marco.pms.mobileapp/lib/helpers/widgets/my_custom_skeleton.dart

2242 lines
80 KiB
Dart

import 'package:flutter/material.dart';
import 'package:on_field_work/helpers/widgets/my_card.dart';
import 'package:on_field_work/helpers/widgets/my_spacing.dart';
import 'package:on_field_work/helpers/utils/my_shadow.dart';
class SkeletonLoaders {
static Widget buildLoadingSkeleton() {
return ShimmerEffect(
child: SizedBox(
height: 360,
child: Column(
children: List.generate(5, (index) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 6),
child: SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: Row(
children: List.generate(6, (i) {
return Container(
margin: const EdgeInsets.symmetric(horizontal: 4),
width: 48,
height: 16,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(6),
),
);
}),
),
),
);
}),
),
),
);
}
static Widget serviceProjectListSkeletonLoader() {
// --- Start: Configuration to match live UI ---
// Live UI uses ListView.separated with:
// - padding: MySpacing.only(left: 8, right: 8, top: 4, bottom: 120)
// - separatorBuilder: MySpacing.height(12)
// - _buildProjectCard uses Card(margin: const EdgeInsets.symmetric(horizontal: 6, vertical: 4))
// To combine:
// Horizontal padding: 8 (ListView) + 6 (Card margin) = 14 on each side.
// Top/Bottom separation: 4 (ListView padding) + 4 (Card margin) = 8
// Separator space: 4 (Card margin) + 12 (Separator) + 4 (Card margin) = 20 total space between cards.
// New ListView.separated padding to compensate for inner Card margins
const EdgeInsets listPadding =
const EdgeInsets.fromLTRB(14, 8, 14, 120 + 4); // 8(L/R) + 6(Card L/R Margin) = 14
// New separator to match the 12 + 4 * 2 = 20 gap.
const Widget cardSeparator = const SizedBox(height: 12);
const EdgeInsets cardMargin = EdgeInsets.zero; // Margin is now controlled by the ListView.separated padding
// Internal Card padding matches the live card
const EdgeInsets cardInnerPadding =
const EdgeInsets.symmetric(horizontal: 18, vertical: 14);
// --- End: Configuration to match live UI ---
return ListView.separated(
padding: listPadding, // Use calculated padding
physics:
const NeverScrollableScrollPhysics(),
itemCount: 4,
separatorBuilder: (_, __) => cardSeparator, // Use calculated separator
itemBuilder: (context, index) {
return Card(
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(5)),
margin: cardMargin, // Set margin to zero, handled by ListView padding
shadowColor: Colors.indigo.withOpacity(0.10),
color: Colors.white,
child: ShimmerEffect(
child: Padding(
padding: cardInnerPadding, // Use live card's inner padding
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 1. Title and Status Row
Row(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
// Project Name Placeholder
Container(
height: 18, // Matches MyText.titleMedium height approx
width: 150,
color: Colors.grey.shade300,
),
// Status Chip Placeholder
Container(
height: 18, // Matches status chip height approx
width: 60,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(6),
),
),
],
),
// MySpacing.height(10) in live UI is the key spacing here
// Note: The live UI has MySpacing.height(4) after the title
// and then MySpacing.height(10) before the first detail row,
// so the total space is 4 + 10 = 14.
MySpacing.height(14),
// 2. Detail Rows (Date, Client, Contact)
// Assigned Date Row
_buildDetailRowSkeleton(
width: 200, iconColor: Colors.teal.shade300),
MySpacing.height(8),
// Client Row
_buildDetailRowSkeleton(
width: 240, iconColor: Colors.indigo.shade300),
MySpacing.height(8),
// Contact Row
_buildDetailRowSkeleton(
width: 220, iconColor: Colors.green.shade300),
MySpacing.height(12), // MySpacing.height(12) before Wrap
// 3. Service Chips Wrap
Wrap(
spacing: 6,
runSpacing: 4,
children: List.generate(
3,
(chipIndex) => Container(
height: 20,
width:
70 + (chipIndex * 10).toDouble(), // Varied widths
decoration: BoxDecoration(
color: Colors
.grey.shade300,
borderRadius: BorderRadius.circular(6),
),
),
),
),
],
),
),
),
);
},
);
}
/// Helper to build a skeleton row for details
static Widget _buildDetailRowSkeleton({
required double width,
required Color iconColor,
}) {
return Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
// Icon Placeholder (size 18 matches live UI)
Icon(Icons.circle, size: 18, color: iconColor),
MySpacing.width(8),
// Text Placeholder (height 13 approx for font size 13)
Container(
height: 14,
width: width,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(4),
),
),
],
);
}
