CCM NG/ccm-cms: Form for adding assets to an attachment list

git-svn-id: https://svn.libreccm.org/ccm/ccm_ng@4907 8810af33-2d31-482b-a856-94f89814c4df

ccm-cms/src/main/java/com/arsdigita/cms/ui/authoring/assets/AttachmentListSelectionModel.java

@@ -53,6 +53,7 @@ public class AttachmentListSelectionModel implements
 
     @Override
     public Long getSelectedKey(final PageState state) {
+
         final Object key = model.getSelectedKey(state);
         if (key == null) {
             return null;
@@ -66,8 +67,7 @@ public class AttachmentListSelectionModel implements
     }
 
     @Override
-    public void setSelectedKey(final PageState state,
+    public void setSelectedKey(final PageState state, final Long key) {
-                               final Long key) {
         model.setSelectedKey(state, key);
     }
 

ccm-cms/src/main/java/com/arsdigita/cms/ui/authoring/assets/AttachmentSelectionModel.java

@@ -0,0 +1,105 @@
+/*
+ * 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.authoring.assets;
+
+import com.arsdigita.bebop.PageState;
+import com.arsdigita.bebop.ParameterSingleSelectionModel;
+import com.arsdigita.bebop.SingleSelectionModel;
+import com.arsdigita.bebop.event.ChangeListener;
+import com.arsdigita.bebop.parameters.LongParameter;
+import com.arsdigita.bebop.parameters.ParameterModel;
+
+import org.libreccm.cdi.utils.CdiUtil;
+import org.librecms.contentsection.ItemAttachment;
+import org.librecms.contentsection.ItemAttachmentManager;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class AttachmentSelectionModel implements SingleSelectionModel<Long> {
+
+    private final SingleSelectionModel<Long> model;
+
+    public AttachmentSelectionModel(final LongParameter parameter) {
+        this.model = new ParameterSingleSelectionModel<>(parameter);
+    }
+
+    public AttachmentSelectionModel(final String parameterName) {
+        this(new LongParameter(parameterName));
+    }
+
+    @Override
+    public boolean isSelected(final PageState state) {
+        return model.isSelected(state);
+    }
+
+    @Override
+    public Long getSelectedKey(final PageState state) {
+
+        final Object key = model.getSelectedKey(state);
+        if (key == null) {
+            return null;
+        } else if (key instanceof Long) {
+            return (Long) key;
+        } else if (key instanceof String) {
+            return Long.parseLong((String) key);
+        } else {
+            return Long.parseLong(key.toString());
+        }
+    }
+
+    @Override
+    public void setSelectedKey(final PageState state, final Long key) {
+        model.setSelectedKey(state, key);
+    }
+
+    public ItemAttachment<?> getSelectedAttachment(final PageState state) {
+        final Long key = getSelectedKey(state);
+        if (key == null) {
+            return null;
+        } else {
+            final ItemAttachmentManager manager = CdiUtil
+                .createCdiUtil()
+                .findBean(ItemAttachmentManager.class);
+            return manager.findById(key).get();
+        }
+    }
+
+    @Override
+    public void clearSelection(final PageState state) {
+        model.clearSelection(state);
+    }
+
+    @Override
+    public void addChangeListener(final ChangeListener changeListener) {
+        model.addChangeListener(changeListener);
+    }
+
+    @Override
+    public void removeChangeListener(final ChangeListener changeListener) {
+        model.removeChangeListener(changeListener);
+    }
+
+    @Override
+    public ParameterModel getStateParameter() {
+        return model.getStateParameter();
+    }
+
+}

ccm-cms/src/main/java/com/arsdigita/cms/ui/authoring/assets/relatedinfo/RelatedInfoAttachAssetForm.java

@@ -0,0 +1,125 @@
+/*
+ * 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.authoring.assets.relatedinfo;
+
+import com.arsdigita.bebop.Form;
+import com.arsdigita.bebop.FormProcessException;
+import com.arsdigita.bebop.PageState;
+import com.arsdigita.bebop.SaveCancelSection;
+import com.arsdigita.bebop.event.FormInitListener;
+import com.arsdigita.bebop.event.FormProcessListener;
+import com.arsdigita.bebop.event.FormSectionEvent;
+import com.arsdigita.bebop.event.FormSubmissionListener;
+import com.arsdigita.bebop.parameters.StringParameter;
+import com.arsdigita.cms.ItemSelectionModel;
+import com.arsdigita.cms.ui.assets.AssetSearchWidget;
+import com.arsdigita.cms.ui.authoring.assets.AttachmentListSelectionModel;
+
+import org.libreccm.cdi.utils.CdiUtil;
+import org.libreccm.core.UnexpectedErrorException;
+import org.librecms.contentsection.Asset;
+import org.librecms.contentsection.AssetRepository;
+import org.librecms.contentsection.AttachmentList;
+import org.librecms.contentsection.ContentItem;
+import org.librecms.contentsection.ItemAttachmentManager;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+class RelatedInfoAttachAssetForm
+    extends Form
+    implements FormInitListener,
+               FormProcessListener,
+               FormSubmissionListener {
+
+    private final RelatedInfoStep relatedInfoStep;
+    private final ItemSelectionModel itemSelectionModel;
+    private final AttachmentListSelectionModel listSelectionModel;
+    private final StringParameter selectedLanguageParameter;
+
+    private final AssetSearchWidget searchWidget;
+    private final SaveCancelSection saveCancelSection;
+
+    public RelatedInfoAttachAssetForm(
+        final RelatedInfoStep relatedInfoStep,
+        final ItemSelectionModel itemSelectionModel,
+        final AttachmentListSelectionModel listSelectionModel,
+        final StringParameter selectedLangugeParam) {
+
+        super("relatedinfo-attachasset-form");
+
+        this.relatedInfoStep = relatedInfoStep;
+        this.itemSelectionModel = itemSelectionModel;
+        this.listSelectionModel = listSelectionModel;
+        this.selectedLanguageParameter = selectedLangugeParam;
+
+        searchWidget = new AssetSearchWidget("asset-search-widget");
+        super.add(searchWidget);
+        saveCancelSection = new SaveCancelSection();
+        super.add(saveCancelSection);
+
+        super.addInitListener(this);
+        super.addProcessListener(this);
+        super.addSubmissionListener(this);
+    }
+
+    @Override
+    public void init(final FormSectionEvent event) throws FormProcessException {
+        // Nothing yet
+    }
+
+    @Override
+    public void process(final FormSectionEvent event) throws
+        FormProcessException {
+
+        final PageState state = event.getPageState();
+
+        final Object value = searchWidget.getValue(state);
+        if (value != null) {
+            final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+            final ItemAttachmentManager attachmentManager = cdiUtil
+                .findBean(ItemAttachmentManager.class);
+            final AssetRepository assetRepo = cdiUtil
+                .findBean(AssetRepository.class);
+            final Asset asset = assetRepo
+                .findById((long) value)
+                .orElseThrow(() -> new UnexpectedErrorException(String
+                .format("No Asset with ID %d in the database.", value)));
+            
+            final AttachmentList list = listSelectionModel
+                .getSelectedAttachmentList(state);
+            
+            attachmentManager.attachAsset(asset, list);
+        }
+
+        relatedInfoStep.showAttachmentList(state);
+    }
+
+    @Override
+    public void submitted(final FormSectionEvent event) throws
+        FormProcessException {
+
+        final PageState state = event.getPageState();
+
+        listSelectionModel.clearSelection(state);
+        relatedInfoStep.showAttachmentList(state);
+    }
+
+}