Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Implemented deleteBlock based on block id and assign flow id #133

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Implemented deleteBlock based on block id and assign flow id #133

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
204 changes: 201 additions & 3 deletions engine/flowy.js
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,19 @@
var flowy = function(canvas, grab, release, snapping, rearrange, spacing_x, spacing_y) {

function makeid(length, with_timestamp) {
var result = '';
var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
var charactersLength = characters.length;
for ( var i = 0; i < length; i++ ) {
result += characters.charAt(Math.floor(Math.random() * charactersLength));
}
if(with_timestamp) {
return result+'_'+Date.now();
} else {
return result;
}
}

if (!grab) {
grab = function() {};
}
Expand Down Expand Up @@ -36,6 +51,14 @@ var flowy = function(canvas, grab, release, snapping, rearrange, spacing_x, spac
};
}
var loaded = false;
var with_timestamp=true;
var id_length=6;
var flowy_id = makeid(id_length, with_timestamp);

flowy.get_id = function() {
return flowy_id;
}

flowy.load = function() {
if (!loaded)
loaded = true;
Expand Down Expand Up @@ -64,7 +87,14 @@ var flowy = function(canvas, grab, release, snapping, rearrange, spacing_x, spac
el.classList.add('invisible');
canvas_div.appendChild(el);
flowy.import = function(output) {

canvas_div.innerHTML = output.html;
if(output.flowy_id == undefined) {
flowy_id = makeid(id_length, with_timestamp);
} else {
flowy_id = output.flowy_id;
}

for (var a = 0; a < output.blockarr.length; a++) {
blocks.push({
childwidth: parseFloat(output.blockarr[a].childwidth),
Expand All @@ -86,7 +116,8 @@ var flowy = function(canvas, grab, release, snapping, rearrange, spacing_x, spac
var json_data = {
html: html_ser,
blockarr: blocks,
blocks: []
blocks: [],
'flowy_id': flowy_id
};
if (blocks.length > 0) {
for (var i = 0; i < blocks.length; i++) {
Expand Down Expand Up @@ -114,7 +145,172 @@ var flowy = function(canvas, grab, release, snapping, rearrange, spacing_x, spac
return json_data;
}
}

function moveChildrenToParentPos(id) {
let childern_block_idx = [];
for(let idx=0; idx<blocks.length; idx++) {
if(blocks[idx].parent == id) {
moveChildrenToParentPos(blocks[idx].id);
childern_block_idx.push(idx);
}
}

for(let i=0; i<childern_block_idx.length; i++) {
let child_block = blocks[childern_block_idx[i]];

document.querySelector(".blockid[value='" + child_block.id + "']").parentNode.style.top = document.querySelector(".blockid[value='" + child_block.parent + "']").parentNode.style.top;

if(document.querySelector(".arrowid[value='" + child_block.id + "']")) {
document.querySelector(".arrowid[value='" + child_block.id + "']").parentNode.style.top = document.querySelector(".arrowid[value='" + child_block.parent + "']").parentNode.style.top;
}

}
}

function moveChildrenToParentBlockInfo(id) {
let childern_block_idx = [];
for(let i=0; i<blocks.length; i++) {
if(blocks[i].parent == id) {
moveChildrenToParentBlockInfo(blocks[i].id);
childern_block_idx.push(i);
}
}

let own_block_idx=null;
for(let i=0; i<blocks.length; i++) {
if (blocks[i].id == id) {
own_block_idx = i;
break;
}
}

for(let i=0; i<childern_block_idx.length; i++) {
let child_block = blocks[childern_block_idx[i]];
child_block.y = blocks[own_block_idx].y;
}

