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using System.Collections.Generic; |
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using System.Linq; |
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using com.unity.uiwidgets.Runtime.rendering; |
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using UIWidgetsGallery.gallery; |
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using Unity.UIWidgets.foundation; |
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using Unity.UIWidgets.material; |
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using Unity.UIWidgets.painting; |
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using Color = Unity.UIWidgets.ui.Color; |
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using Material = Unity.UIWidgets.material.Material; |
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public _ProductItemShrineOrder( |
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Key key = null, |
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Product product = null, |
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int? quantity = null, |
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ValueChanged<int> onChanged = null |
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) : base(key: key) { |
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D.assert(product != null); |
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D.assert(quantity != null); |
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D.assert(onChanged != null); |
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this.product = product; |
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this.quantity = quantity; |
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this.onChanged = onChanged; |
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} |
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public _ProductItemShrineOrder( |
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Key key = null, |
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Product product = null, |
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int? quantity = null, |
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ValueChanged<int> onChanged = null |
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) : base(key: key) { |
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D.assert(product != null); |
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D.assert(quantity != null); |
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D.assert(onChanged != null); |
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this.product = product; |
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this.quantity = quantity; |
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this.onChanged = onChanged; |
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} |
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public readonly Product product; |
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public readonly int? quantity; |
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public readonly ValueChanged<int> onChanged; |
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public readonly Product product; |
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public readonly int? quantity; |
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public readonly ValueChanged<int> onChanged; |
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public override Widget build(BuildContext context) { |
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ShrineTheme theme = ShrineTheme.of(context); |
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return new Column( |
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mainAxisSize: MainAxisSize.min, |
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crossAxisAlignment: CrossAxisAlignment.stretch, |
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children: new List<Widget>{ |
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new Text(this.product.name, style: theme.featureTitleStyle), |
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new SizedBox(height: 24.0f), |
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new Text(this.product.description, style: theme.featureStyle), |
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new SizedBox(height: 16.0f), |
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new Padding( |
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padding: EdgeInsets.only(top: 8.0f, bottom: 8.0f, right: 88.0f), |
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child: new DropdownButtonHideUnderline( |
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child: new Container( |
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decoration: new BoxDecoration( |
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border: Border.all( |
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color: new Color(0xFFD9D9D9) |
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) |
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), |
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child: new DropdownButton<string>( |
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items: new List<int>{0, 1, 2, 3, 4, 5}.Select<int, DropdownMenuItem<string>>((int value) => { |
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return new DropdownMenuItem<string>( |
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value: $"{value}", |
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child: new Padding( |
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padding: EdgeInsets.only(left: 8.0f), |
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child: new Text($"Quantity {value}", style: theme.quantityMenuStyle) |
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public override Widget build(BuildContext context) { |
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ShrineTheme theme = ShrineTheme.of(context); |
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return new Column( |
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mainAxisSize: MainAxisSize.min, |
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crossAxisAlignment: CrossAxisAlignment.stretch, |
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children: new List<Widget> { |
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new Text(this.product.name, style: theme.featureTitleStyle), |
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new SizedBox(height: 24.0f), |
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new Text(this.product.description, style: theme.featureStyle), |
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new SizedBox(height: 16.0f), |
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new Padding( |
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padding: EdgeInsets.only(top: 8.0f, bottom: 8.0f, right: 88.0f), |
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child: new DropdownButtonHideUnderline( |
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child: new Container( |
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decoration: new BoxDecoration( |
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border: Border.all( |
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color: new Color(0xFFD9D9D9) |
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) |
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), |
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child: new DropdownButton<string>( |
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items: new List<int> {0, 1, 2, 3, 4, 5}.Select<int, DropdownMenuItem<string>>( |
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(int value) => { |
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return new DropdownMenuItem<string>( |
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value: $"{value}", |
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child: new Padding( |
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padding: EdgeInsets.only(left: 8.0f), |
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child: new Text($"Quantity {value}", style: theme.quantityMenuStyle) |
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) |
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); |
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}).ToList(), |
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value: $"{this.quantity}", |
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onChanged: (value) => { this.onChanged(int.Parse(value)); }) |
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) |
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); |
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}).ToList(), |
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value: $"{this.quantity}", |
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onChanged: (value) => { |
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this.onChanged(int.Parse(value)); |
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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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} |
