selected and the first or last item is either the top or the bottom item of the list the same rules apply. 3.14.2 Stimulus/Response Sequences Data Flow 3.14.2.2 Basic Data Flow 1. User is at the Edit Screen and there is a list of equations in the Equation List Pane 2. User selects an equation 3. User selects either Equation Move Up/Down or the Move equation up/down button 4. The equation is moved one place up or down in the list according to the selection 3.14.3.2 Alternative Data Flows 3.14.3.2.1 Alternative Data Flow 1 2. User selects a number of equations 4. The equations are all on place up or down in the list according to the selection 5. Only the item of the selected list that was moved remains selected 3.14.3.2.2 Alternative Data Flow 2 2a. User selects an equation and it is the first of the list 2b. The Move up function becomes unavailable 3.14.3.2.3 Alternative Data Flow 3 2a.User selects an equation and it is the last of the list 2b. The Move down function becomes unavailable 3.14.3.2.4 Alternative Data Flow 4 2a. User selects an equation list and its first item is the first of the Equation List Pane 2b. The Move up function becomes unavailable 3.14.3.2.5 Alternative Data Flow 5 2. User selects an equation list and its last item is the last item of the Equation List Pane 3. User selects to move the selected equations down 4. All the selected items are moved one place down except the last equation 3.14.3 Functional Requirements REQ-11: If there is one element in the Equation List Pane this feature is unavailable. REQ-12: If the selected item is the first/last item of the Equation List Pane the Move up/Move down function become unavailable accordingly.
selected and the first or last item is either the top or the bottom item of the list the same rules apply. 3.14.2 Stimulus/Response Sequences Data Flow 3.14.2.2 Basic Data Flow 1. User is at the Edit Screen and there is a list of equations in the Equation List Pane 2. User selects an equation 3. User selects either Equation Move Up/Down or the Move equation up/down button 4. The equation is moved one place up or down in the list according to the selection 3.14.3.2 Alternative Data Flows 3.14.3.2.1 Alternative Data Flow 1 2. User selects a number of equations 4. The equations are all on place up or down in the list according to the selection 5. Only the item of the selected list that was moved remains selected 3.14.3.2.2 Alternative Data Flow 2 2a. User selects an equation and it is the first of the list 2b. The Move up function becomes unavailable 3.14.3.2.3 Alternative Data Flow 3 2a.User selects an equation and it is the last of the list 2b. The Move down function becomes unavailable 3.14.3.2.4 Alternative Data Flow 4 2a. User selects an equation list and its first item is the first of the Equation List Pane 2b. The Move up function becomes unavailable 3.14.3.2.5 Alternative Data Flow 5 2. User selects an equation list and its last item is the last item of the Equation List Pane 3. User selects to move the selected equations down 4. All the selected items are moved one place down except the last equation 3.14.3 Functional Requirements REQ-11: If there is one element in the Equation List Pane this feature is unavailable. REQ-12: If the selected item is the first/last item of the Equation List Pane the Move up/Move down function become unavailable accordingly.