public static float CalculateTextHeight(string content, float width)
{
var contentHeight = CTextUtils.CalculateTextHeight(text: content, textStyle: _contentStyle,
width - _contentPadding.horizontal);
return(_contentPadding.vertical + contentHeight);
}
public static float CalculateTextHeight(string content, float width)
{
var contentHeight = CTextUtils.CalculateTextHeight(
text: MessageUtils.truncateMessage(content),
textStyle: _contentStyle,
textWidth: width - _contentPadding.horizontal);
return(_contentPadding.vertical + contentHeight);
}
public static float CalculateTextHeight(ChannelMessageView message, float width)
{
var attachment = message.attachments.first();
var fileTitleHeight = CTextUtils.CalculateTextHeight(text: attachment.filename, textStyle: _fileTitleStyle,
width - _filePadding.horizontal - 42 - 16);
var fileSizeHeight = CTextUtils.CalculateTextHeight(CStringUtils.FileSize(bytes: attachment.size),
textStyle: _fileSizeStyle, width - _filePadding.horizontal - 42 - 16);
return(_filePadding.vertical + fileTitleHeight + fileSizeHeight + 4);
}
float _getTipMenuHeight(BuildContext context)
{
if (this.tipMenuItems == null || this.tipMenuItems.Count == 0)
{
return(0);
}
var width = MediaQuery.of(context: context).size.width;
var textHeight = CTextUtils.CalculateTextHeight(
this.tipMenuItems.FirstOrDefault()?.title ?? "",
textStyle: CustomTextSelectionControlsUtils._kToolbarButtonFontStyle,
textWidth: width,
1
);
return(textHeight + 20);
}
public static float CalculateTextHeight(ChannelMessageView message, float width)
{
var contentHeight = CTextUtils.CalculateTextHeight(
text: MessageUtils.truncateMessage(message.content),
textStyle: _contentStyle,
textWidth: width - _contentPadding.horizontal);
float descriptionHeight;
if (message.type == ChannelMessageType.embedImage)
{
descriptionHeight = ImageMessage.CalculateTextHeight(message: message);
}
else if (message.type == ChannelMessageType.embedExternal)
{
var embedData = message.embeds[0].embedData;
var embedDataTitleHeight = CTextUtils.CalculateTextHeight(text: embedData.title,
textStyle: _embedTitleStyle, width - 48);
var embedDescriptionHeight = CTextUtils.CalculateTextHeight(text: embedData.description,
textStyle: _embedDescriptionStyle, width - 48, 4);
float embedNameHeight;
if (embedData.image.isEmpty() && embedData.name.isEmpty())
{
embedNameHeight = 0;
}
else
{
embedNameHeight = 22;
}
descriptionHeight = embedDataTitleHeight + 4 + embedDescriptionHeight + 4 + embedNameHeight;
}
else
{
descriptionHeight = 0;
}
return(contentHeight + descriptionHeight + _contentPadding.vertical + _contentPadding.vertical);
}
public override Widget build(BuildContext context)
{
var children = new List <Widget>();
if (this.title.isNotEmpty())
{
children.Add(
new Container(
padding: EdgeInsets.only(16, 24, 16, this.message == null ? 24 : 8),
alignment: Alignment.center,
child: new Text(
data: this.title,
style: CTextStyle.PLargeMedium,
textAlign: TextAlign.center
)
));
}
if (this.message.isNotEmpty())
{
var mediaQuery = MediaQuery.of(context: context);
var horizontalPadding = mediaQuery.viewInsets.left + mediaQuery.viewInsets.right + 40 + 40;
var width = mediaQuery.size.width - horizontalPadding - 32;
var maxHeight = CTextUtils.CalculateTextHeight(
text: this.message, textStyle: this._messageStyle, textWidth: width, 7);
var totalHeight = CTextUtils.CalculateTextHeight(
text: this.message, textStyle: this._messageStyle, textWidth: width);
if (maxHeight < totalHeight)
{
maxHeight += 16;
}
else
{
maxHeight += 32;
}
children.Add(new Container(
height: maxHeight,
