Form Intercept with Compose

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/*
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 *   Copyright © 2024-2026 PSPDFKit GmbH. All rights reserved.
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 *
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 *   The PSPDFKit Sample applications are licensed with a modified BSD license.
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 *   Please see License for details. This notice may not be removed from this file.
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 */
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package com.pspdfkit.catalog.examples.kotlin
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import android.content.Context
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import android.content.Intent
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import android.net.Uri
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import android.os.Bundle
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import android.util.Log
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import android.widget.Toast
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import androidx.activity.compose.setContent
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import androidx.appcompat.app.AppCompatActivity
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import androidx.compose.foundation.layout.Box
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.foundation.layout.padding
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import androidx.compose.material3.Scaffold
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.platform.LocalContext
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import com.pspdfkit.catalog.R
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import com.pspdfkit.catalog.SdkExample
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import com.pspdfkit.catalog.SdkExample.Companion.TAG
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import com.pspdfkit.catalog.tasks.ExtractAssetTask
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import com.pspdfkit.configuration.activity.PdfActivityConfiguration
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import com.pspdfkit.configuration.activity.UserInterfaceViewMode
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import com.pspdfkit.jetpack.compose.interactors.DefaultListeners
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import com.pspdfkit.jetpack.compose.interactors.getDefaultDocumentManager
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import com.pspdfkit.jetpack.compose.interactors.rememberDocumentState
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import com.pspdfkit.jetpack.compose.views.DocumentView
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import com.pspdfkit.utils.getSupportParcelableExtra
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class FormClickInterceptExample(context: Context) : SdkExample(context, R.string.formInterceptExampleTitle, R.string.formInterceptExampleDescription) {
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    /** Configuration is handled inside [FormInterceptActivity] */
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    override fun launchExample(context: Context, configuration: PdfActivityConfiguration.Builder) {
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        ExtractAssetTask.extract(WELCOME_DOC, title, context) { documentFile ->
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            val intent = Intent(context, FormInterceptActivity::class.java)
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            intent.putExtra(FormInterceptActivity.EXTRA_URI, Uri.fromFile(documentFile))
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            context.startActivity(intent)
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        }
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    }
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}
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class FormInterceptActivity : AppCompatActivity() {
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    override fun onCreate(savedInstanceState: Bundle?) {
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        super.onCreate(savedInstanceState)
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        val uri = intent.getSupportParcelableExtra(EXTRA_URI, Uri::class.java)!!
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        setContent {
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            Scaffold { paddingValues ->
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                val pdfActivityConfiguration = PdfActivityConfiguration
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                    .Builder(this)
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                    .setUserInterfaceViewMode(UserInterfaceViewMode.USER_INTERFACE_VIEW_MODE_HIDDEN)
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                    .build()
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                val documentState = rememberDocumentState(uri, pdfActivityConfiguration)
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                val context = LocalContext.current
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                Box(Modifier.padding(paddingValues)) {
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                    DocumentView(
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                        documentState = documentState,
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                        modifier = Modifier.fillMaxSize(),
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                        documentManager = getDefaultDocumentManager(
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                            documentListener = DefaultListeners.documentListeners(
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                                onDocumentLoaded = {
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                                    Log.e(TAG, "onDocumentLoaded ${it.title}")
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                                    documentState.documentConnection.setPageIndex(16)
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                                },
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                                onPageChanged = { document, page ->
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                                    Log.e(TAG, "onPageChanged: ${document.title} - $page")
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                                },
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                                onDocumentSaved = {
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                                    Log.e(TAG, "onDocumentSaved ${it.title}")
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                                },
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                                onDocumentZoomed = { document, pageIndex, scaleFactor ->
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                                    Log.e(TAG, "onDocumentZoomed: ${document.title}  $pageIndex $scaleFactor")
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                                }
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                            ),
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                            annotationListener = DefaultListeners.annotationListeners(
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                                onAnnotationSelected = { annotation, created ->
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                                    Log.e(TAG, "onAnnotationSelected: ${annotation.type.name} $created")
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                                },
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                                onAnnotationDeselected = { annotation, created ->
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                                    Log.e(TAG, "onAnnotationDeselected: ${annotation.type.name} $created")
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                                }
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                            ),
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                            formListener = DefaultListeners.formListeners(
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                                onFormElementClickedListener = { formElement ->
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                                    Toast.makeText(
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                                        context,
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                                        "Clicked form of type ${formElement.type}",
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                                        Toast.LENGTH_SHORT
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                                    ).show()
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                                    true
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                                },
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                                onFormElementViewUpdatedListener = { formElement ->
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                                    println("Form click addOnFormElementViewUpdatedListener formElement ${formElement.type}")
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                                    true
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                                },
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                                onFormElementValidationSuccess = { formElement ->
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                                    println("Form click addOnFormElementValidationSuccess formElement ${formElement.type}")
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                                    true
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                                },
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                                onFormElementValidationFailed = { formElement, error ->
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                                    println("Form click addOnFormElementValidationFailed formElement ${formElement.type} error $error")
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                                    true
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                                },
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                                onEnterFormElementEditingMode = {
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                                    println("Form click addOnEnterFormElementEditingMode")
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                                    true
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                                },
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                                onChangeFormElementEditingMode = {
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                                    println("Form click addOnChangeFormElementEditingMode")
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                                    true
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                                },
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                                onExitFormElementEditingMode = {
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                                    println("Form click addOnExitFormElementEditingMode")
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                                    true
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                                },
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                                onFormElementUpdatedListener = { formElement ->
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                                    println("Form click addOnFormElementUpdatedListener formElement ${formElement.type}")
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                                    true
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                                },
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                                onFormElementSelectedListener = { formElement ->
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                                    println("Form click addOnFormElementSelectedListener formElement ${formElement.type}")
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                                    true
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                                },
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                                onFormElementDeselectedListener = { formElement, _ ->
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                                    println("Form click addOnFormElementDeselectedListener formElement ${formElement.type}")
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                                    true
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                                }
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                            )
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                        )
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                    )
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                }
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            }
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        }
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    }
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    companion object {
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        const val EXTRA_URI = "JetpackComposeActivity.DocumentUri"
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    }
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}