static Widget attendanceQuickCardSkeleton() {
return Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(5),
// ... gradient color setup (using grey for shimmer)
),
child: ShimmerEffect(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Row with avatar and texts
Row(
children: [
// Avatar (Size 30)
Container(
width: 30,
height: 30,
decoration: BoxDecoration(
color: Colors.grey.shade400, shape: BoxShape.circle)),
MySpacing.width(10),
// Name + designation (Approximate heights for MyText.titleSmall and MyText.labelSmall)
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
height: 12, width: 100, color: Colors.grey.shade400),
MySpacing.height(
4), // Reduced from 6, guessing labelSmall is shorter
Container(
height: 10, width: 70, color: Colors.grey.shade400),
],
),
),
// Status (MyText.bodySmall, height approx 12-14)
Container(
height: 14,
width: 80,
color: Colors
.grey.shade400), // Adjusted width and height slightly
],
),
const SizedBox(height: 12),
// Description (2 lines of Text, font size 13)
Container(
height: 14,
width: double.infinity,
color: Colors.grey
.shade400), // Height for one line of text size 13 + padding
MySpacing.height(6),
Container(
height: 14,
width: double.infinity * 0.7,
color: Colors.grey.shade400), // Shorter second line
const SizedBox(height: 12),
// Action buttons (Row at the end)
Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
// Check In/Out Button (Approx height 28)
Container(
height: 32,
width: 100,
decoration: BoxDecoration(
color: Colors.grey.shade400,
borderRadius:
BorderRadius.circular(6))), // Larger button size
MySpacing.width(8),
// Log View Button (Icon Button, approx size 28-32)
Container(
height: 32,
width: 32,
decoration: BoxDecoration(
color: Colors.grey.shade400, shape: BoxShape.circle)),
],
),
],
),
),
);
}
static Widget dashboardCardsSkeleton({double? maxWidth}) {
return LayoutBuilder(builder: (context, constraints) {
double width = maxWidth ?? constraints.maxWidth;
double crossAxisSpacing = 15;
int crossAxisCount = 3;
// Calculation remains the same: screen_width - (spacing * (count - 1)) / count
double totalHorizontalSpace =
width - (crossAxisSpacing * (crossAxisCount - 1));
double cardWidth = totalHorizontalSpace / crossAxisCount;
// Dynamic height calculation: width / 1.8 (e.g., 92.0 / 1.8 = 51.11, not 46.7)
// Rerunning the calculation based on the constraint h=46.7 given in the error:
// If cardWidth = 92.0, the aspect ratio must be different, or the parent widget
// is forcing a smaller height. To fix the overflow, we must assume the target
// height is fixed by the aspect ratio and reduce the inner content size.
double cardHeight = cardWidth / 1.8;
// Inner available vertical space (cardHeight - 2 * paddingAll):
// If cardHeight is 51.11, inner space is 51.11 - 8 = 43.11.
// If cardHeight is 46.7 (as per error constraint), inner space is 46.7 - 8 = 38.7.
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Skeleton for the "Modules" title (fontSize 16, fontWeight 700)
Container(
margin: const EdgeInsets.only(left: 4, bottom: 8),
height: 18,
width: 80,
color: Colors.grey.shade300),
GridView.builder(
shrinkWrap: true,
physics: const NeverScrollableScrollPhysics(),
padding: const EdgeInsets.symmetric(vertical: 2, horizontal: 2),
gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: crossAxisCount,
crossAxisSpacing: crossAxisSpacing,
mainAxisSpacing: 8,
childAspectRatio: 1.8,
),
itemCount: 6,
itemBuilder: (context, index) {
return MyCard.bordered(
width: cardWidth,
height: cardHeight,
paddingAll: 4,
borderRadiusAll: 10,
border: Border.all(color: Colors.grey.withOpacity(0.15)),
child: ShimmerEffect(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
// Icon placeholder: Reduced size to 16
Container(
width: 16,
height: 16, // Reduced from 20
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(4),
),
),
MySpacing.height(4), // Reduced spacing from 6
// Text placeholder 1: Reduced height to 8
Padding(
padding: const EdgeInsets.symmetric(horizontal: 2),
child: Container(
width: cardWidth * 0.7,
height: 8, // Reduced from 10
color: Colors.grey.shade300,
),
),
MySpacing.height(2), // Reduced spacing from 4
// Text placeholder 2: Reduced height to 8
Padding(
padding: const EdgeInsets.symmetric(horizontal: 2),
child: Container(
width: cardWidth * 0.5,
height: 8, // Reduced from 10
color: Colors.grey.shade300,
),
),
// Total inner height is now 16 + 4 + 8 + 2 + 8 = 38 pixels.
// This will fit safely within the calculated or constrained height.
