Updated the pdf generator, and improved pdf design
This commit is contained in:
sathwikcs
@@ -1,19 +1,23 @@
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package `in`.sminnovations.smiadmin.ui
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import android.content.Context
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import android.graphics.Color
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import android.graphics.LinearGradient
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import android.graphics.Paint
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import android.graphics.Path
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import android.graphics.Shader
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import android.graphics.Typeface
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import android.graphics.pdf.PdfDocument
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import android.os.Environment
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import java.io.File
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import java.io.FileOutputStream
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import android.graphics.Paint
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import android.graphics.Typeface
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import android.graphics.Color
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import com.google.firebase.Firebase
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import com.google.firebase.firestore.firestore
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import `in`.sminnovations.smiadmin.data.Employee
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import kotlinx.coroutines.tasks.await
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import java.io.File
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import java.io.FileOutputStream
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import java.text.SimpleDateFormat
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import java.util.*
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import java.util.Calendar
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import java.util.Locale
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class PDFGenerator(
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private val context: Context,
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@@ -23,16 +27,22 @@ class PDFGenerator(
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private lateinit var currentPage: PdfDocument.Page
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private lateinit var canvas: android.graphics.Canvas
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private var currentY: Float = 0f
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private val startX = 40f
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private val pageHeight = 842f // A4 height
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private val pageWidth = 595f // A4 width
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private var pageNumber = 1
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// Define colors
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private val primaryColor = Color.rgb(41, 128, 185) // Blue
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private val secondaryColor = Color.rgb(44, 62, 80) // Dark Blue
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private val borderColor = Color.rgb(189, 195, 199) // Light Gray
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private val backgroundColor = Color.rgb(236, 240, 241) // Very Light Gray
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// Constants for page layout
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private val pageWidth = 595f // A4 width
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private val pageHeight = 842f // A4 height
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private val margin = 40f
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private val contentWidth = pageWidth - (2 * margin)
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// Professional color scheme
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private val primaryColor = Color.rgb(41, 128, 185) // Professional blue
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private val secondaryColor = Color.rgb(44, 62, 80) // Dark blue
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private val accentColor = Color.rgb(230, 126, 34) // Orange for highlights
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private val backgroundColor = Color.rgb(236, 240, 241) // Light gray
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private val borderColor = Color.rgb(189, 195, 199) // Medium gray
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private val textColor = Color.rgb(52, 73, 94) // Dark gray for text
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private var pageNumber = 1
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suspend fun generateAttendanceReport(
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employees: List<Employee>,
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@@ -42,35 +52,43 @@ class PDFGenerator(
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document = PdfDocument()
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createNewPage()
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// Setup paints
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val headerPaint = Paint().apply {
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textSize = 28f
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textAlign = Paint.Align.CENTER
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typeface = Typeface.create(Typeface.DEFAULT, Typeface.BOLD)
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// Create paint objects
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val titlePaint = Paint().apply {
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textSize = 32f
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typeface = Typeface.create("sans-serif-light", Typeface.BOLD)
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color = primaryColor
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textAlign = Paint.Align.CENTER
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}
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val subHeaderPaint = Paint().apply {
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textSize = 20f
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textAlign = Paint.Align.CENTER
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val subtitlePaint = Paint().apply {
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textSize = 24f
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typeface = Typeface.create("sans-serif-light", Typeface.NORMAL)
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color = secondaryColor
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textAlign = Paint.Align.CENTER
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}
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val tableHeaderPaint = Paint().apply {
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textSize = 14f
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textAlign = Paint.Align.LEFT
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typeface = Typeface.create(Typeface.DEFAULT, Typeface.BOLD)
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typeface = Typeface.create("sans-serif-medium", Typeface.BOLD)
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color = Color.WHITE
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}
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val tablePaint = Paint().apply {
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val regularPaint = Paint().apply {
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textSize = 12f
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textAlign = Paint.Align.LEFT
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color = secondaryColor
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typeface = Typeface.create("sans-serif", Typeface.NORMAL)
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color = textColor
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}
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// Draw headers and table
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drawPageHeaders(headerPaint, subHeaderPaint, selectedYear, selectedMonth)
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val highlightPaint = Paint().apply {
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textSize = 12f
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typeface = Typeface.create("sans-serif-medium", Typeface.BOLD)
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color = accentColor
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}
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// Draw report header
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drawReportHeader(selectedYear, selectedMonth, titlePaint, subtitlePaint)
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// Draw table headers
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drawTableHeaders(tableHeaderPaint)
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// Process each employee
