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//
// PackageCellView.cs
//
// Author:
// Matt Ward <matt.ward@xamarin.com>
//
// Copyright (c) 2014 Xamarin Inc. (http://xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using MonoDevelop.Core;
using Xwt;
using Xwt.Drawing;
namespace MonoDevelop.PackageManagement
{
internal class ManagePackagesCellView : CanvasCellView
{
int packageIdFontSize;
int packageDescriptionFontSize;
public ManagePackagesCellView ()
{
CellWidth = 260;
if (Platform.IsWindows) {
packageIdFontSize = 10;
packageDescriptionFontSize = 9;
} else {
packageIdFontSize = 12;
packageDescriptionFontSize = 11;
}
}
public IDataField<ManagePackagesSearchResultViewModel> PackageField { get; set; }
public IDataField<Image> ImageField { get; set; }
public double CellWidth { get; set; }
protected override void OnDraw (Context ctx, Rectangle cellArea)
{
ManagePackagesSearchResultViewModel packageViewModel = GetValue (PackageField);
if (packageViewModel == null) {
return;
}
UpdateTextColor (ctx);
DrawPackageImage (ctx, cellArea);
double packageIdWidth = cellArea.Width - packageDescriptionPadding.HorizontalSpacing - packageDescriptionLeftOffset;
// Package download count.
if (packageViewModel.HasDownloadCount) {
var downloadCountTextLayout = new TextLayout ();
downloadCountTextLayout.Text = packageViewModel.GetDownloadCountOrVersionDisplayText ();
Size size = downloadCountTextLayout.GetSize ();
Point location = new Point (cellArea.Right - packageDescriptionPadding.Right, cellArea.Top + packageDescriptionPadding.Top);
Point downloadLocation = location.Offset (-size.Width, 0);
ctx.DrawTextLayout (downloadCountTextLayout, downloadLocation);
packageIdWidth = downloadLocation.X - cellArea.Left - packageIdRightHandPaddingWidth - packageDescriptionPadding.HorizontalSpacing - packageDescriptionLeftOffset;
}
// Package Id.
// Use the package id and not the package title to prevent a pango crash if the title
// contains Chinese characters.
var packageIdTextLayout = new TextLayout ();
packageIdTextLayout.Font = packageIdTextLayout.Font.WithSize (packageIdFontSize);
packageIdTextLayout.Markup = packageViewModel.GetIdMarkup ();
packageIdTextLayout.Trimming = TextTrimming.WordElipsis;
Size packageIdTextSize = packageIdTextLayout.GetSize ();
packageIdTextLayout.Width = packageIdWidth;
ctx.DrawTextLayout (
packageIdTextLayout,
cellArea.Left + packageDescriptionPadding.Left + packageDescriptionLeftOffset,
cellArea.Top + packageDescriptionPadding.Top);
// Package description.
var descriptionTextLayout = new TextLayout ();
descriptionTextLayout.Font = descriptionTextLayout.Font.WithSize (packageDescriptionFontSize);
descriptionTextLayout.Width = cellArea.Width - packageDescriptionPadding.HorizontalSpacing - packageDescriptionLeftOffset;
descriptionTextLayout.Height = cellArea.Height - packageIdTextSize.Height - packageDescriptionPadding.VerticalSpacing;
descriptionTextLayout.Text = packageViewModel.Summary;
descriptionTextLayout.Trimming = TextTrimming.Word;
ctx.DrawTextLayout (
descriptionTextLayout,
cellArea.Left + packageDescriptionPadding.Left + packageDescriptionLeftOffset,
cellArea.Top + packageIdTextSize.Height + packageDescriptionPaddingHeight + packageDescriptionPadding.Top);
}
void UpdateTextColor (Context ctx)
{
if (Selected) {
ctx.SetColor (Styles.CellTextSelectionColor);
} else {
ctx.SetColor (Styles.CellTextColor);
}
}
void DrawPackageImage (Context ctx, Rectangle cellArea)
{
Image image = GetValue (ImageField);
if (image == null) {
image = defaultPackageImage;
}
if (Selected)
image = image.WithStyles ("sel");
if (PackageImageNeedsResizing (image)) {
Point imageLocation = GetPackageImageLocation (maxPackageImageSize, cellArea);
ctx.DrawImage (
image,
cellArea.Left + packageImagePadding.Left + imageLocation.X,
Math.Round( cellArea.Top + packageImagePadding.Top + imageLocation.Y),
maxPackageImageSize.Width,
maxPackageImageSize.Height);
} else {
Point imageLocation = GetPackageImageLocation (image.Size, cellArea);
ctx.DrawImage (
image,
cellArea.Left + packageImagePadding.Left + imageLocation.X,
Math.Round (cellArea.Top + packageImagePadding.Top + imageLocation.Y));
}
}
bool PackageImageNeedsResizing (Image image)
{
return (image.Width > maxPackageImageSize.Width) || (image.Height > maxPackageImageSize.Height);
}
Point GetPackageImageLocation (Size imageSize, Rectangle cellArea)
{
double width = (packageImageAreaWidth - imageSize.Width) / 2;
double height = (cellArea.Height - imageSize.Height - packageImagePadding.Bottom) / 2;
return new Point (width, height);
}
protected override Size OnGetRequiredSize (SizeConstraint widthConstraint)
{
var layout = new TextLayout ();
layout.Text = "W";
layout.Font = layout.Font.WithSize (packageDescriptionFontSize);
Size size = layout.GetSize ();
return new Size (CellWidth, size.Height * linesDisplayedCount + packageDescriptionPaddingHeight + packageDescriptionPadding.VerticalSpacing);
}
const int packageDescriptionPaddingHeight = 5;
const int packageIdRightHandPaddingWidth = 5;
const int linesDisplayedCount = 4;
const int packageImageAreaWidth = 54;
const int packageDescriptionLeftOffset = packageImageAreaWidth + 8;
WidgetSpacing packageDescriptionPadding = new WidgetSpacing (5, 5, 5, 5);
WidgetSpacing packageImagePadding = new WidgetSpacing (0, 0, 0, 0);
Size maxPackageImageSize = new Size (48, 48);
static readonly Image defaultPackageImage = Image.FromResource (typeof(ManagePackagesCellView), "package-48.png");
}
}
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