Diceman Active Member Licensed User Dec 11, 2019 #1 I want to display a tree similar to one of the following: TreeTableView https://www.b4x.com/android/forum/threads/treetableview.81611/ TreeView https://www.b4x.com/android/forum/threads/class-treeview-class-tree-and-node.19082/ But I'd really like to loosely replicate one of the above views using Flexible Table https://www.b4x.com/android/forum/threads/class-flexible-table.30649/ I will need to fill the tree from a local Sqlite table or from a jRDC2 server using CSV. I'd like it to work in B4A and B4i. B4J would also be of benefit. My questions are, how difficult would it be to have Flexible Table to: 1) Indent the tree node & icon (both in the 1st column) according to the depth of the node in the tree? The "icon" can be an Awesome or Material symbol to represent the ">". 2) Allow user to click on the ">" tree node icon to expand the branch of the tree? In other words, can additional rows be added from the Sqlite table when the user clicks on the node to expand it? I don't want to rebuild the entire tree just to add 3 or 4 subnodes. (Or can rows be hidden and unhidden when the branch is expanded?) Updating the tree after it has been built will also allow me to build the "tree" using the local Sqlite database and then update it by contacting the jRDC2 server to get CSV data to display the latest data. What do you think? Is this possible? Or am I barking up the wrong tree? (Sorry, couldn't resist) TIA
I want to display a tree similar to one of the following: TreeTableView https://www.b4x.com/android/forum/threads/treetableview.81611/ TreeView https://www.b4x.com/android/forum/threads/class-treeview-class-tree-and-node.19082/ But I'd really like to loosely replicate one of the above views using Flexible Table https://www.b4x.com/android/forum/threads/class-flexible-table.30649/ I will need to fill the tree from a local Sqlite table or from a jRDC2 server using CSV. I'd like it to work in B4A and B4i. B4J would also be of benefit. My questions are, how difficult would it be to have Flexible Table to: 1) Indent the tree node & icon (both in the 1st column) according to the depth of the node in the tree? The "icon" can be an Awesome or Material symbol to represent the ">". 2) Allow user to click on the ">" tree node icon to expand the branch of the tree? In other words, can additional rows be added from the Sqlite table when the user clicks on the node to expand it? I don't want to rebuild the entire tree just to add 3 or 4 subnodes. (Or can rows be hidden and unhidden when the branch is expanded?) Updating the tree after it has been built will also allow me to build the "tree" using the local Sqlite database and then update it by contacting the jRDC2 server to get CSV data to display the latest data. What do you think? Is this possible? Or am I barking up the wrong tree? (Sorry, couldn't resist) TIA
R RB Smissaert Well-Known Member Licensed User Longtime User Dec 11, 2019 #2 It must be possible somehow, but it sounds to me like putting a screw in with a hammer. RBS Upvote 0
klaus Expert Licensed User Longtime User Dec 11, 2019 #3 My questions are, how difficult would it be to have Flexible Table to: Click to expand... Very very complicated. Flexible Table is based on lines with Labels. The lines are loaded dynamically when scrolling. It would need a specific variable type and a specific treatment for the first column. Or am I barking up the wrong tree? Click to expand... Perhaps, even the wrong forest. Last edited: Dec 11, 2019 Upvote 0
My questions are, how difficult would it be to have Flexible Table to: Click to expand... Very very complicated. Flexible Table is based on lines with Labels. The lines are loaded dynamically when scrolling. It would need a specific variable type and a specific treatment for the first column. Or am I barking up the wrong tree? Click to expand... Perhaps, even the wrong forest.
Star-Dust Expert Licensed User Longtime User Dec 11, 2019 #4 See this https://www.b4x.com/android/forum/threads/b4x-xui-sd_treelist.110992/ Upvote 0
Diceman Active Member Licensed User Dec 11, 2019 #5 RB Smissaert said: It must be possible somehow, but it sounds to me like putting a screw in with a hammer. RBS Click to expand... Didn't you know? The hammer is affectionately called an "American Screwdriver". https://www.urbandictionary.com/define.php?term=american screwdriver Upvote 0
RB Smissaert said: It must be possible somehow, but it sounds to me like putting a screw in with a hammer. RBS Click to expand... Didn't you know? The hammer is affectionately called an "American Screwdriver". https://www.urbandictionary.com/define.php?term=american screwdriver
Diceman Active Member Licensed User Dec 11, 2019 #6 Star-Dust said: See this https://www.b4x.com/android/forum/threads/b4x-xui-sd_treelist.110992/ Click to expand... Thanks for the link, but it has too much animation in it for my liking. I need something fast that can handle a lot of data quickly. Upvote 0
Star-Dust said: See this https://www.b4x.com/android/forum/threads/b4x-xui-sd_treelist.110992/ Click to expand... Thanks for the link, but it has too much animation in it for my liking. I need something fast that can handle a lot of data quickly.
Star-Dust Expert Licensed User Longtime User Dec 11, 2019 #7 Who feels affection for a hammer to the point of calling it after screwdriver? Upvote 0
Diceman Active Member Licensed User Dec 11, 2019 #8 klaus said: Very very complicated. Flexible Table is based on lines with Labels. The lines are loaded dynamically when scrolling. It would need a specific variable type and a specific treatment for the first column. Perhaps, even the wrong forest. Click to expand... I'll take a look to see how complicated it is. If it can't be done, then I'll write my own custom view. But before doing that I thought I'd look around to see what was available. Upvote 0
klaus said: Very very complicated. Flexible Table is based on lines with Labels. The lines are loaded dynamically when scrolling. It would need a specific variable type and a specific treatment for the first column. Perhaps, even the wrong forest. Click to expand... I'll take a look to see how complicated it is. If it can't be done, then I'll write my own custom view. But before doing that I thought I'd look around to see what was available.
Diceman Active Member Licensed User Dec 11, 2019 #9 Star-Dust said: Who feels affection for a hammer to the point of calling it after screwdriver? Click to expand... American "carpenters", and I use that term loosely, would use a hammer to drive a screws into the wood at the proper location so it would stand upright, then move the board into position and use their power drill to drive it home. It saves a lot of time and your fingers when driving wood screws. But if my woodshop teacher ever caught me doing that, I'd be given a month's detention, and deservedly so. Upvote 0
Star-Dust said: Who feels affection for a hammer to the point of calling it after screwdriver? Click to expand... American "carpenters", and I use that term loosely, would use a hammer to drive a screws into the wood at the proper location so it would stand upright, then move the board into position and use their power drill to drive it home. It saves a lot of time and your fingers when driving wood screws. But if my woodshop teacher ever caught me doing that, I'd be given a month's detention, and deservedly so.
