/**
* Copyright 2013 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
RED.view = function() {
var space_width = 5000,
space_height = 5000,
lineCurveScale = 0.75,
scaleFactor = 1,
node_width = 100,
node_height = 30;
var activeWorkspace = 0;
var workspaceScrollPositions = {};
var selected_link = null,
mousedown_link = null,
mousedown_node = null,
mousedown_port_type = null,
mousedown_port_index = 0,
mouseup_node = null,
mouse_offset = [0,0],
mouse_position = null,
mouse_mode = 0,
moving_set = [],
dirty = false,
lasso = null,
active_group = null;
pressTimer = null;
var clipboard = "";
var outer = d3.select("#chart")
.append("svg:svg")
.attr("width", space_width)
.attr("height", space_height)
.attr("pointer-events", "all")
.style("cursor","crosshair");
var vis = outer
.append('svg:g')
.on("dblclick.zoom", null)
.append('svg:g')
.on("mousemove", canvasMouseMove)
.on("mousedown", canvasMouseDown)
.on("mouseup", canvasMouseUp)
.on("touchstart",canvasMouseDown)
.on("touchend",canvasMouseUp)
.on("touchmove",canvasMouseMove);
var outer_background = vis.append('svg:rect')
.attr('width', space_width)
.attr('height', space_height)
.attr('fill','#fff');
var drag_line = vis.append("svg:path").attr("class", "drag_line");
var workspace_tabs = RED.tabs.create({
id: "workspace-tabs",
onchange: function(id) {
RED.view.setWorkspace(id);
},
ondblclick: function(id) {
showRenameWorkspaceDialog(id);
},
onadd: function(tab) {
var menuli = $("<li/>");
var menuA = $("<a/>",{tabindex:"-1",href:"#"+tab.id}).appendTo(menuli);
menuA.html(tab.label);
menuA.on("click",function() {
workspace_tabs.activateTab(tab.id);
});
$('#workspace-menu-list').append(menuli);
if (workspace_tabs.count() == 1) {
$('#btn-workspace-delete').parent().addClass("disabled");
} else {
$('#btn-workspace-delete').parent().removeClass("disabled");
}
},
onremove: function(tab) {
if (workspace_tabs.count() == 1) {
$('#btn-workspace-delete').parent().addClass("disabled");
} else {
$('#btn-workspace-delete').parent().removeClass("disabled");
}
}
});
var workspaceIndex = 0;
function addWorkspace() {
var tabId = RED.nodes.id();
do {
workspaceIndex += 1;
} while($("#workspace-tabs a[title='Sheet "+workspaceIndex+"']").size() != 0);
var ws = {type:"tab",id:tabId,label:"Sheet "+workspaceIndex};
RED.nodes.addWorkspace(ws);
workspace_tabs.addTab(ws);
workspace_tabs.activateTab(tabId);
RED.history.push({t:'add',workspaces:[ws],dirty:dirty});
RED.view.dirty(true);
}
$('#btn-workspace-add-tab').on("click",addWorkspace);
$('#btn-workspace-add').on("click",addWorkspace);
$('#btn-workspace-edit').on("click",function() {
showRenameWorkspaceDialog(activeWorkspace);
});
$('#btn-workspace-delete').on("click",function() {
deleteWorkspace(activeWorkspace);
});
function deleteWorkspace(id) {
if (workspace_tabs.count() == 1) {
return;
}
var ws = RED.nodes.workspace(id);
$( "#node-dialog-delete-workspace" ).dialog('option','workspace',ws);
$( "#node-dialog-delete-workspace-name" ).text(ws.label);
$( "#node-dialog-delete-workspace" ).dialog('open');
