So I'm making a draw2d program. I have some inputted text which I word wrap by doing:
TextFlow textWrapper = new TextFlow(_title);
FlowPage flowPage = new FlowPage();
flowPage.add(textWrapper);
Now I need to find the height of the text inside it's container with a fixed width. So far I haven't been able to find a way to do so. Other threads I've looked at have mentioned using the getPreferredSize() method but this fails to return the correct height.
Any advice would be helpful, thanks.
You should be able to get this value by invoking getPreferredSize(<your width>, -1). Worked for me, as you can read here. Just remember that you have to invalidate the container for it to work, otherwise it will take values from it's internal cache (at least that is what I remember).
Related
I'm trying, to wrap my head around Touchosc and script based on LUA 5.1.
I have a number of labels, called song0, song1, song2, and so on. I'm trying to set different values in these, using
local text = 'Smoke On The Water'
for i = 1, 2 do
self.children.pager1.children.main.children.song[i].values.text = text
end
but that gives me an error.
:-) I do need help.
Finn
Since you haven't provided the actual error, it's difficult to say what the problem is, but if I have to venture a guess, then try replacing ...children.song[i].values... with ...children["song"..i].values.... Since there is no table song, you just need to generate dynamic field names.
This is related to this post, but different in that I am trying to understand why I cannot set an outside variable from inside of geolocation.getCurrentPosition
I can't seem to get any kind of return value from it, and I can't set a value from it. I can only access the position object from inside of it. I have tried passing in this.
I forked derek-朕會功夫's fiddle and modified it:
https://jsfiddle.net/TwoFistedJustice/c3qr29L7/1/
Here is another fiddle based on this post:
https://jsfiddle.net/TwoFistedJustice/yu8Lzjvx/4/
I'm very perplexed.
Could someone please help me to:
Understand what is going on behind the scenes to make it behave it
this way.
Understand how to set a variable in an outer scope from inside
getCurrentPosition().
I've been reading up on the call stack and callback queue. And I gather that the behavior that has been perplexing me has to do with how Javascript handles the various stacks and queues. This piece by Jake Archibald helps to clear it up, though it is bit much to absorb all at once.
If I add a setTimeout with any delay value, even 0, foo is USUALLY changed. With near-zero values, it varies a bit.
setTimeout(function(){
console.log('SetTimeout\n - Foo only changes if this goes AFTER the Promise\n foo:', foo)}
, 0);
This is a fiddle derived from the others that more clearly shows what is going on. https://jsfiddle.net/TwoFistedJustice/arkqb0x8/71/
I'm trying to use YouTube Data API to get a list of comments for a video.
The problem is that the field authorProfileImageUrl in the response contains a URL to a tiny thumbnail (28x28 pixels) of the profile image instead of the bigger one (48x48) that can be seen in YouTube's comment section. How can I retrieve the bigger one? Am I missing some magic parameter in the request that selects the size of the profile images in comments?
Here's my request URL:
https://www.googleapis.com/youtube/v3/commentThreads?videoId=VIDEO_ID&part=snippet&fields=pageInfo,items(snippet(topLevelComment(id,snippet(authorDisplayName,authorChannelUrl,authorProfileImageUrl,authorChannelId,textDisplay,likeCount,publishedAt)),totalReplyCount))&maxResults=3&key=API_KEY
Edit:
Here's an example profile pic URL i get:
https://yt3.ggpht.com/-b-fXZSZ0hPw/AAAAAAAAAAI/AAAAAAAAAAA/mq4JpF46xq4/s28-c-k-no-mo-rj-c0xffffff/photo.jpg
^^
I noticed that the marked part seems to select the size, because when I change the 28 to 48, the size of the profile pic changes too.
I could change it "manually" with some fancy regexp, and it will work, but it will also rely on implementation details that are undocumented and that may change in future and render the application broken :P So it really would be better if there was a documented API way to do that.
Seems like nobody knows how to solve this, ho here's my temporary solution.
It works, but it depends on an implementation detail that can change in the future and then the solution will break apart and will have to be corrected :q
I accept my own answer for now, but when someone posts a better one, I'll accept it instead.