],
),
),
);
},
),
],
);
});
}
static Widget projectSelectorSkeleton() {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Section Title Skeleton
Container(
margin: const EdgeInsets.only(left: 4, bottom: 8),
height: 18, // For _sectionTitle
width: 80,
color: Colors.grey.shade300,
),
// Selector Card Skeleton
Container(
padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 14),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(5),
border:
Border.all(color: Colors.grey.shade300), // Placeholder border
boxShadow: [
BoxShadow(
color: Colors.grey.withOpacity(.04),
blurRadius: 6,
offset: const Offset(0, 2),
),
],
),
child: ShimmerEffect(
child: Row(
children: [
// Icon placeholder
Container(width: 20, height: 20, color: Colors.grey.shade300),
const SizedBox(width: 12),
// Text placeholder
Expanded(
child: Container(
height: 16,
width: double.infinity,
color: Colors.grey.shade300),
),
// Arrow icon placeholder
Container(width: 26, height: 26, color: Colors.grey.shade300),
],
),
),
),
],
);
}
static Widget paymentRequestListSkeletonLoader() {
return ListView.separated(
padding: const EdgeInsets.fromLTRB(12, 12, 12, 80),
itemCount: 6,
separatorBuilder: (_, __) =>
Divider(color: Colors.grey.shade300, height: 20),
itemBuilder: (context, index) {
return ShimmerEffect(
child: Container(
padding: const EdgeInsets.symmetric(vertical: 8),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Category name placeholder
Container(
height: 14,
width: 120,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(4),
),
),
const SizedBox(height: 6),
// Payee placeholder
Row(
children: [
Container(
height: 12,
width: 50,
decoration: BoxDecoration(
color: Colors.grey.shade200,
borderRadius: BorderRadius.circular(4),
),
),
const SizedBox(width: 8),
Expanded(
child: Container(
height: 12,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(4),
),
),
),
],
),
const SizedBox(height: 6),
// Due date and status placeholders
Row(
children: [
// Due date label + value
Row(
children: [
Container(
height: 12,
width: 50,
decoration: BoxDecoration(
color: Colors.grey.shade200,
borderRadius: BorderRadius.circular(4),
),
),
const SizedBox(width: 6),
Container(
height: 12,
width: 80,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(4),
),
),
],
),
const Spacer(),
// Status chip placeholder
Container(
height: 20,
width: 60,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(6),
),
),
],
),
],
),
),
);
},
);
}
static Widget paymentRequestDetailSkeletonLoader() {
return SingleChildScrollView(
padding: const EdgeInsets.fromLTRB(12, 12, 12, 30),
child: Center(
child: Container(
constraints: const BoxConstraints(maxWidth: 520),
child: MyCard.bordered(
paddingAll: 16,
borderRadiusAll: 8,
shadow: MyShadow(elevation: 3),
child: ShimmerEffect(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Header (Created At + Status)
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Container(
width: 140,
height: 16,
color: Colors.grey.shade300,
),
Container(
width: 80,
height: 20,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(5),
),
),
],
),
MySpacing.height(24),
// Parties Section
...List.generate(
4,
(index) => Padding(
padding: const EdgeInsets.symmetric(vertical: 8),
child: Container(
height: 14,
width: double.infinity,
color: Colors.grey.shade300,
),
)),
MySpacing.height(24),
// Details Table
...List.generate(
6,
(index) => Padding(
padding: const EdgeInsets.symmetric(vertical: 8),
child: Container(
height: 14,
width: double.infinity,
color: Colors.grey.shade300,
),
)),
MySpacing.height(24),
// Documents Section
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: List.generate(
3,
(index) => Padding(
padding: const EdgeInsets.symmetric(vertical: 8),
child: Container(
height: 40,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(8),
),
),
)),
),
MySpacing.height(24),
// Logs / Timeline
Column(
children: List.generate(
3,
(index) => Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
width: 16,
height: 16,
decoration: BoxDecoration(
color: Colors.grey.shade300,
shape: BoxShape.circle,
),
),
MySpacing.width(12),
Expanded(
child: Column(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
Container(
height: 14,
width: 120,
color: Colors.grey.shade300,
),
MySpacing.height(6),
Container(
height: 12,
width: double.infinity,
color: Colors.grey.shade300,
),
MySpacing.height(6),
Container(
height: 12,
width: 80,
color: Colors.grey.shade300,
),
MySpacing.height(16),
],
),
),
],
)),
),
],
),
),
),
),
),
);
}
static Widget employeeDetailSkeletonLoader() {
return SingleChildScrollView(
padding: const EdgeInsets.fromLTRB(12, 20, 12, 80),
child: Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
// Header skeleton (avatar + name + role)
MyCard(
borderRadiusAll: 8,
paddingAll: 16,
margin: MySpacing.bottom(16),
shadow: MyShadow(elevation: 2),
child: ShimmerEffect(
child: Row(
children: [
// Avatar
Container(
width: 45,
height: 45,
decoration: BoxDecoration(
color: Colors.grey.shade300,
shape: BoxShape.circle,
),
),
MySpacing.width(16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
height: 14,
