Oscar Ramirez

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Top Stories by Oscar Ramirez

The application I currently maintain has a generic sorting and filtering window that allows users to reduce the number and order of the rows they view on any of their browsers. The design took into consideration that our users don't want to learn PowerBuilder syntax to build a sort or filter expression. They formulate their expressions using a simple user interface (see Figure 1). Once they're done, the information is interpreted, formatted into valid sort and filter expressions, and applied to the browser DataWindow. The sort and filter window initially displays the columns in the browser DataWindow, but any sort and filter expressions currently set are not interpreted. This design was satisfactory at first because the understanding was that the sort and filter expressions would be simple. As users became familiar with the user interface, they started to build more ... (more)

From the Trenches: Users Like to Sort and Filter... Part 2

In Part 1 (PBDJ, Vol. 10, issue 6), I introduced a generic sorting and filtering window, w_sortfilter, that allows users to filter and sort any of their browsers. This window initially displays the columns in the browser DataWindow, but any sort and filter expressions currently set are not interpreted. This design was satisfactory at first because the understanding was that the sort and filter expressions would be very simple. As users became familiar with the user interface, they started to build more complicated expressions, and they weren't happy when they had to modify exis... (more)

From the Trenches: Users Like to Sort and Filter... Part 1

The application I currently maintain has a generic sorting and filtering window that allows users to reduce the number and order of the rows they view on any of their browsers. The design took into consideration that our users don't want to learn PowerBuilder syntax to build a sort or filter expression. They formulate their expressions using a simple user interface (see Figure 1). Once they're done, the information is interpreted, formatted into valid sort and filter expressions, and applied to the browser DataWindow. The sort and filter window initially displays the columns in th... (more)

From the Trenches: Users Like to Sort and Filter... Part 2

In Part 1 (PBDJ, Vol. 10, issue 6), I introduced a generic sorting and filtering window, w_sortfilter, that allows users to filter and sort any of their browsers. This window initially displays the columns in the browser DataWindow, but any sort and filter expressions currently set are not interpreted. This design was satisfactory at first because the understanding was that the sort and filter expressions would be very simple. As users became familiar with the user interface, they started to build more complicated expressions, and they weren't happy when they had to modify exis... (more)