+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);
+ }
+ }
+}