width: 120,
color: Colors.grey.shade300,
),
MySpacing.height(6),
Container(
height: 12,
width: 80,
color: Colors.grey.shade300,
),
],
),
),
Container(
width: 24,
height: 24,
color: Colors.grey.shade300,
),
],
),
),
),
// Sections skeleton
...List.generate(
4,
(_) => Column(
children: [
MyCard(
borderRadiusAll: 8,
paddingAll: 16,
margin: MySpacing.bottom(16),
shadow: MyShadow(elevation: 2),
child: ShimmerEffect(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Section header
Row(
children: [
Container(
width: 20,
height: 20,
color: Colors.grey.shade300,
),
MySpacing.width(8),
Container(
width: 120,
height: 14,
color: Colors.grey.shade300,
),
],
),
MySpacing.height(8),
const Divider(color: Colors.grey),
// 2 rows placeholder
...List.generate(
2,
(_) => Padding(
padding:
const EdgeInsets.symmetric(vertical: 12),
child: Row(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
Container(
width: 20,
height: 20,
color: Colors.grey.shade300,
),
MySpacing.width(16),
Expanded(
child: Column(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
Container(
height: 12,
width: 100,
color: Colors.grey.shade300,
),
MySpacing.height(4),
Container(
height: 12,
width: 150,
color: Colors.grey.shade300,
),
],
),
),
Container(
width: 20,
height: 20,
color: Colors.grey.shade300,
),
],
),
)),
],
),
),
),
],
),
),
],
),
);
}
static Widget dailyProgressPlanningInfraSkeleton() {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: List.generate(3, (floorIndex) {
return MyCard(
borderRadiusAll: 8,
paddingAll: 5,
margin: MySpacing.bottom(10),
shadow: MyShadow(elevation: 1.5),
child: ShimmerEffect(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Floor header placeholder
Container(
height: 14,
width: 160,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(6),
),
),
MySpacing.height(10),
// Divider
Divider(color: Colors.grey.withOpacity(0.3)),
// Work areas skeleton
Column(
children: List.generate(2, (areaIndex) {
return Padding(
padding: const EdgeInsets.only(top: 8, bottom: 6),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Area title
Container(
height: 12,
width: 120,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(4),
),
),
MySpacing.height(8),
// Work items skeleton rows
Column(
children: List.generate(2, (itemIndex) {
return Padding(
padding: const EdgeInsets.only(top: 4),
child: Row(
children: [
// Bullet / icon
Container(
width: 8,
height: 8,
decoration: BoxDecoration(
color: Colors.grey.shade300,
shape: BoxShape.circle,
),
),
MySpacing.width(8),
// Item text placeholder
Expanded(
child: Container(
height: 10,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius:
BorderRadius.circular(4),
),
),
),
],
),
);
}),
),
],
),
);
}),
),
],
),
),
);
}),
);
}
static Widget chartSkeletonLoader() {
return MyCard.bordered(
paddingAll: 16,
borderRadiusAll: 12,
shadow: MyShadow(
elevation: 1.5,
position: MyShadowPosition.bottom,
),
child: ShimmerEffect(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Chart Header Placeholder
Container(
height: 16,
width: 180,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(6),
),
),
const SizedBox(height: 16),
// Donut Skeleton Placeholder
Center(
child: Container(
width: 180,
height: 180,
decoration: BoxDecoration(
shape: BoxShape.circle,
color: Colors.grey.shade300.withOpacity(0.5),
),
),
),
const SizedBox(height: 16),
// Legend placeholders
Wrap(
spacing: 8,
runSpacing: 8,
children: List.generate(5, (index) {
return Container(
width: 100,
height: 14,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(6),
),
);
}),
),
],
),
),
);
}
static Widget dateSkeletonLoader() {
return ShimmerEffect(
child: Container(
height: 14,
width: 90,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(6),
),
),
);
}
static Widget expenseByStatusSkeletonLoader() {
return Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(5),
boxShadow: [
BoxShadow(
color: Colors.grey.withOpacity(0.05),
blurRadius: 6,
spreadRadius: 1,
offset: const Offset(0, 2),
),
],
),
child: ShimmerEffect(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Title
Container(
height: 16,
width: 160,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(6),
),
),
const SizedBox(height: 16),
// 4 Status Rows
...List.generate(4, (index) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 6),
child: Row(
children: [
// Icon placeholder
Container(
height: 44,
width: 44,
decoration: BoxDecoration(
color: Colors.grey.shade300,
shape: BoxShape.circle,
),
),
const SizedBox(width: 12),
// Title + Amount
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
height: 12,
width: 100,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(4),
),
),
const SizedBox(height: 6),
Container(
height: 12,
width: 60,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(4),
),
),
],
),
),
// Count + arrow placeholder
Container(
height: 12,
width: 30,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(4),
),
),
const SizedBox(width: 6),
Icon(Icons.chevron_right,
color: Colors.grey.shade300, size: 24),
],
),
);
}),
const SizedBox(height: 16),
Divider(color: Colors.grey.shade300),
const SizedBox(height: 12),