alignment: Alignment.center,
child: new CustomScrollbar(
new SingleChildScrollView(
child: new Padding(
padding: EdgeInsets.only(16, 8, 16, 16),
child: new Text(
data: this.message,
style: this._messageStyle
)
)
)
)
));
}
if (this.actions != null)
{
children.Add(new CustomDivider(
height: 1
));
var _children = new List <Widget>();
foreach (var _child in this.actions)
{
_children.Add(new Expanded(
child: new Stack(
fit: StackFit.expand,
children: new List <Widget> {
_child
}
)
));
var index = this.actions.IndexOf(_child);
if (index < this.actions.Count - 1)
{
_children.Add(new Container(
width: 1,
color: CColors.Separator
));
}
}
Widget child = new Container(
height: 48,
child: new Row(
mainAxisAlignment: MainAxisAlignment.start,
children: _children
)
);
children.Add(item: child);
}
Widget dialogChild = new IntrinsicWidth(
child: new Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: children
)
);
return(new CustomDialog(
backgroundColor: CColors.White,
radius: 5,
child: dialogChild
));
}
IEnumerable <Widget> _buildComments(BuildContext context)
{
List <string> channelComments = new List <string>();
if (this.widget.viewModel.channelMessageList.ContainsKey(this._article.channelId))
{
channelComments = this.widget.viewModel.channelMessageList[this._article.channelId];
}
var mediaQuery = MediaQuery.of(context);
var comments = new List <Widget> {
new Container(
color: CColors.White,
width: mediaQuery.size.width,
padding: EdgeInsets.only(16, 16, 16),
child: new Text(
"评论",
style: CTextStyle.H5,
textAlign: TextAlign.left
)
)
};
var titleHeight = CTextUtils.CalculateTextHeight(
"评论",
CTextStyle.H5,
mediaQuery.size.width - 16 * 2, // 16 is horizontal padding
null
) + 16; // 16 is top padding
var height = mediaQuery.size.height - navBarHeight - 44 - mediaQuery.padding.vertical;
if (channelComments.Count == 0)
{
var blankView = new Container(
height: height - titleHeight,
child: new BlankView(
"快来写下第一条评论吧",
"image/default-comment"
)
);
comments.Add(item: blankView);
return(comments);
}
var messageDict = this.widget.viewModel.channelMessageDict[this._article.channelId];
float contentHeights = 0;
foreach (var commentId in channelComments)
{
if (!messageDict.ContainsKey(commentId))
{
break;
}
var message = messageDict[commentId];
bool isPraised = _isPraised(message, this.widget.viewModel.loginUserId);
var parentName = "";
if (message.parentMessageId.isNotEmpty())
{
if (messageDict.ContainsKey(message.parentMessageId))
{
var parentMessage = messageDict[message.parentMessageId];
parentName = parentMessage.author.fullName;
}
}
var content = MessageUtils.AnalyzeMessage(message.content, message.mentions,
message.mentionEveryone) + (parentName.isEmpty() ? "" : $"回复@{parentName}");
var contentHeight = CTextUtils.CalculateTextHeight(
content,
CTextStyle.PLargeBody,
// 16 is horizontal padding, 24 is avatar size, 8 is content left margin to avatar
mediaQuery.size.width - 16 * 2 - 24 - 8,
null
) + 16 + 24 + 3 + 5 + 22 + 12;
// 16 is top padding, 24 is avatar size, 3 is content top margin to avatar, 5 is content bottom margin to commentTime
// 22 is commentTime height, 12 is commentTime bottom margin
contentHeights += contentHeight;
var card = new CommentCard(
message,
isPraised,
parentName,
() => ReportManager.showReportView(this.widget.viewModel.isLoggedIn,
commentId,
ReportType.comment, this.widget.actionModel.pushToLogin, this.widget.actionModel.pushToReport
),
replyCallBack: () => {
if (!this.widget.viewModel.isLoggedIn)
{
this.widget.actionModel.pushToLogin();
}
else
{
AnalyticsManager.ClickComment("Article_Comment", this._article.channelId,