}
//d3.select(window).on("keydown", keydown);
function canvasMouseDown() {
// if (d3.event.shiftKey) {
// var point = d3.mouse(this),
// node = {x: point[0], y: point[1], w:node_width, h:node_height, type:Math.floor(Math.random()*3)},
// n = nodes.push(node);
// redraw();
// } else
//
if (typeof d3.touches(this)[0] == "object") {
pressTimer = setTimeout(function() { RED.history.pop(); }, 1500);
}
if (!mousedown_node && !mousedown_link) {
selected_link = null;
updateSelection();
//vis.call(d3.behavior.zoom().on("zoom"), rescale);
}
if (mouse_mode == 0) {
if (lasso) {
lasso.remove();
lasso = null;
}
var point = d3.touches(this)[0]||d3.mouse(this);
if (d3.touches(this).length === 0) {
lasso = vis.append('rect')
.attr("ox",point[0])
.attr("oy",point[1])
.attr("rx",2)
.attr("ry",2)
.attr("x",point[0])
.attr("y",point[1])
.attr("width",0)
.attr("height",0)
.attr("class","lasso");
d3.event.preventDefault();
}
}
}
function canvasMouseMove() {
clearTimeout(pressTimer);
mouse_position = d3.touches(this)[0]||d3.mouse(this);
// TODO: auto scroll the container
//var point = d3.mouse(this);
//if (point[0]-container.scrollLeft < 30 && container.scrollLeft > 0) { container.scrollLeft -= 15; }
//console.log(d3.mouse(this),container.offsetWidth,container.offsetHeight,container.scrollLeft,container.scrollTop);
if (lasso) {
var ox = parseInt(lasso.attr("ox"));
var oy = parseInt(lasso.attr("oy"));
var x = parseInt(lasso.attr("x"));
var y = parseInt(lasso.attr("y"));
if (mouse_position[0] < ox) {
x = mouse_position[0];
w = ox-x;
} else {
w = mouse_position[0]-x;
}
if (mouse_position[1] < oy) {
y = mouse_position[1];
h = oy-y;
} else {
h = mouse_position[1]-y;
}
lasso
.attr("x",x)
.attr("y",y)
.attr("width",w)
.attr("height",h)
;
return;
}
if (mouse_mode != RED.state.IMPORT_DRAGGING && !mousedown_node && selected_link == null) return;
if (mouse_mode == RED.state.JOINING) {
// update drag line
drag_line.attr("class", "drag_line");
var mousePos = mouse_position;
var numOutputs = (mousedown_port_type == 0)?(mousedown_node.outputs || 1):1;
var sourcePort = mousedown_port_index;
var y = -((numOutputs-1)/2)*13 +13*sourcePort;
var sc = (mousedown_port_type == 0)?1:-1;
var dy = mousePos[1]-(mousedown_node.y+y);
var dx = mousePos[0]-(mousedown_node.x+sc*mousedown_node.w/2);
var delta = Math.sqrt(dy*dy+dx*dx);
var scale = lineCurveScale;
var scaleY = 0;
if (delta < node_width) {
scale = 0.75-0.75*((node_width-delta)/node_width);
}
if (dx*sc < 0) {
scale += 2*(Math.min(5*node_width,Math.abs(dx))/(5*node_width));
if (Math.abs(dy) < 3*node_height) {
scaleY = ((dy>0)?0.5:-0.5)*(((3*node_height)-Math.abs(dy))/(3*node_height))*(Math.min(node_width,Math.abs(dx))/(node_width)) ;
}
}
drag_line.attr("d",
"M "+(mousedown_node.x+sc*mousedown_node.w/2)+" "+(mousedown_node.y+y)+
" C "+(mousedown_node.x+sc*(mousedown_node.w/2+node_width*scale))+" "+(mousedown_node.y+y+scaleY*node_height)+" "+
(mousePos[0]-sc*(scale)*node_width)+" "+(mousePos[1]-scaleY*node_height)+" "+
mousePos[0]+" "+mousePos[1]
