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/*
* Copyright (c) 2008, 2014, Oracle and/or its affiliates.
* All rights reserved. Use is subject to license terms.
*
* This file is available and licensed under the following license:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the distribution.
* - Neither the name of Oracle Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package ensemble;
import ensemble.control.Popover;
import ensemble.control.SearchBox;
import ensemble.search.DocumentType;
import ensemble.search.IndexSearcher;
import ensemble.search.SearchResult;
import java.util.EnumMap;
import java.util.List;
import java.util.Map;
import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Point2D;
import javafx.scene.control.Tooltip;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;
import javafx.util.Duration;
import org.apache.lucene.queryParser.ParseException;
/**
* Implementation of popover to show search results
*/
public class SearchPopover extends Popover {
private final SearchBox searchBox;
private final PageBrowser pageBrowser;
private IndexSearcher indexSearcher;
private Tooltip searchErrorTooltip = null;
private Timeline searchErrorTooltipHidder = null;
private SearchResultPopoverList searchResultPopoverList;
public SearchPopover(final SearchBox searchBox, PageBrowser pageBrowser) {
super();
this.searchBox = searchBox;
this.pageBrowser = pageBrowser;
getStyleClass().add("right-tooth");
setPrefWidth(600);
searchBox.textProperty().addListener((ObservableValue ov, String t, String t1) -> {
updateResults();
});
searchBox.addEventFilter(KeyEvent.ANY, (KeyEvent t) -> {
if (t.getCode() == KeyCode.DOWN
|| t.getCode() == KeyCode.UP
|| t.getCode() == KeyCode.PAGE_DOWN
|| (t.getCode() == KeyCode.HOME && (t.isControlDown() || t.isMetaDown()))
|| (t.getCode() == KeyCode.END && (t.isControlDown() || t.isMetaDown()))
|| t.getCode() == KeyCode.PAGE_UP) {
searchResultPopoverList.fireEvent(t);
t.consume();
} else if (t.getCode() == KeyCode.ENTER) {
t.consume();
if (t.getEventType() == KeyEvent.KEY_PRESSED) {
SearchResult selectedItem = searchResultPopoverList.getSelectionModel().getSelectedItem();
if (selectedItem != null) searchResultPopoverList.itemClicked(selectedItem);
}
}
});
searchResultPopoverList = new SearchResultPopoverList(pageBrowser);
// if list gets focus then send back to search box
searchResultPopoverList.focusedProperty().addListener((ObservableValue ov, Boolean t, Boolean hasFocus) -> {
if (hasFocus) {
searchBox.requestFocus();
searchBox.selectPositionCaret(searchBox.getText().length());
}
});
}
private void updateResults() {
if (searchBox.getText() == null || searchBox.getText().isEmpty()) {
populateMenu(new EnumMap>(DocumentType.class));
return;
}
boolean haveResults = false;
Map> results = null;
try {
if (indexSearcher == null) indexSearcher = new IndexSearcher();
results = indexSearcher.search(
searchBox.getText() + (searchBox.getText().matches("\\w+") ? "*" : "")
);
// check if we have any results
for (List categoryResults: results.values()) {
if (categoryResults.size() > 0) {
haveResults = true;
break;
}
}
} catch (ParseException e) {
showError(e.getMessage().substring("Cannot parse ".length()));
}
if (haveResults) {
showError(null);
populateMenu(results);
show();
} else {
if (searchErrorTooltip==null || searchErrorTooltip.getText()==null) showError("No matches");
hide();
}
}
private void showError(String message) {
if (searchErrorTooltip == null) {
searchErrorTooltip = new Tooltip();
}
searchErrorTooltip.setText(message);
if (searchErrorTooltipHidder != null) searchErrorTooltipHidder.stop();
if (message != null) {
Point2D toolTipPos = searchBox.localToScene(0, searchBox.getLayoutBounds().getHeight());
double x = toolTipPos.getX() + searchBox.getScene().getX() + searchBox.getScene().getWindow().getX();
double y = toolTipPos.getY() + searchBox.getScene().getY() + searchBox.getScene().getWindow().getY();
searchErrorTooltip.show( searchBox.getScene().getWindow(),x, y);
searchErrorTooltipHidder = new Timeline();
searchErrorTooltipHidder.getKeyFrames().add(
new KeyFrame(Duration.seconds(3), (ActionEvent t) -> {
searchErrorTooltip.hide();
searchErrorTooltip.setText(null);
})
);
searchErrorTooltipHidder.play();
} else {
searchErrorTooltip.hide();
}
}
private void populateMenu(Map> results) {
searchResultPopoverList.getItems().clear();
for(Map.Entry> entry: results.entrySet()) {
searchResultPopoverList.getItems().addAll(entry.getValue());
}
clearPages();
pushPage(searchResultPopoverList);
}
}