this._article.title, commentId);
ActionSheetUtils.showModalActionSheet(new CustomInput(
message.author.fullName.isEmpty() ? "" : message.author.fullName,
text => {
ActionSheetUtils.hiddenModalPopup();
this.widget.actionModel.sendComment(this._article.channelId,
text,
Snowflake.CreateNonce(),
commentId
);
})
);
}
},
praiseCallBack: () => {
if (!this.widget.viewModel.isLoggedIn)
{
this.widget.actionModel.pushToLogin();
}
else
{
if (isPraised)
{
this.widget.actionModel.removeLikeComment(message);
}
else
{
this.widget.actionModel.likeComment(message);
}
}
});
comments.Add(card);
}
float endHeight = 0;
if (!this._article.hasMore)
{
comments.Add(new Container(
height: 52,
alignment: Alignment.center,
child: new Text(
"一 已经全部加载完毕 一",
style: CTextStyle.PRegularBody4,
textAlign: TextAlign.center
)
));
endHeight = 52;
}
if (titleHeight + contentHeights + endHeight < height)
{
return(new List <Widget> {
new Container(
height: height,
child: new Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: comments
)
)
});
}
return(comments);
}
public override Widget build(BuildContext context)
{
this.widget.viewModel.articleDict.TryGetValue(this.widget.viewModel.articleId, out this._article);
if (this.widget.viewModel.articleDetailLoading && (this._article == null || !this._article.isNotFirst))
{
return(new Container(
color: CColors.White,
child: new CustomSafeArea(
child: new Column(
children: new List <Widget> {
this._buildNavigationBar(false),
new ArticleDetailLoading()
}
)
)
));
}
if (this._article == null || this._article.channelId == null)
{
return(new Container());
}
if (this._article.ownerType == "user")
{
if (this._article.userId != null &&
this.widget.viewModel.userDict.TryGetValue(this._article.userId, out this._user))
{
this._user = this.widget.viewModel.userDict[this._article.userId];
}
}
if (this._article.ownerType == "team")
{
if (this._article.teamId != null &&
this.widget.viewModel.teamDict.TryGetValue(this._article.teamId, out this._team))
{
this._team = this.widget.viewModel.teamDict[this._article.teamId];
}
}
if (this._titleHeight == 0f && this._article.title.isNotEmpty())
{
this._titleHeight = CTextUtils.CalculateTextHeight(
text: this._article.title,
textStyle: CTextStyle.H3,
MediaQuery.of(context).size.width - 16 * 2, // 16 is horizontal padding
null
) + 16; // 16 is top padding
this.setState(() => { });
}
var commentIndex = 0;
var originItems = this._article == null ? new List <Widget>() : this._buildItems(context, out commentIndex);
commentIndex = this._jumpState == _ArticleJumpToCommentState.active ? commentIndex : 0;
this._jumpState = _ArticleJumpToCommentState.Inactive;
var child = new Container(
color: CColors.Background,
child: new Column(
children: new List <Widget> {
this._buildNavigationBar(),
new Expanded(
child: new CustomScrollbar(
new CenteredRefresher(
controller: this._refreshController,
enablePullDown: false,
enablePullUp: this._article.hasMore,
onRefresh: this._onRefresh,
onNotification: this._onNotification,
children: originItems,
centerIndex: commentIndex
)
)
),
new ArticleTabBar(this._article.like,
() => {
if (!this.widget.viewModel.isLoggedIn)
{
this.widget.actionModel.pushToLogin();
}
else
{
AnalyticsManager.ClickComment("Article", this._article.channelId,
this._article.title);
ActionSheetUtils.showModalActionSheet(new CustomInput(
doneCallBack: text => {
ActionSheetUtils.hiddenModalPopup();
this.widget.actionModel.sendComment(this._article.channelId,
text,
Snowflake.CreateNonce(),
null
);
})
);
}
},
() => {
if (!this.widget.viewModel.isLoggedIn)