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@@ -78,7 +96,6 @@ class PDFGenerator(
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if (currentY > pageHeight - 100) {
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finishCurrentPage()
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createNewPage()
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drawPageHeaders(headerPaint, subHeaderPaint, selectedYear, selectedMonth)
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drawTableHeaders(tableHeaderPaint)
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}
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@@ -98,58 +115,166 @@ class PDFGenerator(
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}
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.sorted()
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// Draw row background
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val rowPaint = Paint().apply {
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color = if ((employees.indexOf(employee) % 2) == 0) {
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backgroundColor
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} else {
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Color.WHITE
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}
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}
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val rowHeight = 60f
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canvas.drawRect(startX, currentY, pageWidth - startX, currentY + rowHeight, rowPaint)
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// Draw employee details
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val nameY = currentY + 25f
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canvas.drawText(employee.Name, startX + 10f, nameY, tablePaint)
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canvas.drawText(
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"${presentDates.size} days",
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startX + 190f,
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nameY,
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tablePaint
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)
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// Format dates in groups of 5
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val datesText = presentDates.chunked(5).joinToString("\n") { chunk ->
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chunk.joinToString(", ") { day -> String.format("%02d", day) }
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}
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// Draw dates in multiple lines if needed
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var dateY = nameY
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datesText.split("\n").forEach { line ->
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canvas.drawText(line, startX + 290f, dateY, tablePaint)
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dateY += 15f
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}
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// Draw row borders
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val borderPaint = Paint().apply {
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style = Paint.Style.STROKE
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strokeWidth = 0.5f
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color = borderColor
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}
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canvas.drawLine(
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startX, currentY + rowHeight,
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pageWidth - startX, currentY + rowHeight,
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borderPaint
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)
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currentY += rowHeight
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drawEmployeeRow(employee, presentDates, regularPaint, highlightPaint)
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}
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// Add footer with page numbers
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drawFooter(regularPaint)
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// Finish and save document
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finishCurrentPage()
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return saveDocument(selectedYear, selectedMonth)
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}
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private fun drawReportHeader(
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selectedYear: Int,
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selectedMonth: Int,
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titlePaint: Paint,
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subtitlePaint: Paint
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) {
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// Draw decorative header background
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val headerPath = Path().apply {
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moveTo(0f, 0f)
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lineTo(pageWidth, 0f)
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lineTo(pageWidth, 120f)
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quadTo(pageWidth/2, 140f, 0f, 120f)
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close()
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}
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canvas.drawPath(headerPath, Paint().apply {
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color = primaryColor
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alpha = 20
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})
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// Draw company name
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canvas.drawText(companyName, pageWidth/2, 70f, titlePaint)
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// Draw report title
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val monthName = SimpleDateFormat("MMMM", Locale.getDefault())
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.format(Calendar.getInstance().apply {
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set(Calendar.MONTH, selectedMonth - 1)
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}.time)
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canvas.drawText(
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"Monthly Attendance Summary",
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pageWidth/2,
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105f,
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subtitlePaint
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)
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canvas.drawText(
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"$monthName $selectedYear",
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pageWidth/2,
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135f,
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subtitlePaint
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)
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currentY = 180f
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}
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private fun drawTableHeaders(headerPaint: Paint) {
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val headerHeight = 45f
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// Create gradient for header background
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val gradient = LinearGradient(
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margin, currentY,
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margin, currentY + headerHeight,
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primaryColor,
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secondaryColor,
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Shader.TileMode.CLAMP
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)
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// Draw header background with gradient
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canvas.drawRoundRect(
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margin, currentY,
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pageWidth - margin,
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currentY + headerHeight,
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8f, 8f,
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Paint().apply { shader = gradient }
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)
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// Draw column headers
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var xPos = margin + 15f
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canvas.drawText("Employee Name", xPos, currentY + 30f, headerPaint)
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xPos += 180f
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canvas.drawText("Days Present", xPos, currentY + 30f, headerPaint)
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xPos += 100f
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canvas.drawText("Attendance Dates", xPos, currentY + 30f, headerPaint)