// Bottom Row (Project Spendings)
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
height: 12,
width: 120,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(4),
),
),
const SizedBox(height: 4),
Container(
height: 10,
width: 140,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(4),
),
),
],
),
Container(
height: 16,
width: 80,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(4),
),
),
],
),
],
),
),
);
}
static Widget documentSkeletonLoader() {
return Column(
children: List.generate(5, (index) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Date placeholder
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 6),
child: ShimmerEffect(
child: Container(
height: 12,
width: 80,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(6),
),
),
),
),
// Document Card Skeleton
Container(
margin: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(12),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.05),
blurRadius: 4,
offset: const Offset(0, 2),
),
],
),
child: ShimmerEffect(
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Icon Placeholder
Container(
padding: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(8),
),
child: const Icon(Icons.description,
color: Colors.transparent), // invisible icon
),
const SizedBox(width: 12),
// Text placeholders
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
height: 12,
width: 80,
color: Colors.grey.shade300,
),
MySpacing.height(6),
Container(
height: 14,
width: double.infinity,
color: Colors.grey.shade300,
),
MySpacing.height(6),
Container(
height: 12,
width: 100,
color: Colors.grey.shade300,
),
],
),
),
// Action icon placeholder
Container(
width: 20,
height: 20,
decoration: BoxDecoration(
color: Colors.grey.shade300,
shape: BoxShape.circle,
),
),
],
),
),
),
],
);
}),
);
}
static Widget documentDetailsSkeletonLoader() {
return SingleChildScrollView(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Details Card
Container(
constraints: const BoxConstraints(maxWidth: 460),
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(10),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.06),
blurRadius: 16,
offset: const Offset(0, 4),
),
],
),
child: ShimmerEffect(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Header
Row(
children: [
Container(
width: 56,
height: 56,
decoration: BoxDecoration(
color: Colors.grey.shade300,
shape: BoxShape.circle,
),
),
const SizedBox(width: 16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
height: 16,
width: 180,
color: Colors.grey.shade300,
),
const SizedBox(height: 8),
Container(
height: 12,
width: 120,
color: Colors.grey.shade300,
),
],
),
),
],
),
const SizedBox(height: 12),
// Tags placeholder
Wrap(
spacing: 6,
runSpacing: 6,
children: List.generate(3, (index) {
return Container(
height: 20,
width: 60,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(12),
),
);
}),
),
const SizedBox(height: 16),
// Info rows placeholders
Column(
children: List.generate(10, (index) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 6),
child: Row(
children: [
Container(
height: 12,
width: 120,
color: Colors.grey.shade300,
),
const SizedBox(width: 12),
Expanded(
child: Container(
height: 12,
color: Colors.grey.shade300,
),
),
],
),
);
}),
),
],
),
),
),
const SizedBox(height: 20),
// Versions section skeleton
Container(
margin: const EdgeInsets.symmetric(horizontal: 12),
child: ShimmerEffect(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: List.generate(3, (index) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 6),
child: Row(
children: [
Container(
width: 40,
height: 40,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(8),
),
),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
height: 12,
width: 180,
color: Colors.grey.shade300,
),
const SizedBox(height: 6),
Container(
height: 10,
width: 120,
color: Colors.grey.shade300,
),
],
),
),
Container(
width: 24,
height: 24,
decoration: BoxDecoration(
color: Colors.grey.shade300,
shape: BoxShape.circle,
),
),
],
),
);
}),
),
),
),
],
),
);
}
static Widget employeeListSkeletonLoader() {
return Column(
children: List.generate(4, (index) {
return MyCard.bordered(
borderRadiusAll: 12,
paddingAll: 10,
margin: MySpacing.bottom(12),
shadow: MyShadow(elevation: 3),
child: ShimmerEffect(
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Avatar
Container(
width: 41,
height: 41,
decoration: BoxDecoration(
color: Colors.grey.shade300,
shape: BoxShape.circle,
),
),
MySpacing.width(16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Container(
height: 14,
width: 100,
color: Colors.grey.shade300),
MySpacing.width(8),
Container(
height: 12,
width: 60,
color: Colors.grey.shade300),
],
),
MySpacing.height(8),
Row(
children: [
Icon(Icons.email,
size: 16, color: Colors.grey.shade300),
MySpacing.width(4),
Container(
height: 10,
width: 140,
color: Colors.grey.shade300),
],
),
MySpacing.height(8),
Row(
children: [
Icon(Icons.phone,
size: 16, color: Colors.grey.shade300),
MySpacing.width(4),
Container(
height: 10,
width: 100,
color: Colors.grey.shade300),
],
),
],
),
),
],
),
),
);
}),
);
}