{
this.widget.actionModel.pushToLogin();
}
else
{
AnalyticsManager.ClickComment("Article", this._article.channelId,
this._article.title);
ActionSheetUtils.showModalActionSheet(new CustomInput(
doneCallBack: text => {
ActionSheetUtils.hiddenModalPopup();
this.widget.actionModel.sendComment(this._article.channelId,
text,
Snowflake.CreateNonce(),
null
);
})
);
}
},
() => {
if (!this.widget.viewModel.isLoggedIn)
{
this.widget.actionModel.pushToLogin();
}
else
{
if (!this._article.like)
{
this.widget.actionModel.likeArticle(this._article.id);
}
}
},
shareCallback: this.share
)
}
)
);
return(new Container(
color: CColors.White,
child: new CustomSafeArea(
child: child
)
));
}
IEnumerable <Widget> _buildComments(BuildContext context)
{
List <string> channelComments = new List <string>();
if (this.widget.viewModel.channelMessageList.ContainsKey(key: this._article.channelId))
{
channelComments = this.widget.viewModel.channelMessageList[key : this._article.channelId];
}
var mediaQuery = MediaQuery.of(context);
var comments = new List <Widget> {
new Container(
color: CColors.White,
width: mediaQuery.size.width,
padding: EdgeInsets.only(16, 16, 16),
child: new Text(
"评论",
style: CTextStyle.H5,
textAlign: TextAlign.left
)
)
};
var titleHeight = CTextUtils.CalculateTextHeight(
"评论",
CTextStyle.H5,
mediaQuery.size.width - 16 * 2, // 16 is horizontal padding
null
) + 16; // 16 is top padding
float safeAreaPadding = 0;
if (Application.platform != RuntimePlatform.Android)
{
safeAreaPadding = mediaQuery.padding.vertical;
}
var height = mediaQuery.size.height - navBarHeight - 44 - safeAreaPadding;
if (channelComments.Count == 0)
{
var blankView = new Container(
height: height - titleHeight,
child: new BlankView(
"快来写下第一条评论吧",
"image/default-comment"
)
);
comments.Add(item: blankView);
return(comments);
}
var messageDict = this.widget.viewModel.channelMessageDict[key : this._article.channelId];
float contentHeights = 0;
foreach (var commentId in channelComments)
{
if (!messageDict.ContainsKey(key: commentId))
{
break;
}
var message = messageDict[key : commentId];
bool isPraised = _isPraised(message: message, loginUserId: this.widget.viewModel.loginUserId);
var parentName = "";
var parentAuthorId = "";
if (message.upperMessageId.isNotEmpty())
{
if (messageDict.ContainsKey(key: message.upperMessageId))
{
var parentMessage = messageDict[key : message.upperMessageId];
parentName = parentMessage.author.fullName;
parentAuthorId = parentMessage.author.id;
}
}
else if (message.parentMessageId.isNotEmpty())
{
if (messageDict.ContainsKey(key: message.parentMessageId))
{
var parentMessage = messageDict[key : message.parentMessageId];
parentName = parentMessage.author.fullName;
parentAuthorId = parentMessage.author.id;
}
}
var content = MessageUtils.AnalyzeMessage(message.content, message.mentions,
message.mentionEveryone) + (parentName.isEmpty() ? "" : $"回复@{parentName}");
var contentHeight = CTextUtils.CalculateTextHeight(
content,
CTextStyle.PLargeBody,
// 16 is horizontal padding, 24 is avatar size, 8 is content left margin to avatar
mediaQuery.size.width - 16 * 2 - 24 - 8,
null
) + 16 + 24 + 3 + 5 + 22 + 12;
// 16 is top padding, 24 is avatar size, 3 is content top margin to avatar, 5 is content bottom margin to commentTime
// 22 is commentTime height, 12 is commentTime bottom margin
contentHeights += contentHeight;
var card = new CommentCard(
message: message,
isPraised: isPraised,
parentName: parentName,
parentAuthorId: parentAuthorId,
() => ReportManager.showReportView(
isLoggedIn: this.widget.viewModel.isLoggedIn,