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); |
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} |
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public _VendorItemShrineOrder( Key key = null, Vendor vendor = null ) |
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: base(key: key) { |
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D.assert(vendor != null); |
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this.vendor = vendor; |
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} |
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public _VendorItemShrineOrder(Key key = null, Vendor vendor = null) |
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: base(key: key) { |
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D.assert(vendor != null); |
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this.vendor = vendor; |
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} |
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public readonly Vendor vendor; |
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public readonly Vendor vendor; |
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public override Widget build(BuildContext context) { |
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ShrineTheme theme = ShrineTheme.of(context); |
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return new Column( |
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mainAxisSize: MainAxisSize.min, |
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crossAxisAlignment: CrossAxisAlignment.stretch, |
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children: new List<Widget>{ |
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new SizedBox( |
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height: 24.0f, |
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child: new Align( |
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alignment: Alignment.bottomLeft, |
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child: new Text(this.vendor.name, style: theme.vendorTitleStyle) |
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) |
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), |
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new SizedBox(height: 16.0f), |
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new Text(this.vendor.description, style: theme.vendorStyle) |
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} |
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); |
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} |
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public override Widget build(BuildContext context) { |
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ShrineTheme theme = ShrineTheme.of(context); |
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return new Column( |
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mainAxisSize: MainAxisSize.min, |
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crossAxisAlignment: CrossAxisAlignment.stretch, |
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children: new List<Widget> { |
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new SizedBox( |
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height: 24.0f, |
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child: new Align( |
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alignment: Alignment.bottomLeft, |
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child: new Text(this.vendor.name, style: theme.vendorTitleStyle) |
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) |
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), |
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new SizedBox(height: 16.0f), |
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new Text(this.vendor.description, style: theme.vendorStyle) |
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} |
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); |
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} |
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public _HeadingLayoutShrineOrder() {} |
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public _HeadingLayoutShrineOrder() { |
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} |
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public const string image = "image"; |
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public const string icon = "icon"; |
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public const string product = "product"; |
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public const string vendor = "vendor"; |
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public const string image = "image"; |
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public const string icon = "icon"; |
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public const string product = "product"; |
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public const string vendor = "vendor"; |
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public override void performLayout(Size size) { |
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const float margin = 56.0f; |
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bool landscape = size.width > size.height; |
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float imageWidth = (landscape ? size.width / 2.0f : size.width) - margin * 2.0f; |
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BoxConstraints imageConstraints = new BoxConstraints(maxHeight: 224.0f, maxWidth: imageWidth); |
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Size imageSize = this.layoutChild(image, imageConstraints); |
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const float imageY = 0.0f; |
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this.positionChild(image, new Offset(margin, imageY)); |
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public override void performLayout(Size size) { |
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const float margin = 56.0f; |
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bool landscape = size.width > size.height; |
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float imageWidth = (landscape ? size.width / 2.0f : size.width) - margin * 2.0f; |
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BoxConstraints imageConstraints = new BoxConstraints(maxHeight: 224.0f, maxWidth: imageWidth); |
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Size imageSize = this.layoutChild(image, imageConstraints); |
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const float imageY = 0.0f; |
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this.positionChild(image, new Offset(margin, imageY)); |
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float productWidth = landscape ? size.width / 2.0f : size.width - margin; |
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BoxConstraints productConstraints = new BoxConstraints(maxWidth: productWidth); |
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Size productSize = this.layoutChild(product, productConstraints); |
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float productX = landscape ? size.width / 2.0f : margin; |
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float productY = landscape ? 0.0f : imageY + imageSize.height + 16.0f; |
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this.positionChild(product, new Offset(productX, productY)); |
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float productWidth = landscape ? size.width / 2.0f : size.width - margin; |
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BoxConstraints productConstraints = new BoxConstraints(maxWidth: productWidth); |
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Size productSize = this.layoutChild(product, productConstraints); |
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float productX = landscape ? size.width / 2.0f : margin; |
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float productY = landscape ? 0.0f : imageY + imageSize.height + 16.0f; |
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this.positionChild(product, new Offset(productX, productY)); |
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Size iconSize = this.layoutChild(icon, BoxConstraints.loose(size)); |
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this.positionChild(icon, new Offset(productX - iconSize.width - 16.0f, productY + 8.0f)); |
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Size iconSize = this.layoutChild(icon, BoxConstraints.loose(size)); |
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this.positionChild(icon, new Offset(productX - iconSize.width - 16.0f, productY + 8.0f)); |
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float vendorWidth = landscape ? size.width - margin : productWidth; |
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this.layoutChild(vendor, new BoxConstraints(maxWidth: vendorWidth)); |
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float vendorX = landscape ? margin : productX; |