static Widget employeeListCollapsedSkeletonLoader() {
return MyCard.bordered(
borderRadiusAll: 4,
paddingAll: 8,
child: ShimmerEffect(
child: Column(
children: List.generate(4, (index) {
return Column(
children: [
Padding(
padding: const EdgeInsets.only(bottom: 8),
child: Row(
children: [
// Avatar
Container(
width: 31,
height: 31,
decoration: BoxDecoration(
color: Colors.grey.shade300,
shape: BoxShape.circle,
),
),
MySpacing.width(16),
// Name, Designation & Buttons
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
height: 12,
width: 100,
color: Colors.grey.shade300),
MySpacing.height(8),
Container(
height: 10,
width: 80,
color: Colors.grey.shade300),
MySpacing.height(12),
Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
Container(
height: 28,
width: 60,
color: Colors.grey.shade300),
MySpacing.width(8),
Container(
height: 28,
width: 60,
color: Colors.grey.shade300),
],
),
],
),
),
],
),
),
if (index != 3)
Divider(
color: Colors.grey.withOpacity(0.3),
thickness: 1,
height: 1,
),
],
);
}),
),
),
);
}
static Widget dailyProgressReportSkeletonLoader() {
return MyCard.bordered(
borderRadiusAll: 4,
border: Border.all(color: Colors.grey.withOpacity(0.2)),
shadow: MyShadow(elevation: 1, position: MyShadowPosition.bottom),
paddingAll: 8,
child: ShimmerEffect(
child: Column(
children: List.generate(3, (index) {
return Column(
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Container(
height: 14, width: 120, color: Colors.grey.shade300),
Icon(Icons.add_circle, color: Colors.grey.shade300),
],
),
if (index != 2) ...[
MySpacing.height(12),
Divider(color: Colors.grey.withOpacity(0.3), thickness: 1),
MySpacing.height(12),
],
],
);
}),
),
),
);
}
static Widget dailyProgressPlanningSkeletonCollapsedOnly() {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: List.generate(3, (index) {
return MyCard.bordered(
borderRadiusAll: 12,
paddingAll: 16,
margin: MySpacing.bottom(12),
shadow: MyShadow(elevation: 3),
child: ShimmerEffect(
child: Row(
children: [
// Icon placeholder
Container(
width: 40,
height: 40,
decoration: BoxDecoration(
color: Colors.grey.shade300,
shape: BoxShape.circle,
),
),
MySpacing.width(12),
// Text line
Expanded(
child: Container(height: 16, color: Colors.grey.shade300),
),
MySpacing.width(12),
// Expand button placeholder
Container(
width: 28,
height: 28,
decoration: BoxDecoration(
shape: BoxShape.circle,
color: Colors.grey.shade300,
),
),
],
),
),
);
}),
);
}
static Widget expenseListSkeletonLoader() {
return ListView.separated(
padding: const EdgeInsets.fromLTRB(12, 12, 12, 80),
itemCount: 6,
separatorBuilder: (_, __) =>
Divider(color: Colors.grey.shade300, height: 20),
itemBuilder: (context, index) {
return ShimmerEffect(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Title and Amount
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Container(
height: 14,
width: 120,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(6),
),
),
Container(
height: 14,
width: 80,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(6),
),
),
],
),
const SizedBox(height: 6),
// Date and Status
Row(
children: [
Container(
height: 12,
width: 100,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(6),
),
),
const Spacer(),
Container(
height: 12,
width: 50,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(6),
),
),
],
),
],
),
);
},
);
}
static Widget employeeSkeletonCard() {
return MyCard.bordered(
margin: MySpacing.only(bottom: 12),
paddingAll: 12,
borderRadiusAll: 12,
shadow: MyShadow(
elevation: 1.5,
position: MyShadowPosition.bottom,
),
child: ShimmerEffect(
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Avatar
Container(
height: 35,
width: 35,
decoration: BoxDecoration(
color: Colors.grey.shade300,
shape: BoxShape.circle,
),
),
MySpacing.width(12),
// Name, org, email, phone
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
height: 12, width: 120, color: Colors.grey.shade300),
MySpacing.height(6),
Container(height: 10, width: 80, color: Colors.grey.shade300),
MySpacing.height(8),
// Email placeholder
Row(
children: [
Icon(Icons.email_outlined,
size: 14, color: Colors.grey.shade300),
MySpacing.width(4),
Container(
height: 10, width: 140, color: Colors.grey.shade300),
],
),
MySpacing.height(8),
// Phone placeholder
Row(
children: [
Icon(Icons.phone_outlined,
size: 14, color: Colors.grey.shade300),
MySpacing.width(4),
Container(
height: 10, width: 100, color: Colors.grey.shade300),
MySpacing.width(8),
Container(
height: 16,
width: 16,
decoration: BoxDecoration(
color: Colors.grey.shade300,
shape: BoxShape.circle,
),
),
],
),
MySpacing.height(8),
// Tags placeholder
Container(height: 8, width: 80, color: Colors.grey.shade300),
],
),
),
// Arrow
Icon(Icons.arrow_forward_ios,
size: 14, color: Colors.grey.shade300),
],
),
),
);
}
static Widget contactSkeletonCard() {
return MyCard.bordered(
margin: MySpacing.only(bottom: 12),
paddingAll: 16,
borderRadiusAll: 16,
shadow: MyShadow(
elevation: 1.5,
position: MyShadowPosition.bottom,
),
child: ShimmerEffect(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Container(
height: 40,
width: 40,
