Ticket #2685 - Implements the form

git-svn-id: https://svn.libreccm.org/ccm/ccm_ng@4737 8810af33-2d31-482b-a856-94f89814c4df

ccm-cms/src/main/java/com/arsdigita/cms/ui/assets/forms/AudioForm.java

@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2017 LibreCCM Foundation.
+ *
+ * This library 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 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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 this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package com.arsdigita.cms.ui.assets.forms;
+
+import com.arsdigita.bebop.FormProcessException;
+import com.arsdigita.bebop.Label;
+import com.arsdigita.bebop.PageState;
+import com.arsdigita.bebop.event.FormSectionEvent;
+import com.arsdigita.cms.ui.assets.AssetPane;
+import com.arsdigita.cms.ui.assets.AssetSearchWidget;
+import com.arsdigita.globalization.GlobalizedMessage;
+import org.libreccm.cdi.utils.CdiUtil;
+import org.librecms.CmsConstants;
+import org.librecms.assets.AudioAsset;
+import org.librecms.assets.BinaryAsset;
+import org.librecms.assets.Image;
+import org.librecms.assets.LegalMetadata;
+import org.librecms.contentsection.Asset;
+import org.librecms.contentsection.AssetRepository;
+
+import java.util.Optional;
+
+/**
+ *
+ * @author <a href="mailto:yannick.buelter@yabue.de">Yannick Bülter</a>
+ */
+public class AudioForm extends BinaryAssetForm {
+
+    private AssetSearchWidget assetSearchWidget;
+
+    public AudioForm(final AssetPane assetPane) {
+        super(assetPane);
+    }
+
+    @Override
+    protected void addWidgets() {
+
+        assetSearchWidget = new AssetSearchWidget("legal-metadata", LegalMetadata.class);
+
+        add(new Label(new GlobalizedMessage(
+                "cms.ui.assets.audio.legal_metadata.label",
+                CmsConstants.CMS_BUNDLE
+        )));
+        add(assetSearchWidget);
+    }
+
+    @Override
+    protected void initForm(PageState state, Optional<Asset> selectedAsset) {
+
+        super.initForm(state, selectedAsset);
+
+        if (selectedAsset.isPresent()) {
+
+            final AudioAsset audioAsset = (AudioAsset) selectedAsset.get();
+
+            final LegalMetadata legalMetadata = audioAsset
+                    .getLegalMetadata();
+            if (legalMetadata != null) {
+                assetSearchWidget.setValue(state, legalMetadata.getObjectId());
+            }
+        }
+    }
+
+    @Override
+    protected Asset createAsset(final FormSectionEvent event)
+            throws FormProcessException {
+
+        final AudioAsset audioAsset = (AudioAsset) super.createAsset(event);
+
+        final PageState state = event.getPageState();
+
+        updateData(audioAsset, state);
+
+        return audioAsset;
+    }
+
+    @Override
+    protected void updateAsset(final Asset asset,
+                               final FormSectionEvent event)
+            throws FormProcessException {
+
+        super.updateAsset(asset, event);
+
+        final PageState state = event.getPageState();
+
+        final AudioAsset audioAsset = (AudioAsset) asset;
+
+        updateData(audioAsset, state);
+    }
+
+    protected void updateData(final AudioAsset audioAsset,
+                              final PageState state) {
+
+        final Long legalMetadataId = (Long) assetSearchWidget.getValue(state);
+        if (legalMetadataId != null) {
+            final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+            final AssetRepository assetRepo = cdiUtil.findBean(
+                    AssetRepository.class);
+            final LegalMetadata legalMetadata = (LegalMetadata) assetRepo
+                    .findById(legalMetadataId)
+                    .orElseThrow(() -> new IllegalArgumentException(String.format(
+                            "No LegalMetadata asset with ID %d in the database.",
+                            legalMetadataId)));
+
+            audioAsset.setLegalMetadata(legalMetadata);
+        }
+    }
+
+    @Override
+    protected BinaryAsset createBinaryAsset(final PageState state) {
+        return new AudioAsset();
+    }
+}