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float vendorY = productY + productSize.height + 16.0f; |
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this.positionChild(vendor, new Offset(vendorX, vendorY)); |
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} |
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float vendorWidth = landscape ? size.width - margin : productWidth; |
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this.layoutChild(vendor, new BoxConstraints(maxWidth: vendorWidth)); |
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float vendorX = landscape ? margin : productX; |
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float vendorY = productY + productSize.height + 16.0f; |
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this.positionChild(vendor, new Offset(vendorX, vendorY)); |
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} |
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public override bool shouldRelayout(MultiChildLayoutDelegate oldDelegate) => true; |
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public override bool shouldRelayout(MultiChildLayoutDelegate oldDelegate) { |
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return true; |
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} |
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public _HeadingShrineOrder( |
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Key key = null, |
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Product product = null, |
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int? quantity = null, |
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ValueChanged<int> quantityChanged = null |
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) : base(key: key) { |
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D.assert(product != null); |
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D.assert(quantity != null && quantity >= 0 && quantity <= 5); |
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this.product = product; |
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this.quantity = quantity; |
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this.quantityChanged = quantityChanged; |
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} |
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public _HeadingShrineOrder( |
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Key key = null, |
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Product product = null, |
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int? quantity = null, |
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ValueChanged<int> quantityChanged = null |
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) : base(key: key) { |
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D.assert(product != null); |
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D.assert(quantity != null && quantity >= 0 && quantity <= 5); |
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this.product = product; |
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this.quantity = quantity; |
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this.quantityChanged = quantityChanged; |
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} |
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public readonly Product product; |
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public readonly int? quantity; |
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public readonly ValueChanged<int> quantityChanged; |
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public readonly Product product; |
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public readonly int? quantity; |
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public readonly ValueChanged<int> quantityChanged; |
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public override Widget build(BuildContext context) { |
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Size screenSize = MediaQuery.of(context).size; |
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return new SizedBox( |
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height: (screenSize.height - Constants.kToolbarHeight) * 1.35f, |
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child: new Material( |
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type: MaterialType.card, |
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elevation: 0.0f, |
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child: new Padding( |
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padding: EdgeInsets.only(left: 16.0f, top: 18.0f, right: 16.0f, bottom: 24.0f), |
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child: new CustomMultiChildLayout( |
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layoutDelegate: new _HeadingLayoutShrineOrder(), |
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children: new List<Widget>{ |
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new LayoutId( |
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id: _HeadingLayoutShrineOrder.image, |
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child: new Hero( |
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tag: this.product.tag, |
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child: Image.asset(this.product.imageAsset, |
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fit: BoxFit.contain, |
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alignment: Alignment.center |
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) |
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) |
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), |
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new LayoutId( |
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id: _HeadingLayoutShrineOrder.icon, |
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child: new Icon( |
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Icons.info_outline, |
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size: 24.0f, |
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color: new Color(0xFFFFE0E0) |
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) |
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), |
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new LayoutId( |
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id: _HeadingLayoutShrineOrder.product, |
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child: new _ProductItemShrineOrder( |
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product: this.product, |
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quantity: this.quantity, |
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onChanged: this.quantityChanged |
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public override Widget build(BuildContext context) { |
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Size screenSize = MediaQuery.of(context).size; |
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return new SizedBox( |
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height: (screenSize.height - Constants.kToolbarHeight) * 1.35f, |
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child: new Material( |
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type: MaterialType.card, |
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elevation: 0.0f, |
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child: new Padding( |
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padding: EdgeInsets.only(left: 16.0f, top: 18.0f, right: 16.0f, bottom: 24.0f), |
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child: new CustomMultiChildLayout( |
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layoutDelegate: new _HeadingLayoutShrineOrder(), |
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children: new List<Widget> { |
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new LayoutId( |
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id: _HeadingLayoutShrineOrder.image, |
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child: new Hero( |
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tag: this.product.tag, |
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child: Image.asset(this.product.imageAsset, |
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fit: BoxFit.contain, |
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alignment: Alignment.center |
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) |
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) |
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), |
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new LayoutId( |
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id: _HeadingLayoutShrineOrder.icon, |
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child: new Icon( |
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Icons.info_outline, |
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size: 24.0f, |
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color: new Color(0xFFFFE0E0) |
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) |
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), |