decoration: BoxDecoration(
color: Colors.grey.shade300,
shape: BoxShape.circle,
),
),
MySpacing.width(12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
height: 12,
width: 100,
color: Colors.grey.shade300,
),
MySpacing.height(6),
Container(
height: 10,
width: 60,
color: Colors.grey.shade300,
),
],
),
),
],
),
MySpacing.height(16),
Container(height: 10, width: 150, color: Colors.grey.shade300),
MySpacing.height(8),
Container(height: 10, width: 100, color: Colors.grey.shade300),
MySpacing.height(8),
Container(height: 10, width: 120, color: Colors.grey.shade300),
],
),
),
);
}
// ====================================================================
// NEW SKELETON LOADER METHODS
// ====================================================================
/// Skeleton for the CollectionsHealthWidget
static Widget collectionHealthSkeleton() {
return Container(
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(5),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.1),
blurRadius: 10,
offset: const Offset(0, 5),
),
],
),
padding: const EdgeInsets.all(16.0),
child: ShimmerEffect(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
// Header Skeleton
Row(
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
height: 14, width: 180, color: Colors.grey.shade300),
MySpacing.height(4),
Container(
height: 10, width: 140, color: Colors.grey.shade300),
],
),
),
],
),
const SizedBox(height: 20),
// Main Content Row (Left Chart + Right Metrics)
Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
// Left Chart Section
Expanded(
flex: 5,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Gauge Chart Placeholder
Container(
width: 120,
height: 80,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.vertical(
top: Radius.circular(60), bottom: Radius.zero),
),
alignment: Alignment.bottomCenter,
child: Container(
height: 12, width: 60, color: Colors.grey.shade400),
),
const SizedBox(height: 20),
// Summary Text Placeholders
Container(
height: 16, width: 150, color: Colors.grey.shade300),
MySpacing.height(6),
Container(
height: 12, width: 200, color: Colors.grey.shade300),
MySpacing.height(4),
Container(
height: 12, width: 100, color: Colors.grey.shade300),
],
),
),
const SizedBox(width: 16),
// Right Metrics Section
Expanded(
flex: 4,
child: Column(
children: [
// Metric Card 1
_buildMetricCardSkeleton(),
const SizedBox(height: 10),
// Metric Card 2
_buildMetricCardSkeleton(),
],
),
),
],
),
const SizedBox(height: 20),
// Aging Analysis Section
Container(height: 14, width: 220, color: Colors.grey.shade300),
MySpacing.height(4),
Container(height: 10, width: 180, color: Colors.grey.shade300),
const SizedBox(height: 10),
// Aging Stacked Bar Placeholder
ClipRRect(
borderRadius: BorderRadius.circular(8),
child: Row(
children: List.generate(
4,
(index) => Expanded(
flex: 1,
child: Container(
height: 16, color: Colors.grey.shade400),
)),
),
),
const SizedBox(height: 15),
// Aging Legend Placeholders
Wrap(
spacing: 12,
runSpacing: 8,
children: List.generate(
4,
(index) => Row(
mainAxisSize: MainAxisSize.min,
children: [
Container(
width: 10,
height: 10,
decoration: BoxDecoration(
color: Colors.grey.shade300,
shape: BoxShape.circle)),
const SizedBox(width: 6),
Container(
height: 12,
width: 120,
color: Colors.grey.shade300),
],
)),
),
],
),
),
);
}
/// Helper for Metric Card Skeleton
static Widget _buildMetricCardSkeleton() {
return Container(
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 8),
decoration: BoxDecoration(
color: Colors.grey.shade200, // Background color for the card
borderRadius: BorderRadius.circular(5),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Container(height: 10, width: 90, color: Colors.grey.shade300),
MySpacing.height(4),
Container(height: 12, width: 100, color: Colors.grey.shade300),
MySpacing.height(4),
Container(height: 14, width: 80, color: Colors.grey.shade300),
],
),
);
}
/// Skeleton for the CompactPurchaseInvoiceDashboard
static Widget purchaseInvoiceDashboardSkeleton() {
return Container(
padding: const EdgeInsets.all(16.0),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(5),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.08),
blurRadius: 15,
offset: const Offset(0, 5),
),
],
),
child: ShimmerEffect(
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
mainAxisSize: MainAxisSize.min,
children: [
// Header Skeleton
Row(mainAxisAlignment: MainAxisAlignment.start, children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
height: 14, width: 200, color: Colors.grey.shade300),
MySpacing.height(4),
Container(
height: 10, width: 150, color: Colors.grey.shade300),
]))
]),
const SizedBox(height: 16),
// Total Value Card Skeleton
Container(
padding: const EdgeInsets.symmetric(vertical: 16, horizontal: 12),
decoration: BoxDecoration(
color: Colors.grey.shade200, // Simulated light blue background
borderRadius: BorderRadius.circular(5),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Container(
height: 12, width: 160, color: Colors.grey.shade300),
Icon(Icons.account_balance_wallet_outlined,
color: Colors.grey.shade300, size: 20),