reportType: ReportType.comment,
() => this.widget.actionModel.pushToLogin(),
() => this.widget.actionModel.pushToReport(arg1: commentId, arg2: ReportType.comment)
),
replyCallBack: () => this._sendComment(
"Article_Comment",
message.parentMessageId.isNotEmpty() ? message.parentMessageId : commentId,
message.parentMessageId.isNotEmpty() ? commentId : "",
message.author.fullName.isEmpty() ? "" : message.author.fullName
),
praiseCallBack: () => {
if (!this.widget.viewModel.isLoggedIn)
{
this.widget.actionModel.pushToLogin();
}
else
{
if (isPraised)
{
this.widget.actionModel.removeLikeComment(arg: message);
}
else
{
this.widget.actionModel.likeComment(arg: message);
}
}
},
pushToUserDetail: this.widget.actionModel.pushToUserDetail
);
comments.Add(item: card);
}
float endHeight = 0;
if (!this._article.hasMore)
{
comments.Add(new EndView());
endHeight = 52;
}
if (titleHeight + contentHeights + endHeight < height)
{
return(new List <Widget> {
new Container(
height: height,
child: new Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: comments
)
)
});
}
return(comments);
}
public override Widget build(BuildContext context)
{
this.widget.viewModel.articleDict.TryGetValue(key: this.widget.viewModel.articleId,
value: out this._article);
if (this.widget.viewModel.articleDetailLoading && (this._article == null || !this._article.isNotFirst))
{
return(new Container(
color: CColors.White,
child: new CustomSafeArea(
child: new Column(
children: new List <Widget> {
this._buildNavigationBar(false),
new ArticleDetailLoading()
}
)
)
));
}
if (this._article == null || this._article.channelId == null)
{
return(new Container(
color: CColors.White,
child: new CustomSafeArea(
child: new Column(
children: new List <Widget> {
this._buildNavigationBar(false),
new Flexible(
child: new BlankView("帖子不存在", "image/default-history")
)
}
)
)
));;
}
if (this._article.ownerType == "user")
{
if (this._article.userId != null &&
this.widget.viewModel.userDict.TryGetValue(this._article.userId, out this._user))
{
this._user = this.widget.viewModel.userDict[key : this._article.userId];
}
}
if (this._article.ownerType == "team")
{
if (this._article.teamId != null &&
this.widget.viewModel.teamDict.TryGetValue(this._article.teamId, out this._team))
{
this._team = this.widget.viewModel.teamDict[key : this._article.teamId];
}
}
if (this._titleHeight == 0f && this._article.title.isNotEmpty())
{
this._titleHeight = CTextUtils.CalculateTextHeight(
text: this._article.title,
textStyle: CTextStyle.H3,
MediaQuery.of(context).size.width - 16 * 2, // 16 is horizontal padding
null
) + 16; // 16 is top padding
this.setState(() => { });
}
var commentIndex = 0;
var originItems = this._article == null ? new List <Widget>() : this._buildItems(context, out commentIndex);
commentIndex = this._jumpState == _ArticleJumpToCommentState.active ? commentIndex : 0;
this._jumpState = _ArticleJumpToCommentState.Inactive;
Widget contentWidget;
//happens at the next frame after user presses the "Comment" button
//we rebuild a CenteredRefresher so that we can calculate out the comment section's position
if (this._needRebuildWithCachedCommentPosition == false && commentIndex != 0)
{
contentWidget = new CenteredRefresher(
controller: this._refreshController,
enablePullDown: false,
enablePullUp: this._article.hasMore,
onRefresh: this._onRefresh,
onNotification: this._onNotification,
children: originItems,
centerIndex: commentIndex
);
}
else
{
//happens when the page is updated or (when _needRebuildWithCachedCommentPosition is true) at the next frame after
