ShowDocumentZones.java

package org.genericsystem.cv.watch;

import java.util.Arrays;

import org.genericsystem.api.core.Snapshot;
import org.genericsystem.common.Generic;
import org.genericsystem.common.Root;
import org.genericsystem.cv.comparator.ComputeBestTextPerZone;
import org.genericsystem.cv.model.Doc.DocInstance;
import org.genericsystem.cv.model.ZoneText;
import org.genericsystem.cv.model.ZoneText.ZoneTextInstance;
import org.genericsystem.cv.model.ZoneText.ZoneTimestamp;
import org.genericsystem.cv.model.ZoneText.ZoneTimestamp.ZoneTimestampInstance;
import org.genericsystem.cv.watch.ShowDocumentZones.TextDiv;
import org.genericsystem.reactor.Context;
import org.genericsystem.reactor.Tag;
import org.genericsystem.reactor.annotations.Attribute;
import org.genericsystem.reactor.annotations.BindAction;
import org.genericsystem.reactor.annotations.BindText;
import org.genericsystem.reactor.annotations.Children;
import org.genericsystem.reactor.annotations.ForEach;
import org.genericsystem.reactor.annotations.InheritStyle;
import org.genericsystem.reactor.annotations.SelectContext;
import org.genericsystem.reactor.annotations.SetText;
import org.genericsystem.reactor.annotations.Style;
import org.genericsystem.reactor.annotations.Style.FlexDirectionStyle;
import org.genericsystem.reactor.annotations.StyleClass;
import org.genericsystem.reactor.context.ContextAction;
import org.genericsystem.reactor.context.ContextAction.CANCEL;
import org.genericsystem.reactor.context.ContextAction.FLUSH;
import org.genericsystem.reactor.context.ContextAction.RESET_SELECTION;
import org.genericsystem.reactor.context.ObservableContextSelector.SELECTION_SELECTOR;
import org.genericsystem.reactor.context.ObservableListExtractor;
import org.genericsystem.reactor.context.TextBinding;
import org.genericsystem.reactor.gscomponents.FlexDirection;
import org.genericsystem.reactor.gscomponents.FlexDiv;
import org.genericsystem.reactor.gscomponents.HtmlTag.HtmlButton;
import org.genericsystem.reactor.gscomponents.HtmlTag.HtmlHyperLink;
import org.genericsystem.reactor.gscomponents.HtmlTag.HtmlImg;
import org.genericsystem.reactor.gscomponents.HtmlTag.HtmlLabel;
import org.genericsystem.reactor.gscomponents.Modal.ModalEditor;

import javafx.beans.property.Property;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.value.ObservableValue;
import javafx.collections.ObservableList;

@Children(FlexDiv.class)
@Children(path = FlexDiv.class, value = { HtmlHyperLink.class, TextDiv.class })
@InheritStyle("background-color")
@Style(path = FlexDiv.class, name = "max-height", value = "90%")
@Style(path = FlexDiv.class, name = "width", value = "inherit")
@BindAction(path = { FlexDiv.class, HtmlHyperLink.class }, value = RESET_SELECTION.class)
public class ShowDocumentZones extends ModalEditor {

	@FlexDirectionStyle(FlexDirection.COLUMN)
	@Children({ FlexDiv.class, FlexDiv.class })
	@Children(path = FlexDiv.class, pos = 0, value = { FlexDiv.class, FlexDiv.class })
	@Children(path = { FlexDiv.class, FlexDiv.class }, pos = { 0, 0 }, value = { Image.class, LastUpdate.class })
	@Children(path = FlexDiv.class, pos = 1, value = { RefreshButton.class, CloseButton.class })
	@Children(path = { FlexDiv.class, FlexDiv.class }, pos = { 0, 1 }, value = ZoneTextDiv.class)
	@FlexDirectionStyle(path = FlexDiv.class, value = FlexDirection.ROW)
	@Style(path = FlexDiv.class, pos = 1, name = "justify-content", value = "center")
	@Style(path = FlexDiv.class, pos = 1, name = "align-items", value = "center")
	@SelectContext(path = FlexDiv.class, pos = 0, value = SELECTION_SELECTOR.class)
	@SelectContext(path = { FlexDiv.class, FlexDiv.class }, pos = { 0, -1 }, value = SELECTION_SELECTOR.class)
	public static class TextDiv extends FlexDiv {