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currentY += headerHeight + 5f
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}
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private fun drawEmployeeRow(
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employee: Employee,
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presentDates: List<Int>,
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regularPaint: Paint,
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highlightPaint: Paint
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) {
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val rowHeight = 60f
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// Draw row background
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canvas.drawRoundRect(
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margin, currentY,
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pageWidth - margin,
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currentY + rowHeight,
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4f, 4f,
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Paint().apply {
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color = backgroundColor
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}
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)
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// Draw employee name
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canvas.drawText(
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employee.Name,
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margin + 15f,
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currentY + 35f,
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regularPaint
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)
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// Draw days present
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canvas.drawText(
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"${presentDates.size} days",
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margin + 195f,
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currentY + 35f,
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highlightPaint
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)
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// Draw attendance dates
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val datesText = presentDates.chunked(5)
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.joinToString("\n") { chunk ->
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chunk.joinToString(", ") {
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String.format("%02d", it)
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}
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}
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var dateY = currentY + 25f
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datesText.split("\n").forEach { line ->
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canvas.drawText(
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line,
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margin + 295f,
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dateY,
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regularPaint
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)
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dateY += 15f
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}
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currentY += rowHeight + 5f
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}
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private fun drawFooter(paint: Paint) {
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paint.textAlign = Paint.Align.CENTER
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paint.textSize = 10f
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canvas.drawText(
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"Page $pageNumber",
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pageWidth/2,
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pageHeight - margin/2,
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paint
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)
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}
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private fun saveDocument(selectedYear: Int, selectedMonth: Int): File {
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val fileName = "Attendance_Summary_${selectedYear}_${selectedMonth}.pdf"
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val file = File(
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Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS),
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@@ -165,58 +290,18 @@ class PDFGenerator(
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}
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private fun createNewPage() {
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val pageInfo = PdfDocument.PageInfo.Builder(pageWidth.toInt(), pageHeight.toInt(), pageNumber++).create()
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val pageInfo = PdfDocument.PageInfo.Builder(
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pageWidth.toInt(),
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pageHeight.toInt(),
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pageNumber++
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).create()
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currentPage = document.startPage(pageInfo)
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canvas = currentPage.canvas
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currentY = 120f
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currentY = margin
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}
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private fun finishCurrentPage() {
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document.finishPage(currentPage)
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}
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private fun drawPageHeaders(
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headerPaint: Paint,
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subHeaderPaint: Paint,
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selectedYear: Int,
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selectedMonth: Int
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) {
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// Draw company logo background
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val logoBgPaint = Paint().apply {
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color = primaryColor
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alpha = 30
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}
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canvas.drawCircle(pageWidth / 2f, 45f, 100f, logoBgPaint)
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// Draw company name
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canvas.drawText(companyName, pageWidth / 2f, 60f, headerPaint)
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// Draw report title
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val monthName = SimpleDateFormat("MMMM", Locale.getDefault())
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.format(Calendar.getInstance().apply {
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set(Calendar.MONTH, selectedMonth - 1)
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}.time)
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val reportTitle = "Monthly Attendance Summary - $monthName $selectedYear"
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canvas.drawText(reportTitle, pageWidth / 2f, 95f, subHeaderPaint)
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currentY = 140f
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}
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private fun drawTableHeaders(headerPaint: Paint) {
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// Draw header background
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val headerBgPaint = Paint().apply {
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color = primaryColor
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}
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val headerHeight = 40f
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canvas.drawRect(startX, currentY, pageWidth - startX, currentY + headerHeight, headerBgPaint)
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// Draw column headers
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val textY = currentY + 25f
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canvas.drawText("Employee Name", startX + 10f, textY, headerPaint)
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canvas.drawText("Present Days", startX + 190f, textY, headerPaint)
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canvas.drawText("Dates Present", startX + 290f, textY, headerPaint)
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currentY += headerHeight
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}
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}
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