package com.Salvy;

// Salvatore Oliva
// Creazione prima estensione. Agosto 2020.
// Questa estensione consente di recuperare il blocco di testo condiviso tramite il menu Share di Android.

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.app.Activity;

import com.google.appinventor.components.annotations.DesignerComponent;
import com.google.appinventor.components.annotations.DesignerProperty;
import com.google.appinventor.components.annotations.PropertyCategory;
import com.google.appinventor.components.annotations.SimpleEvent;
import com.google.appinventor.components.annotations.SimpleFunction;
import com.google.appinventor.components.annotations.SimpleObject;
import com.google.appinventor.components.annotations.SimpleProperty;
import com.google.appinventor.components.common.ComponentCategory;
import com.google.appinventor.components.common.PropertyTypeConstants;
import com.google.appinventor.components.runtime.util.MediaUtil;
import com.google.appinventor.components.runtime.*;


@DesignerComponent(version = SalvyGetSharedText.VERSION,
    description = "Get Shared Block Text Extension.",
    category = ComponentCategory.EXTENSION,
    nonVisible = true,
    iconName = "")
@SimpleObject(external = true)


public class SalvyGetSharedText extends AndroidNonvisibleComponent implements Component {

    public static final int VERSION = 1;
    private ComponentContainer container;
    private String sharedText = null;
 
    public SalvyGetSharedText(ComponentContainer container) {
        super(container.$form());
        this.container = container;
		sharedText = "";
    }

    // Get the value of shared text block.
    @SimpleProperty(category = PropertyCategory.BEHAVIOR)
    public String GetSharedText() {
        return sharedText;
    }

    // Set shared text block to new value.
	@DesignerProperty(editorType = PropertyTypeConstants.PROPERTY_TYPE_STRING, defaultValue = "")
    @SimpleProperty(description = "Set shared text block to new value.")
    public void SetSharedText(String newValue) {
        this.sharedText = newValue;
    }
	
	
	/*
	
	Manifest file update:
	

	<activity android:name=".Screen1" >
	
		...
		
		<intent-filter>
			<action android:name="android.intent.action.SEND" />
			<category android:name="android.intent.category.DEFAULT" />
			<data android:mimeType="text/plain" />
		</intent-filter>
		
	</activity>
	
	*/
	
	
    // Function to catch text block that has been shared.
    @SimpleFunction(description = "Catch text block that has been shared.")
    public String CatchSharedTextBlock() {
		// Get intent, action and MIME type
		Intent intent = getIntent();
		String action = intent.getAction();
		String type = intent.getType();
		String caughtText = null;

		if (Intent.ACTION_SEND.equals(action) && type != null) {
			if ("text/plain".equals(type)) {
				// Handle text being sent
				caughtText = intent.getStringExtra(Intent.EXTRA_TEXT);
			}
		}
		
		SharedTextBlockCaught(caughtText);

        return caughtText;
    }

    // Event block to set available shared text block after it has been caught.
    @SimpleEvent(description = "Set available shared text block after it has been caught.")
    public void SharedTextBlockCaught(String caughtSharedText) {
		this.sharedText = caughtSharedText;
        EventDispatcher.dispatchEvent(this, "SharedTextCaught", caughtSharedText);
    }    

 }