}

flowy.deleteBlock = function(id) {

if(id==0) {
flowy.deleteBlocks();
} else {
let parent_block_idx = null;
let own_block_idx = null;
let childern_block_idx = []
for(let idx=0; idx<blocks.length; idx++) {
if(blocks[idx].id == id) {
own_block_idx = idx;
}
}

for(let idx=0; idx<blocks.length; idx++) {
if(blocks[idx].parent == id) {
childern_block_idx.push(idx);
}
}

for(let idx=0; idx<blocks.length; idx++) {
if(blocks[own_block_idx].parent == blocks[idx].id) {
parent_block_idx = idx;
}
}

let remove_block_elem = document.querySelector(".blockid[value='" + id + "']");

moveChildrenToParentPos(id);
moveChildrenToParentBlockInfo(id);

// Set indicator to canvas before performing delete operations
canvas_div.appendChild(document.querySelector(".indicator"));

if (document.querySelector(".arrowid[value='" + id + "']")) {
document.querySelector(".arrowid[value='" + id + "']").parentNode.remove();
}

// remove block
if(remove_block_elem) {
remove_block_elem.parentNode.remove();
}
for(let i=0; i<childern_block_idx.length; i++) {
let child_block = blocks[childern_block_idx[i]];
child_block.parent = blocks[own_block_idx].parent;
}
if(own_block_idx != null) {
blocks.splice(own_block_idx, 1);
}

// If no childred for node to be deleted then set the parent child width as zeros
// Also only call rearrngeMe if we have more than 1 nodes in the flow
if(childern_block_idx.length == 0) {
blocks[parent_block_idx].childwidth=0;
} else {
rearrangeMe();
}


}

}

flowy.deleteBranch = function (id) {
let newParentId;

if (!Number.isInteger(id)) {
id = parseInt(id);
}

for (var i = 0; i < blocks.length; i++) {
if (blocks[i].id === id) {
newParentId = blocks[i].parent;
canvas_div.appendChild(document.querySelector(".indicator"));
removeBlockEls(blocks[i].id);
blocks.splice(i, 1);
modifyChildBlocks(id);
break;
}
}

if (blocks.length > 1) {
rearrangeMe();
}

return Math.max.apply(
Math,
blocks.map((a) => a.id)
);

function modifyChildBlocks(parentId) {
let children = [];
let blocko = blocks.map((a) => a.id);
for (var i = blocko.length - 1; i >= 0; i--) {
let currentBlock = blocks.filter((a) => a.id == blocko[i])[0];
if (currentBlock.parent === parentId) {
children.push(currentBlock.id);
removeBlockEls(currentBlock.id);
blocks.splice(i, 1);
}
}

for (var i = 0; i < children.length; i++) {
modifyChildBlocks(children[i]);
}
}
function removeBlockEls(id) {
document
.querySelector(".blockid[value='" + id + "']")
.parentNode.remove();
if (document.querySelector(".arrowid[value='" + id + "']")) {
document
.querySelector(".arrowid[value='" + id + "']")
.parentNode.remove();
}
}
};

flowy.deleteBlocks = function() {
flowy_id = makeid(id_length, with_timestamp);
blocks = [];
canvas_div.innerHTML = "<div class='indicator invisible'></div>";
}
Expand Down Expand Up @@ -424,8 +620,9 @@ var flowy = function(canvas, grab, release, snapping, rearrange, spacing_x, spac
}

function hasParentClass(element, classname) {

if (element.className) {
if (element.className.split(' ').indexOf(classname) >= 0) return true;
if (typeof(element.className) !== 'object' && element.className.split(' ').indexOf(classname) >= 0) return true;
}
return element.parentNode && hasParentClass(element.parentNode, classname);
}
Expand Down Expand Up @@ -587,6 +784,7 @@ var flowy = function(canvas, grab, release, snapping, rearrange, spacing_x, spac
}
}
}

if (result[z] != -1) {
blocks.filter(a => a.id == result[z])[0].childwidth = totalwidth;
}
Expand Down Expand Up @@ -659,4 +857,4 @@ var flowy = function(canvas, grab, release, snapping, rearrange, spacing_x, spac
}

flowy.load();
}
}