GUI search: forgot 2 filesgit add src/be/nikiroo/fanfix/reader/ui/GuiReaderSearchBy*!
[fanfix.git] / src / be / nikiroo / fanfix / reader / ui / GuiReaderSearchByTagPanel.java
diff --git a/src/be/nikiroo/fanfix/reader/ui/GuiReaderSearchByTagPanel.java b/src/be/nikiroo/fanfix/reader/ui/GuiReaderSearchByTagPanel.java
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+package be.nikiroo.fanfix.reader.ui;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.swing.BoxLayout;
+import javax.swing.JComboBox;
+import javax.swing.JList;
+import javax.swing.JPanel;
+import javax.swing.ListCellRenderer;
+
+import be.nikiroo.fanfix.data.MetaData;
+import be.nikiroo.fanfix.searchable.BasicSearchable;
+import be.nikiroo.fanfix.searchable.SearchableTag;
+
+/**
+ * This panel represents a search panel that works for keywords and tags based
+ * searches.
+ * 
+ * @author niki
+ */
+// JCombobox<E> not 1.6 compatible
+@SuppressWarnings({ "unchecked", "rawtypes" })
+public class GuiReaderSearchByTagPanel extends JPanel {
+       private static final long serialVersionUID = 1L;
+
+       private BasicSearchable searchable;
+       private Runnable fireEvent;
+
+       private SearchableTag currentTag;
+       private JPanel tagBars;
+       private List<JComboBox> combos;
+
+       private int page;
+       private int maxPage;
+       private List<MetaData> stories = new ArrayList<MetaData>();
+       private int storyItem;
+
+       public GuiReaderSearchByTagPanel(Runnable fireEvent) {
+               setLayout(new BorderLayout());
+
+               this.fireEvent = fireEvent;
+               combos = new ArrayList<JComboBox>();
+               page = 1;
+               maxPage = -1;
+
+               tagBars = new JPanel();
+               tagBars.setLayout(new BoxLayout(tagBars, BoxLayout.Y_AXIS));
+               add(tagBars, BorderLayout.NORTH);
+       }
+
+       /**
+        * The {@link BasicSearchable} object use for the searches themselves.
+        * <p>
+        * Can be NULL, but no searches will work.
+        * 
+        * @param searchable
+        *            the new searchable
+        */
+       public void setSearchable(BasicSearchable searchable) {
+               this.searchable = searchable;
+               page = 1;
+               maxPage = -1;
+               storyItem = 0;
+               stories = new ArrayList<MetaData>();
+               updateTags(null);
+       }
+
+       public int getPage() {
+               return page;
+       }
+
+       public int getMaxPage() {
+               return maxPage;
+       }
+
+       public SearchableTag getCurrentTag() {
+               return currentTag;
+       }
+
+       public List<MetaData> getStories() {
+               return stories;
+       }
+
+       // selected item or 0 if none ! one-based !
+       public int getStoryItem() {
+               return storyItem;
+       }
+
+       // update and reset the tagsbar
+       // can be NULL, for base tags
+       private void updateTags(final SearchableTag tag) {
+               final List<SearchableTag> parents = new ArrayList<SearchableTag>();
+               SearchableTag parent = (tag == null) ? null : tag;
+               while (parent != null) {
+                       parents.add(parent);
+                       parent = parent.getParent();
+               }
+
+               List<SearchableTag> rootTags = new ArrayList<SearchableTag>();
+               SearchableTag selectedRootTag = null;
+               selectedRootTag = parents.isEmpty() ? null : parents
+                               .get(parents.size() - 1);
+
+               if (searchable != null) {
+                       try {
+                               rootTags = searchable.getTags();
+                       } catch (IOException e) {
+                               GuiReaderSearchFrame.error(e);
+                       }
+               }
+
+               final List<SearchableTag> rootTagsF = rootTags;
+               final SearchableTag selectedRootTagF = selectedRootTag;
+
+               GuiReaderSearchFrame.inUi(new Runnable() {
+                       @Override
+                       public void run() {
+                               tagBars.invalidate();
+                               tagBars.removeAll();
+
+                               addTagBar(rootTagsF, selectedRootTagF);
+
+                               for (int i = parents.size() - 1; i >= 0; i--) {
+                                       SearchableTag selectedChild = null;
+                                       if (i > 0) {
+                                               selectedChild = parents.get(i - 1);
+                                       }
+
+                                       SearchableTag parent = parents.get(i);
+                                       addTagBar(parent.getChildren(), selectedChild);
+                               }
+
+                               tagBars.validate();
+                       }
+               });
+       }
+
+       // must be quick and no thread change
+       private void addTagBar(List<SearchableTag> tags,
+                       final SearchableTag selected) {
+               tags.add(0, null);
+
+               final int comboIndex = combos.size();
+
+               final JComboBox combo = new JComboBox(
+                               tags.toArray(new SearchableTag[] {}));
+               combo.setSelectedItem(selected);
+
+               final ListCellRenderer basic = combo.getRenderer();
+
+               combo.setRenderer(new ListCellRenderer() {
+                       @Override
+                       public Component getListCellRendererComponent(JList list,
+                                       Object value, int index, boolean isSelected,
+                                       boolean cellHasFocus) {
+
+                               Object displayValue = value;
+                               if (value instanceof SearchableTag) {
+                                       displayValue = ((SearchableTag) value).getName();
+                               } else {
+                                       displayValue = "Select a tag...";
+                                       cellHasFocus = false;
+                                       isSelected = false;
+                               }
+
+                               Component rep = basic.getListCellRendererComponent(list,
+                                               displayValue, index, isSelected, cellHasFocus);
+
+                               if (value == null) {
+                                       rep.setForeground(Color.GRAY);
+                               }
+
+                               return rep;
+                       }
+               });
+
+               combo.addActionListener(createComboTagAction(comboIndex));
+
+               combos.add(combo);
+               tagBars.add(combo);
+       }
+
+       private ActionListener createComboTagAction(final int comboIndex) {
+               return new ActionListener() {
+                       @Override
+                       public void actionPerformed(ActionEvent ae) {
+                               List<JComboBox> combos = GuiReaderSearchByTagPanel.this.combos;
+                               if (combos == null || comboIndex < 0
+                                               || comboIndex >= combos.size()) {
+                                       return;
+                               }
+
+                               // Tag can be NULL
+                               final SearchableTag tag = (SearchableTag) combos
+                                               .get(comboIndex).getSelectedItem();
+
+                               while (comboIndex + 1 < combos.size()) {
+                                       JComboBox combo = combos.remove(comboIndex + 1);
