Java tutorial
/* * #! * Ontopoly Editor * #- * Copyright (C) 2001 - 2013 The Ontopia Project * #- * 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 ontopoly.components; import net.ontopia.topicmaps.core.OccurrenceIF; import ontopoly.model.Cardinality; import ontopoly.model.DataType; import ontopoly.model.FieldAssignment; import ontopoly.model.FieldDefinition; import ontopoly.model.FieldInstance; import ontopoly.model.OccurrenceField; import ontopoly.model.OccurrenceType; import ontopoly.model.PSI; import ontopoly.models.FieldDefinitionModel; import ontopoly.models.FieldInstanceModel; import ontopoly.models.FieldValueModel; import ontopoly.models.FieldValuesModel; import ontopoly.pages.ModalGeoPickerPage; import ontopoly.utils.OccurrenceComparator; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow; import org.apache.wicket.markup.html.JavascriptPackageResource; import org.apache.wicket.markup.html.WebMarkupContainer; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.list.ListItem; import org.apache.wicket.markup.html.list.ListView; import org.apache.wicket.markup.html.panel.FeedbackPanel; import org.apache.wicket.model.IModel; import org.apache.wicket.model.LoadableDetachableModel; import org.apache.wicket.model.ResourceModel; public class FieldInstanceOccurrencePanel extends AbstractFieldInstancePanel { public FieldInstanceOccurrencePanel(String id, final FieldInstanceModel fieldInstanceModel, final boolean readonly) { super(id, fieldInstanceModel); FieldInstance fieldInstance = fieldInstanceModel.getFieldInstance(); FieldAssignment fieldAssignment = fieldInstance.getFieldAssignment(); FieldDefinition fieldDefinition = fieldAssignment.getFieldDefinition(); add(new FieldDefinitionLabel("fieldLabel", new FieldDefinitionModel(fieldDefinition))); // set up container this.fieldValuesContainer = new WebMarkupContainer("fieldValuesContainer"); fieldValuesContainer.setOutputMarkupId(true); add(fieldValuesContainer); // add feedback panel this.feedbackPanel = new FeedbackPanel("feedback", new AbstractFieldInstancePanelFeedbackMessageFilter()); feedbackPanel.setOutputMarkupId(true); fieldValuesContainer.add(feedbackPanel); // add field values component(s) this.fieldValuesModel = new FieldValuesModel(fieldInstanceModel, OccurrenceComparator.INSTANCE); this.listView = new ListView<FieldValueModel>("fieldValues", fieldValuesModel) { @Override protected void onBeforeRender() { validateCardinality(); super.onBeforeRender(); } @Override public void populateItem(final ListItem<FieldValueModel> item) { final FieldValueModel fieldValueModel = item.getModelObject(); FieldInstanceModel fieldInstanceModel = fieldValueModel.getFieldInstanceModel(); FieldInstance fieldInstance = fieldInstanceModel.getFieldInstance(); // TODO: make sure non-existing value field gets focus if last // edit happened there WebMarkupContainer fieldValueButtons = new WebMarkupContainer("fieldValueButtons"); fieldValueButtons.setOutputMarkupId(true); item.add(fieldValueButtons); // remove button FieldInstanceRemoveButton removeButton = new FieldInstanceRemoveButton("remove", "remove-value.gif", fieldValueModel) { @Override public boolean isVisible() { Cardinality cardinality = fieldValuesModel.getFieldInstanceModel().getFieldInstance() .getFieldAssignment().getCardinality(); if (fieldValuesModel.size() == 1 && cardinality.isMinOne()) return false; else return !readonly && fieldValueModel.isExistingValue(); } @Override public void onClick(AjaxRequestTarget target) { super.onClick(target); listView.removeAll(); updateDependentComponents(target); } }; fieldValueButtons.add(removeButton); // we know what kind of field this is, so we can just cast to it directly OccurrenceField of = (OccurrenceField) fieldInstance.getFieldAssignment().getFieldDefinition(); DataType dataType = of.getDataType(); if (readonly) { if (dataType.isImage()) { item.add(new FieldInstanceImageField("fieldValue", fieldValueModel, readonly)); } else { item.add(new Label("fieldValue", new LoadableDetachableModel<String>() { @Override protected String load() { OccurrenceIF occ = (OccurrenceIF) fieldValueModel.getObject(); return (occ == null ? null : occ.getValue()); } })); } } else { final FieldUpdatingBehaviour fuBehaviour = new FieldUpdatingBehaviour(true); if (dataType.isDate()) { FieldInstanceDateField occField = new FieldInstanceDateField("fieldValue", fieldValueModel); occField.add(fuBehaviour); item.add(occField); } else if (dataType.isDateTime()) { FieldInstanceDateTimeField occField = new FieldInstanceDateTimeField("fieldValue", fieldValueModel); occField.add(fuBehaviour); item.add(occField); } else if (dataType.isURI()) { FieldInstanceURIField occField = new FieldInstanceURIField("fieldValue", fieldValueModel); occField.setOutputMarkupId(true); occField.getTextField().add(fuBehaviour); item.add(occField); } else if (dataType.isNumber()) { FieldInstanceNumberField occField = new FieldInstanceNumberField("fieldValue", fieldValueModel); occField.add(fuBehaviour); item.add(occField); } else if (dataType.isHTML()) { FieldInstanceHTMLArea occField = new FieldInstanceHTMLArea("fieldValue", fieldValueModel); occField.getTextArea().add(fuBehaviour); item.add(occField); } else if (dataType.isImage()) { FieldInstanceImageField occField = new FieldInstanceImageField("fieldValue", fieldValueModel, readonly) { @Override public void callOnUpdate(AjaxRequestTarget target) { fuBehaviour.onUpdate(target); } }; item.add(occField); } else { int height = of.getHeight(); if (height > 1) { FieldInstanceTextArea occField = new FieldInstanceTextArea("fieldValue", fieldValueModel); occField.setCols(of.getWidth()); occField.setRows(height); occField.add(fuBehaviour); item.add(occField); } else { FieldInstanceTextField occField = new FieldInstanceTextField("fieldValue", fieldValueModel); occField.setCols(of.getWidth()); occField.add(fuBehaviour); item.add(occField); } } } addNewFieldValueCssClass(item, fieldValuesModel, fieldValueModel); } }; listView.setReuseItems(true); fieldValuesContainer.add(listView); this.fieldInstanceButtons = new WebMarkupContainer("fieldInstanceButtons"); fieldInstanceButtons.setOutputMarkupId(true); add(fieldInstanceButtons); OntopolyImageLink addButton = new OntopolyImageLink("add", "add.gif") { @Override public void onClick(AjaxRequestTarget target) { boolean showExtraField = !fieldValuesModel.getShowExtraField(); fieldValuesModel.setShowExtraField(showExtraField, true); listView.removeAll(); updateDependentComponents(target); } @Override public boolean isVisible() { if (readonly) return false; Cardinality cardinality = fieldValuesModel.getFieldInstanceModel().getFieldInstance() .getFieldAssignment().getCardinality(); return !cardinality.isMaxOne() && fieldValuesModel.containsExisting(); } @Override public String getImage() { return fieldValuesModel.getShowExtraField() ? "remove.gif" : "add.gif"; } @Override public IModel<String> getTitleModel() { return new ResourceModel( fieldValuesModel.getShowExtraField() ? "icon.remove.hide-field" : "icon.add.add-value"); } }; fieldInstanceButtons.add(addButton); final ModalWindow geoPicker = new ModalWindow("geoPickerDialog"); fieldInstanceButtons.add(geoPicker); geoPicker.setContent(new ModalGeoPickerPage(geoPicker, fieldInstance.getInstance())); geoPicker.setTitle(new ResourceModel("ModalWindow.title.geopicker").getObject().toString()); geoPicker.setCookieName("geoPicker"); OccurrenceField of = (OccurrenceField) fieldInstance.getFieldAssignment().getFieldDefinition(); OccurrenceType ot = of.getOccurrenceType(); boolean haspsi = ot.getTopicIF().getSubjectIdentifiers().contains(PSI.ON_LATITUDE); fieldInstanceButtons.add(new GeoPickerButton(!readonly && haspsi, geoPicker)); if (!readonly && haspsi) add(JavascriptPackageResource.getHeaderContribution("http://maps.google.com/maps/api/js?sensor=false")); Cardinality cardinality = fieldAssignment.getCardinality(); if (cardinality.isMaxOne()) addButton.setVisible(false); } /** * Button to open geo-picker popup. */ class GeoPickerButton extends OntopolyImageLink { private boolean visible; private ModalWindow picker; public GeoPickerButton(boolean visible, ModalWindow picker) { super("geopicker", "geopicker.png"); this.visible = visible; this.picker = picker; } @Override public void onClick(AjaxRequestTarget target) { picker.show(target); } @Override public boolean isVisible() { return visible; } @Override public String getImage() { return "geopicker.png"; } @Override public IModel<String> getTitleModel() { return new ResourceModel("icon.geopicker"); } } }