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new LayoutId( |
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id: _HeadingLayoutShrineOrder.product, |
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child: new _ProductItemShrineOrder( |
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product: this.product, |
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quantity: this.quantity, |
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onChanged: this.quantityChanged |
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) |
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), |
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new LayoutId( |
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id: _HeadingLayoutShrineOrder.vendor, |
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child: new _VendorItemShrineOrder(vendor: this.product.vendor) |
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) |
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} |
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) |
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), |
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new LayoutId( |
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id: _HeadingLayoutShrineOrder.vendor, |
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child: new _VendorItemShrineOrder(vendor: this.product.vendor) |
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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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); |
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} |
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public OrderPage( |
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Key key = null, |
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Order order = null, |
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List<Product> products = null, |
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Dictionary<Product, Order> shoppingCart = null |
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) : base(key: key) { |
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D.assert(order != null); |
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D.assert(products != null && products.isNotEmpty()); |
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D.assert(shoppingCart != null); |
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this.order = order; |
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this.products = products; |
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this.shoppingCart = shoppingCart; |
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} |
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public OrderPage( |
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Key key = null, |
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Order order = null, |
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List<Product> products = null, |
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Dictionary<Product, Order> shoppingCart = null |
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) : base(key: key) { |
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D.assert(order != null); |
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D.assert(products != null && products.isNotEmpty()); |
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D.assert(shoppingCart != null); |
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this.order = order; |
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this.products = products; |
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this.shoppingCart = shoppingCart; |
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} |
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public readonly Order order; |
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public readonly List<Product> products; |
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public readonly Dictionary<Product, Order> shoppingCart; |
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public readonly Order order; |
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public readonly List<Product> products; |
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public readonly Dictionary<Product, Order> shoppingCart; |
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public override State createState() => new _OrderPageState(); |
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public override State createState() { |
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return new _OrderPageState(); |
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} |
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GlobalKey<ScaffoldState> scaffoldKey; |
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GlobalKey<ScaffoldState> scaffoldKey; |
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public override void initState() { |
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base.initState(); |
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this.scaffoldKey = GlobalKey<ScaffoldState>.key(debugLabel: $"Shrine Order {this.widget.order}"); |
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} |
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public override void initState() { |
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base.initState(); |
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this.scaffoldKey = GlobalKey<ScaffoldState>.key(debugLabel: $"Shrine Order {this.widget.order}"); |
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} |
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public Order currentOrder { |
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get { return ShrineOrderRoute.of(this.context).order; } |
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set { |
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ShrineOrderRoute.of(this.context).order = value; |
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} |
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} |
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public Order currentOrder { |
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get { return ShrineOrderRoute.of(this.context).order; } |
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set { ShrineOrderRoute.of(this.context).order = value; } |
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} |
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void updateOrder( int? quantity = null, bool? inCart = null) { |
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Order newOrder = this.currentOrder.copyWith(quantity: quantity, inCart: inCart); |
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if (this.currentOrder != newOrder) { |
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this.setState(() => { |
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this.widget.shoppingCart[newOrder.product] = newOrder; |
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this.currentOrder = newOrder; |
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}); |
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void updateOrder(int? quantity = null, bool? inCart = null) { |
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Order newOrder = this.currentOrder.copyWith(quantity: quantity, inCart: inCart); |
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if (this.currentOrder != newOrder) { |
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this.setState(() => { |
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this.widget.shoppingCart[newOrder.product] = newOrder; |
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this.currentOrder = newOrder; |
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}); |
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} |
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} |
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void showSnackBarMessage(string message) { |
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this.scaffoldKey.currentState.showSnackBar(new SnackBar(content: new Text(message))); |
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} |
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void showSnackBarMessage(string message) { |
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this.scaffoldKey.currentState.showSnackBar(new SnackBar(content: new Text(message))); |
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} |
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public override Widget build(BuildContext context) { |
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return new ShrinePage( |
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scaffoldKey: this.scaffoldKey, |
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products: this.widget.products, |
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shoppingCart: this.widget.shoppingCart, |
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floatingActionButton: new FloatingActionButton( |
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onPressed: () => { |