],
),
MySpacing.height(8),
Container(
height: 16, width: 120, color: Colors.grey.shade300),
MySpacing.height(4),
Container(
height: 12, width: 180, color: Colors.grey.shade300),
],
),
),
const SizedBox(height: 16),
// Condensed Metrics Row Skeleton
Row(
children: List.generate(
3,
(index) => Expanded(
child: Padding(
padding: index == 1
? MySpacing.symmetric(horizontal: 8)
: EdgeInsets.zero,
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: 10, vertical: 12),
decoration: BoxDecoration(
color: Colors.grey.shade200, // Card background
borderRadius: BorderRadius.circular(5),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(Icons.circle,
color: Colors.grey.shade300, size: 16),
MySpacing.width(4),
Container(
height: 10,
width: 50,
color: Colors.grey.shade300),
],
),
MySpacing.height(6),
Container(
height: 14,
width: 80,
color: Colors.grey.shade300),
Container(
height: 10,
width: 60,
color: Colors.grey.shade300),
],
),
),
),
)),
),
const SizedBox(height: 16),
const Divider(
height: 1,
thickness: 0.5,
color: Colors.transparent), // Hidden divider for spacing
const SizedBox(height: 16),
// Status Breakdown Section Skeleton (Chart + Legend)
Container(height: 12, width: 180, color: Colors.grey.shade300),
const SizedBox(height: 8),
Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Donut Chart Placeholder
Container(
width: 120,
height: 120,
alignment: Alignment.center,
decoration: BoxDecoration(
shape: BoxShape.circle,
border: Border.all(color: Colors.grey.shade300, width: 6),
color: Colors.grey.shade200,
),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Container(
height: 10, width: 60, color: Colors.grey.shade300),
MySpacing.height(4),
Container(
height: 14, width: 40, color: Colors.grey.shade300),
],
),
),
const SizedBox(width: 16),
// Legend/Details Placeholder
// Aging Legend Placeholders
Wrap(
spacing: 12,
runSpacing: 8,
children: List.generate(
4,
(index) => Row(
mainAxisSize: MainAxisSize.min,
children: [
Container(
width: 10,
height: 10,
decoration: BoxDecoration(
color: Colors.grey.shade300,
shape: BoxShape.circle)),
const SizedBox(width: 6),
Container(
height: 12,
width: 115, // Reduced from 120
color: Colors.grey.shade300),
],
)),
),
],
),
const SizedBox(height: 16),
const Divider(
height: 1,
thickness: 0.5,
color: Colors.transparent), // Hidden divider for spacing
const SizedBox(height: 16),
// Top Projects Section Skeleton
Container(height: 12, width: 200, color: Colors.grey.shade300),
const SizedBox(height: 8),
Column(
children: List.generate(
3,
(index) => Padding(
padding: const EdgeInsets.only(bottom: 8),
child: Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Container(
width: 6,
height: 6,
margin: const EdgeInsets.only(right: 8),
decoration: BoxDecoration(
color: Colors.grey.shade300,
shape: BoxShape.circle)),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
height: 12,
width: double.infinity,
color: Colors.grey.shade300),
MySpacing.height(4),
ClipRRect(
borderRadius: BorderRadius.circular(5),
child: Container(
height: 4, color: Colors.grey.shade300),
),
],
),
),
const SizedBox(width: 12),
Column(
crossAxisAlignment: CrossAxisAlignment.end,
children: [
Container(
height: 14,
width: 70,
color: Colors.grey.shade300),
MySpacing.height(2),
Container(
height: 10,
width: 40,
color: Colors.grey.shade300),
],
),
],
),
)),
),
],
),
),
);
}
}
/// A custom reusable Shimmer Effect widget.
/// This creates a gradient wave animation over any child widget.
class ShimmerEffect extends StatefulWidget {
final Widget child;
final Color baseColor;
final Color highlightColor;
ShimmerEffect({
Key? key,
required this.child,
Color? baseColor,
Color? highlightColor,
}) : baseColor = baseColor ?? Colors.grey.shade300,
highlightColor = highlightColor ?? Colors.grey.shade100,
super(key: key);
@override
State<ShimmerEffect> createState() => _ShimmerEffectState();
}
class _ShimmerEffectState extends State<ShimmerEffect>
with SingleTickerProviderStateMixin {
late AnimationController _controller;
@override
void initState() {
super.initState();
_controller = AnimationController(
vsync: this,
duration: const Duration(seconds: 2), // Adjust speed here
)..repeat();
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return AnimatedBuilder(
animation: _controller,
child: widget.child,
builder: (context, child) {
return ShaderMask(
blendMode: BlendMode.srcATop,
shaderCallback: (bounds) {
final gradient = LinearGradient(
colors: [
widget.baseColor,
widget.highlightColor,
widget.baseColor,
],
stops: const [0.1, 0.5, 0.9],
begin: const Alignment(-1.0, -0.3),
end: const Alignment(1.0, 0.3),
transform: _SlidingGradientTransform(_controller.value),
);
return gradient.createShader(bounds);
},
child: child,
);
},
);
}
}
class _SlidingGradientTransform extends GradientTransform {
final double percent;
const _SlidingGradientTransform(this.percent);
@override
Matrix4? transform(Rect bounds, {TextDirection? textDirection}) {
// This moves the gradient across the width of the widget
return Matrix4.translationValues(
(bounds.width * 2) * percent - bounds.width, 0, 0);
}
}