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And Again!

By barneyb on January 18, 2008

Another update to FlexChart this evening, providing set and series colors (both fills and strokes), an option for including/excluding the legend when exporting a chart to PNG, and a few new examples showcasing the features (including some really ugly developer art).
With the coloring support, the 'Grouped Series' example makes a lot more visual sense, so [...]

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More FlexCharts Goodness

By barneyb on January 17, 2008

Another batch of changes to FlexChart.
First is grouped series, which is hard to explain, but easy to understand.  Go hit the demo and select "Grouped Series" from the dropdown.  The chart layout has always been possible, but the legend just displayed a flat series list with no awareness of the groupings.  To see the old [...]

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FlexChart Update

By barneyb on January 14, 2008

Long time no blog…  I've updated my FlexChart component slightly, as well as repackaged it for easier consumption.  The new feature is the availability of a 'dataTipFunction' attribute on the root 'chart' element, which will be called to format data tips.  It gets passed an object with various keys about the backing chart item.  Since [...]

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Checkbox Range Selection (a la GMail)

By barneyb on January 8, 2008

If any of you use GMail, you'll know that you can shift click the checkboxes on the conversation list to select a range of conversations (i.e. click the second conversation's checkbox and then shift-click the tenth conversation's checkbox). You can also deselect the same way (click the seventh, and then shift-click the fourth). [...]

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Report/Query DSLs Update

By barneyb on January 7, 2008

I've posted a simple demo app for both DSLs that you can play with. It's included in the distribution as index.cfm, so you'll get it if you pull down the source from SVN. I've also created a readme.txt file in the distribution with the text of my intro blog post.
I also made a [...]

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Report/Query DSLs

By barneyb on January 5, 2008

I use a pair of stacked DSLs (Domain Specific Languages) for searching, reporting, and goal management in a couple applications. A discussion at work (with Joshua and Koen) provided the solution for the final piece I wanted to implement before releasing them. The first layer is for parsing query strings, and the latter [...]

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The Custom Tag Body-Scope

By barneyb on December 7, 2007

I was working with FlexChart a little this evening and ran into an interesting situation with a potentially very useful solution. I don't claim to be the first to think of it, but it's the first time I've used/seen it.
I added a date preparation tag a while back, but I thought it'd be nicer [...]

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New FlexChart Demo

By barneyb on November 29, 2007

I've updated the FlexChart demo to include display of the descriptor XML that is loaded into the chart, as well as providing a way to edit the XML inline and load your modified XML into the chart client-side.  In addition to being far easier to experiment with, it also showcases the the client-side redrawing of [...]

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Clickable FlexCharts

By barneyb on November 26, 2007

I just updated FlexChart with a 'click' callback.  You can now specify the name of a JavaScript function to be invoked when a data point on the chart is clicked.  The function is passed the ID of the chart, the series label, and the x and y values for the point, in that order.  Check [...]

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One More Reason to Love GMail

By barneyb on November 25, 2007

Google released a new version of the GMail UI a couple weeks ago.  Not a whole lot different on the surface, but it's noticeably snappier overall, and has a few little improvements throughout (mute from the actions menu, contact detail popups).
I had two main gripes: it doesn't work with the [unsupported] BetterGMail Firefox plugin and [...]

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