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this.updateOrder(inCart: true); |
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int n = this.currentOrder.quantity; |
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string item = this.currentOrder.product.name; |
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string message = n == 1 ? $"is one {item} item" : $"are {n} {item} items"; |
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this.showSnackBarMessage( |
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$"There {message} in the shopping cart." |
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); |
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}, |
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backgroundColor: new Color(0xFF16F0F0), |
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tooltip: "Add to cart", |
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child: new Icon( |
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Icons.add_shopping_cart, |
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color: Colors.black |
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) |
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), |
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body: new CustomScrollView( |
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slivers: new List<Widget>{ |
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new SliverToBoxAdapter( |
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child: new _HeadingShrineOrder( |
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product: this.widget.order.product, |
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quantity: this.currentOrder.quantity, |
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quantityChanged: (int value) => { this.updateOrder(quantity: value); } |
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) |
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), |
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new SliverSafeArea( |
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top: false, |
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minimum: EdgeInsets.fromLTRB(8.0f, 32.0f, 8.0f, 8.0f), |
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sliver: new SliverGrid( |
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gridDelegate: new SliverGridDelegateWithMaxCrossAxisExtent( |
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maxCrossAxisExtent: 248.0f, |
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mainAxisSpacing: 8.0f, |
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crossAxisSpacing: 8.0f |
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), |
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layoutDelegate: new SliverChildListDelegate( |
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this.widget.products |
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.FindAll((Product product) => product != this.widget.order.product) |
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.Select<Product, Widget>((Product product) => { |
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return new Card( |
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elevation: 1.0f, |
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child: Image.asset( |
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product.imageAsset, |
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fit: BoxFit.contain |
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) |
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public override Widget build(BuildContext context) { |
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return new ShrinePage( |
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scaffoldKey: this.scaffoldKey, |
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products: this.widget.products, |
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shoppingCart: this.widget.shoppingCart, |
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floatingActionButton: new FloatingActionButton( |
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onPressed: () => { |
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this.updateOrder(inCart: true); |
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int n = this.currentOrder.quantity; |
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string item = this.currentOrder.product.name; |
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string message = n == 1 ? $"is one {item} item" : $"are {n} {item} items"; |
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this.showSnackBarMessage( |
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$"There {message} in the shopping cart." |
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}).ToList() |
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) |
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}, |
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backgroundColor: new Color(0xFF16F0F0), |
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tooltip: "Add to cart", |
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child: new Icon( |
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|
Icons.add_shopping_cart, |
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color: Colors.black |
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) |
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), |
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body: new CustomScrollView( |
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slivers: new List<Widget> { |
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new SliverToBoxAdapter( |
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child: new _HeadingShrineOrder( |
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product: this.widget.order.product, |
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quantity: this.currentOrder.quantity, |
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quantityChanged: (int value) => { this.updateOrder(quantity: value); } |
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) |
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), |
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new SliverSafeArea( |
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top: false, |
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|
minimum: EdgeInsets.fromLTRB(8.0f, 32.0f, 8.0f, 8.0f), |
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|
sliver: new SliverGrid( |
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gridDelegate: new SliverGridDelegateWithMaxCrossAxisExtent( |
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|
maxCrossAxisExtent: 248.0f, |
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|
mainAxisSpacing: 8.0f, |
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crossAxisSpacing: 8.0f |
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), |
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layoutDelegate: new SliverChildListDelegate( |
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this.widget.products |
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|
.FindAll((Product product) => product != this.widget.order.product) |
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|
.Select<Product, Widget>((Product product) => { |
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|
return new Card( |
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|
elevation: 1.0f, |
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|
child: Image.asset( |
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|
product.imageAsset, |
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|
fit: BoxFit.contain |
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|
) |
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); |
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|
}).ToList() |
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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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|
); |
|
|
|
} |
|
|
|
); |
|
|
|
} |
|
|
|
public ShrineOrderRoute( |
|
|
|
Order order = null, |
|
|
|
WidgetBuilder builder = null, |
|
|
|
RouteSettings settings = null |
|
|
|
) : base(builder: builder, settings: settings) { |
|
|
|
D.assert(order != null); |
|
|
|
this.order = order; |
|
|
|
} |
|
|
|
public ShrineOrderRoute( |
|
|
|
Order order = null, |
|
|
|
WidgetBuilder builder = null, |
|
|
|
RouteSettings settings = null |
|
|
|
) : base(builder: builder, settings: settings) { |
|
|
|
D.assert(order != null); |
|
|
|
this.order = order; |
|
|
|
} |
|
|
|
public Order order; |
|
|
|
public Order order; |
|
|
|
public new Order currentResult { |
|
|
|
get { |
|
|
|
return this.order; |
|
|
|
} |
|
|
|
} |
|
|
|
public new Order currentResult { |
|
|
|
get { return this.order; } |
|
|
|
} |
|
|
|
public new static ShrineOrderRoute of(BuildContext context) => (ShrineOrderRoute) ModalRoute.of(context); |
|
|
|
public new static ShrineOrderRoute of(BuildContext context) { |
|
|
|
return (ShrineOrderRoute) ModalRoute.of(context); |
|
|
|
} |
|
|
|
|
|
|
|
} |
|
|
|
} |
Yuncong Zhang
6 年前