The solution:
I made a simple function that searches for the image size in the URL string and replaces it with a bigger size.
function small2big(url)
{
return url.replace(/(\/.*s)28(.*\/photo.jpg)$/,"$1"+"48"+"$2");
}
Oh, and here's my middle finger for you, Google: ,,|,,
It seems that actually removing everything right at the 's28' will display the entire image without specifying a size.
For example, instead of this:
https://yt3.ggpht.com/-b-fXZSZ0hPw/AAAAAAAAAAI/AAAAAAAAAAA/mq4JpF46xq4/s28-c-k-no-mo-rj-c0xffffff/photo.jpg
You can use this: https://yt3.ggpht.com/-b-fXZSZ0hPw/AAAAAAAAAAI/AAAAAAAAAAA/mq4JpF46xq4/
And it will return the full size image.
In my case, using php I simply:
function bigAvatar($url) {
$url = substr($url, 0, strpos($url, 's28'));
return $url;
}
Again, if google decides to change this in the future, this would break. But for now, it works.
When I am copy-pasting method name from Blackfire profile, I am getting a reversed string like this:
sgnitsiLredivorPdaol::yrotisopeRresopmoC\yrotisopeR\resopmoC
What is intended way to copy a proper method name (not reversed)?
Why does Blackfire has such behaviour? Is this some kind of stupid joke or copy-paste protection?
This is indeed a UX issue we currently have in Blackfire, let me explain it to you:
We want to display the end of the namespace/classname value in this part of the interface
We want to have a text-overflow ellipsis on the left part of the value.
Unfortunately, using text-overflow: ellipsis on the left of the text is not supported by modern browsers at the moment.
There are two ways to do that: Either know the width of the text, work with a fixed width column and truncate programmatically or use a hack, revert the letters, change the text direction from left-to-right to right-to-left locally and use traditional text-overflow.
As we deal with a resizable UI here, we chose the second option, and this is the one that provide the better experience at the moment. However, as you notice, this issue remains.
We're thinking about a fix for this issue. It might be with the Clipboard API.
In the meantime, here's the way you can copy/paste the value :
Just expand a node and copy from the inner box, see:
Hope it helps you until we find a better solution.
The auto_complete_for dealio from script.aculo.us is great an all, but is there a way for me to selectively disable the fact that it always auto-selects the first item in the list?
The problem is that, if I want to type my own entry that is new, and novel, I don't want the first item in the list to be auto-selected. The reason is because when I TAB out of the field, it selects, and fills the text box with that first item.
I got around that, somewhat, by making the first item in the list the same as what I'm typing, but that's not perfect either, because the auto_complete list doesn't always update with every keystroke, depending on how fast I type. I've tried setting the list refresh rate to the lowest value (1 millisecond) but no go.
What I really want is an option in "auto_complete_for" that doesn't select that first item at all - the same way that Google Instant doesn't automatically select the first suggested search phrase - you have to arrow-down to select one.
Maybe I can do this via an HTML option that I'm missing?
Looking at the source, there doesn't appear to be an option for that, but I bet if you changed line 284 of controls.js to this.index = -1; it would do what you want.
Otherwise, it might be time to look for a different autocomplete widget.
If your requirements are too far away from the available plugin, then I guess there is no point in tinkering around. Its best to write your own JS code.
You might want to consider this: https://github.com/laktek/jQuery-Smart-Auto-Complete
or this : https://github.com/reinh/jquery-autocomplete
I'll add another alternative that works great with Rails 3:
http://github.com/crowdint/rails3-jquery-autocomplete
I recently implemented auto complete for more than a field for Rails 2.0.2.
The plugin I used is:- https://github.com/david-kerins/auto_complete . Not sure if it supports Rails 3.
I have also encountered issues on implementing the above scenario and have posted questions( Implementing auto complete for more than one field in Rails ; Implementing a OnClick kind of functionality and formatting wrt Rails Partial-Views ) on stackoverflow for the same, I have been lucky on getting things working for me based on my requirement.
Kindly refer to these questions, they might have relevance to your requirement.