org.drools.guvnor.client.explorer.navigation.qa.FactUsagesItem.java Source code

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Here is the source code for org.drools.guvnor.client.explorer.navigation.qa.FactUsagesItem.java

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/*
 * Copyright 2010 JBoss Inc
 *
 * 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.drools.guvnor.client.explorer.navigation.qa;

import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.user.client.ui.AbstractImagePrototype;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.TreeItem;
import org.drools.guvnor.client.messages.Constants;
import org.drools.guvnor.client.resources.DroolsGuvnorImageResources;
import org.drools.guvnor.client.rpc.AnalysisFactUsage;
import org.drools.guvnor.client.rpc.AnalysisFieldUsage;

class FactUsagesItem extends TreeItem {

    public FactUsagesItem(AnalysisFactUsage[] factUsages) {
        setStyleName("analysis-Report");

        setHTML(createImageTag(DroolsGuvnorImageResources.INSTANCE.factTemplate()) + "<b>"
                + Constants.INSTANCE.ShowFactUsages() + "</b>");

        setUserObject(createImageTag(DroolsGuvnorImageResources.INSTANCE.factTemplate()) + "<b>"
                + Constants.INSTANCE.FactUsages() + ":</b>");

        doFacts(factUsages);
    }

    private void doFacts(AnalysisFactUsage[] factUsages) {
        for (AnalysisFactUsage factUsage : factUsages) {

            TreeItem fact = new TreeItem(
                    createImageTag(DroolsGuvnorImageResources.INSTANCE.fact()) + factUsage.name);
            TreeItem fieldList = doFields(factUsage.fields);
            fact.addItem(fieldList);
            fieldList.setState(true);

            addItem(fact);
            fact.setState(true);
        }
    }

    private TreeItem doFields(AnalysisFieldUsage[] fields) {
        TreeItem fieldList = new TreeItem(Constants.INSTANCE.FieldsUsed());

        for (AnalysisFieldUsage fieldUsage : fields) {
            TreeItem field = new TreeItem(
                    createImageTag(DroolsGuvnorImageResources.INSTANCE.field()) + fieldUsage.name);
            fieldList.addItem(field);
            TreeItem ruleList = doAffectedRules(fieldUsage);
            field.addItem(ruleList);
            field.setState(true);
        }

        return fieldList;
    }

    private TreeItem doAffectedRules(AnalysisFieldUsage fieldUsage) {
        TreeItem ruleList = new TreeItem(Constants.INSTANCE.ShowRulesAffected());
        ruleList.setUserObject(new HTML(Constants.INSTANCE.RulesAffected()));
        for (String ruleName : fieldUsage.rules) {
            ruleList.addItem(new TreeItem(
                    AbstractImagePrototype.create(DroolsGuvnorImageResources.INSTANCE.ruleAsset()).getHTML()
                            + ruleName));
        }
        return ruleList;
    }

    private String createImageTag(ImageResource imageResource) {
        return "<img src=\"" + imageResource.getURL() + "\" alt=\"\"/>";
    }
}