
    public boolean canSaveDesignerModel() {
        return designerWidget.canSaveDesignerModel(designerWidget.getEditorID());
    }

    @Override
    public void showYesNoCancelPopup(final String title,
                                     final String message,
                                     final Command yesCommand,
                                     final Command noCommand) {

        final Command cancelCommand = () -> {
            // Do nothing, but let the cancel button be shown.
        };
        final YesNoCancelPopup yesNoCancelPopup = YesNoCancelPopup.newYesNoCancelPopup(title,
                                                                                       message,
                                                                                       yesCommand,
                                                                                       noCommand,
                                                                                       cancelCommand);
        yesNoCancelPopup.clearScrollHeight();
        yesNoCancelPopup.setClosable(false);
        yesNoCancelPopup.show();
    }

    @Override
    public void onResize() {
        int height = getParent().getOffsetHeight();
        int width = getParent().getOffsetWidth();

        setPixelSize(width,
                     height);

        this.setWidth(width + "px");
        this.setHeight(Math.max(0,
                                height - 5) + "px");

        ((RequiresResize) designerWidget.getView()).onResize();
    }

    public void setDesignerWidget(DesignerWidgetPresenter widgetPresenter) {
        this.designerWidget = widgetPresenter;
    }
}