//a CenteredRefresher is created and the comment section's position is estimated
//we use 0 or this estimated position to initiate the SmartRefresher's init scroll offset, respectively
D.assert(!this._needRebuildWithCachedCommentPosition || this._cachedCommentPosition != null);
contentWidget = new SmartRefresher(
initialOffset: this._needRebuildWithCachedCommentPosition ? this._cachedCommentPosition.Value : 0f,
controller: this._refreshController,
enablePullDown: false,
enablePullUp: this._article.hasMore,
onRefresh: this._onRefresh,
onNotification: this._onNotification,
child: ListView.builder(
physics: new AlwaysScrollableScrollPhysics(),
itemCount: originItems.Count,
itemBuilder: (cxt, index) => originItems[index]
));
if (this._needRebuildWithCachedCommentPosition)
{
this._needRebuildWithCachedCommentPosition = false;
//assume that when we jump to the comment, the title should always be shown as the header
//this assumption will fail when an article is shorter than 16 pixels in height (as referred to in _onNotification
this._controller.forward();
this._isHaveTitle = true;
}
}
var child = new Container(
color: CColors.Background,
child: new Column(
children: new List <Widget> {
this._buildNavigationBar(),
new Expanded(
child: new CustomScrollbar(
child: contentWidget
)
),
this._buildArticleTabBar()
}
)
);
return(new Container(
color: CColors.White,
child: new CustomSafeArea(
child: child
)
));
}
public override Widget build(BuildContext context)
{
this.widget.viewModel.articleDict.TryGetValue(key: this.widget.viewModel.articleId,
value: out this._article);
if (this.widget.viewModel.articleDetailLoading && (this._article == null || !this._article.isNotFirst))
{
return(new Container(
color: CColors.White,
child: new CustomSafeArea(
child: new Column(
children: new List <Widget> {
this._buildNavigationBar(false),
new ArticleDetailLoading()
}
)
)
));
}
if (this._article == null || this._article.channelId == null)
{
return(new Container());
}
if (this._article.ownerType == "user")
{
if (this._article.userId != null &&
this.widget.viewModel.userDict.TryGetValue(this._article.userId, out this._user))
{
this._user = this.widget.viewModel.userDict[key : this._article.userId];
}
}
if (this._article.ownerType == "team")
{
if (this._article.teamId != null &&
this.widget.viewModel.teamDict.TryGetValue(this._article.teamId, out this._team))
{
this._team = this.widget.viewModel.teamDict[key : this._article.teamId];
}
}
if (this._titleHeight == 0f && this._article.title.isNotEmpty())
{
this._titleHeight = CTextUtils.CalculateTextHeight(
text: this._article.title,
textStyle: CTextStyle.H3,
MediaQuery.of(context).size.width - 16 * 2, // 16 is horizontal padding
null
) + 16; // 16 is top padding
this.setState(() => { });
}
var commentIndex = 0;
var originItems = this._article == null ? new List <Widget>() : this._buildItems(context, out commentIndex);
commentIndex = this._jumpState == _ArticleJumpToCommentState.active ? commentIndex : 0;
this._jumpState = _ArticleJumpToCommentState.Inactive;
var child = new Container(
color: CColors.Background,
child: new Column(
children: new List <Widget> {
this._buildNavigationBar(),
new Expanded(
child: new CustomScrollbar(
new CenteredRefresher(
controller: this._refreshController,
enablePullDown: false,
enablePullUp: this._article.hasMore,
onRefresh: this._onRefresh,
onNotification: this._onNotification,
children: originItems,
centerIndex: commentIndex
)
)
),
this._buildArticleTabBar()
}
)
);
return(new Container(
color: CColors.White,
child: new CustomSafeArea(
child: child
)
));
}