	}

	@SetText("Refresh")
	@BindAction(value = { REFRESH_BEST_TEXT.class, FLUSH.class })
	public static class RefreshButton extends HtmlButton {
		// Run the best text selection algorithm
	}
	
	public static class REFRESH_BEST_TEXT implements ContextAction {
		@Override
		public void accept(Context context, Tag tag) {
			System.out.println("Refreshing best text...");
			Root engine = context.getGeneric().getRoot();
			DocInstance docInstance = (DocInstance) context.getGeneric();
			String docType = docInstance.getDocClass().getValue().toString();
			ComputeBestTextPerZone.computeOneFile(engine, docInstance, docType);
			System.out.println("Done!");
		}
	}
	
	@SetText("Close")
	@BindAction(value = { CANCEL.class, RESET_SELECTION.class })
	public static class CloseButton extends HtmlButton {
		// Close the window
	}

	@Style(name = "margin", value = "0.5em")
	@Style(name = "flex", value = "0 0 auto")
	@Style(name = "justify-content", value = "center")
	@Style(name = "align-items", value = "center")
	public static class Image extends HtmlImg {
		@Override
		public void init() {
			bindAttribute("src", "imgadr",
					context -> new SimpleStringProperty((String) context.getGeneric().getValue()));
		}
	}

	@FlexDirectionStyle(FlexDirection.COLUMN)
	@Children(ZoneLabelField.class)
	@ForEach(ZONE_SELECTOR.class)
	public static class ZoneTextDiv extends FlexDiv {
		// For each zone, create a div with label + inputText
		// and create a div for the results for all filters

	}

	@FlexDirectionStyle(FlexDirection.ROW)
	@Children({ ZoneLabel.class, ZoneField.class })
	public static class ZoneLabelField extends FlexDiv {

	}

	@BindText(ZONE_LABEL.class)
	@Attribute(name = "name", value = "zone")
	public static class ZoneLabel extends FlexDiv {
		// Define the zone label in normal mode
	}

	@Children(HtmlLabel.class)
	@BindText
	@StyleClass("input-like")
	public static class ZoneField extends FlexDiv {
		// Define the inputText
		// TODO: need to escape special HTML characters
	}
	
	@BindText(LAST_UPDATE_LABEL.class)
	@Style(name = "margin", value = "0.5em")
	@Style(name = "flex", value = "0 0 auto")
	@Style(name = "justify-content", value = "center")
	@Style(name = "align-items", value = "center")
	public static class LastUpdate extends FlexDiv {
		// Print the timestamp of the last refresh
	}


	public static class ZONE_SELECTOR implements ObservableListExtractor {
		@SuppressWarnings({ "unchecked", "rawtypes" })
		@Override
		public ObservableList<Generic> apply(Generic[] generics) {
			Generic currentDoc = generics[0];
			Root root = currentDoc.getRoot();
			System.out.println("Document: " + currentDoc.info());
			Snapshot<ZoneTextInstance> zoneTextInstances = (Snapshot) currentDoc.getHolders(root.find(ZoneText.class));
			return (ObservableList) zoneTextInstances.toObservableList()
					.filtered(zt -> "best".equals(((ZoneTextInstance) zt).getImgFilter().getValue()))
					.sorted((g1, g2) -> Integer.compare(g1.getZoneNum(), g2.getZoneNum()));
		}
	}

	public static class ZONE_LABEL implements TextBinding {
		@Override
		public ObservableValue<String> apply(Context context, Tag tag) {
			return new SimpleStringProperty("Zone " + ((ZoneTextInstance) context.getGeneric()).getZone());
		}
	}
	
	public static class LAST_UPDATE_LABEL implements TextBinding {
		@Override
		public ObservableValue<String> apply(Context context, Tag tag) {
			// TODO use an ObservableValue for displaying the last update in real time
			Generic currentDoc = context.getGeneric();
			Root root = currentDoc.getRoot();
			ZoneTimestamp zoneTimestamp = root.find(ZoneTimestamp.class);
			ZoneTextInstance zoneTextInstance = (ZoneTextInstance) currentDoc.getHolders(root.find(ZoneText.class))
					.filter(zt -> "best".equals(((ZoneTextInstance) zt).getImgFilter().getValue()))
					.first();
			ZoneTimestampInstance zoneTimestampInstance = null;
			if (null != zoneTextInstance)
				zoneTimestampInstance = zoneTimestamp.getZoneTimestamp(zoneTextInstance);
			
			if (null == zoneTimestampInstance)
				return new SimpleStringProperty("Last update: none");
			else
				return new SimpleStringProperty("Last update: " + zoneTimestampInstance.getValue());
		}
	}

}