+                                       tagBars.remove(combo);
+                               }
+
+                               new Thread(new Runnable() {
+                                       @Override
+                                       public void run() {
+                                               final List<SearchableTag> children = getChildrenForTag(tag);
+                                               if (children != null) {
+                                                       GuiReaderSearchFrame.inUi(new Runnable() {
+                                                               @Override
+                                                               public void run() {
+                                                                       addTagBar(children, tag);
+                                                               }
+                                                       });
+                                               }
+
+                                               if (tag != null && tag.isLeaf()) {
+                                                       storyItem = 0;
+                                                       try {
+                                                               searchable.fillTag(tag);
+                                                               page = 1;
+                                                               stories = searchable.search(tag, 1);
+                                                               maxPage = searchable.searchPages(tag);
+                                                       } catch (IOException e) {
+                                                               GuiReaderSearchFrame.error(e);
+                                                               page = 0;
+                                                               maxPage = -1;
+                                                               stories = new ArrayList<MetaData>();
+                                                       }
+
+                                                       fireEvent.run();
+                                               }
+                                       }
+                               }).start();
+                       }
+               };
+       }
+
+       // sync, add children of tag, NULL = base tags
+       // return children of the tag or base tags or NULL
+       private List<SearchableTag> getChildrenForTag(final SearchableTag tag) {
+               List<SearchableTag> children = new ArrayList<SearchableTag>();
+               if (tag == null) {
+                       try {
+                               List<SearchableTag> baseTags = searchable.getTags();
+                               children = baseTags;
+                       } catch (IOException e) {
+                               GuiReaderSearchFrame.error(e);
+                       }
+               } else {
+                       try {
+                               searchable.fillTag(tag);
+                       } catch (IOException e) {
+                               GuiReaderSearchFrame.error(e);
+                       }
+
+                       if (!tag.isLeaf()) {
+                               children = tag.getChildren();
+                       } else {
+                               children = null;
+                       }
+               }
+
+               return children;
+       }
+
+       // slow
+       // tag: null = base tags
+       // throw if page > max, but only if stories
+       public void searchTag(SearchableTag tag, int page, int item) {
+               List<MetaData> stories = new ArrayList<MetaData>();
+               int storyItem = 0;
+
+               currentTag = tag;
+               updateTags(tag);
+
+               int maxPage = -1;
+               if (tag != null) {
+                       try {
+                               searchable.fillTag(tag);
+
+                               if (!tag.isLeaf()) {
+                                       List<SearchableTag> subtags = tag.getChildren();
+                                       if (item > 0 && item <= subtags.size()) {
+                                               SearchableTag subtag = subtags.get(item - 1);
+                                               try {
+                                                       tag = subtag;
+                                                       searchable.fillTag(tag);
+                                               } catch (IOException e) {
+                                                       GuiReaderSearchFrame.error(e);
+                                               }
+                                       } else if (item > 0) {
+                                               GuiReaderSearchFrame.error(String.format(
+                                                               "Tag item does not exist: Tag [%s], item %d",
+                                                               tag.getFqName(), item));
+                                       }
+                               }
+
+                               maxPage = searchable.searchPages(tag);
+                               if (page > 0 && tag.isLeaf()) {
+                                       if (maxPage >= 0 && (page <= 0 || page > maxPage)) {
+                                               throw new IndexOutOfBoundsException("Page " + page
+                                                               + " out of " + maxPage);
+                                       }
+
+                                       try {
+                                               stories = searchable.search(tag, page);
+                                               if (item > 0 && item <= stories.size()) {
+                                                       storyItem = item;
+                                               } else if (item > 0) {
+                                                       GuiReaderSearchFrame
+                                                                       .error(String
+                                                                                       .format("Story item does not exist: Tag [%s], item %d",
+                                                                                                       tag.getFqName(), item));
+                                               }
+                                       } catch (IOException e) {
+                                               GuiReaderSearchFrame.error(e);
+                                       }
+                               }
+                       } catch (IOException e) {
+                               GuiReaderSearchFrame.error(e);
+                               maxPage = 0;
+                       }
+               }
+
+               this.stories = stories;
+               this.storyItem = storyItem;
+               this.page = page;
+               this.maxPage = maxPage;
+       }
+
+       /**
+        * Enables or disables this component, depending on the value of the
+        * parameter <code>b</code>. An enabled component can respond to user input
+        * and generate events. Components are enabled initially by default.
+        * <p>
+        * Disabling this component will also affect its children.
+        * 
+        * @param b
+        *            If <code>true</code>, this component is enabled; otherwise
+        *            this component is disabled
+        */
+       @Override
+       public void setEnabled(boolean b) {
+               super.setEnabled(b);
+               tagBars.setEnabled(b);
+               for (JComboBox combo : combos) {
+                       combo.setEnabled(b);
+               }
+       }
+}