);
} else if (mouse_mode == RED.state.MOVING) {
var m = mouse_position;
var d = (mouse_offset[0]-m[0])*(mouse_offset[0]-m[0]) + (mouse_offset[1]-m[1])*(mouse_offset[1]-m[1]);
if (d > 2) {
mouse_mode = RED.state.MOVING_ACTIVE;
clearTimeout(pressTimer);
}
} else if (mouse_mode == RED.state.MOVING_ACTIVE || mouse_mode == RED.state.IMPORT_DRAGGING) {
var mousePos = mouse_position;
if (d3.event.shiftKey && moving_set.length > 1) {
mousePos[0] = 20*Math.floor(mousePos[0]/20);
mousePos[1] = 20*Math.floor(mousePos[1]/20);
}
for (var n in moving_set) {
var node = moving_set[n];
node.n.x = mousePos[0]+node.dx;
node.n.y = mousePos[1]+node.dy;
if (d3.event.shiftKey && moving_set.length == 1) {
node.n.x = 20*Math.floor(node.n.x/20);
node.n.y = 20*Math.floor(node.n.y/20);
}
node.n.dirty = true;
}
}
redraw();
}
function canvasMouseUp() {
clearTimeout(pressTimer);
if (mousedown_node && mouse_mode == RED.state.JOINING) {
drag_line.attr("class", "drag_line_hidden");
}
if (lasso) {
var x = parseInt(lasso.attr("x"));
var y = parseInt(lasso.attr("y"));
var x2 = x+parseInt(lasso.attr("width"));
var y2 = y+parseInt(lasso.attr("height"));
if (!d3.event.ctrlKey) {
clearSelection();
}
RED.nodes.eachNode(function(n) {
if (n.z == activeWorkspace && !n.selected) {
n.selected = (n.x > x && n.x < x2 && n.y > y && n.y < y2);
if (n.selected) {
n.dirty = true;
moving_set.push({n:n});
}
}
});
updateSelection();
lasso.remove();
lasso = null;
}
if (mouse_mode == RED.state.MOVING_ACTIVE) {
if (moving_set.length > 0) {
var ns = [];
for (var i in moving_set) {
ns.push({n:moving_set[i].n,ox:moving_set[i].ox,oy:moving_set[i].oy});
}
RED.history.push({t:'move',nodes:ns,dirty:dirty});
}
}
if (mouse_mode == RED.state.IMPORT_DRAGGING) {
RED.keyboard.remove(/* ESCAPE */ 27);
var mousePos = d3.touches(this)[0]||d3.mouse(this);
if (d3.event.shiftKey && moving_set.length > 1) {
mousePos[0] = 20*Math.floor(mousePos[0]/20);
mousePos[1] = 20*Math.floor(mousePos[1]/20);
}
for (var n in moving_set) {
var node = moving_set[n];
node.n.x = mousePos[0]+node.dx;
node.n.y = mousePos[1]+node.dy;
if (d3.event.shiftKey && moving_set.length == 1) {
node.n.x = 20*Math.floor(node.n.x/20);
node.n.y = 20*Math.floor(node.n.y/20);
}
node.n.dirty = true;
}
}
redraw();
// clear mouse event vars
resetMouseVars();
}
$('#btn-zoom-out').click(function() {zoomOut();});
$('#btn-zoom-zero').click(function() {zoomZero();});
$('#btn-zoom-in').click(function() {zoomIn();});
$("#chart").on('DOMMouseScroll mousewheel', function (evt) {
if ( evt.altKey ) {
evt.preventDefault();
evt.stopPropagation();
var move = evt.originalEvent.detail || evt.originalEvent.wheelDelta;
if (move <= 0) { zoomIn(); }
else { zoomOut(); }
}
});
$("#chart").droppable({
accept:".palette_node",
drop: function( event, ui ) {
d3.event = event;
var selected_tool = ui.draggable[0].type;
var mousePos = d3.touches(this)[0]||d3.mouse(this);
mousePos[1] += this.scrollTop;
mousePos[0] += this.scrollLeft;
mousePos[1] /= scaleFactor;
mousePos[0] /= scaleFactor;
var nn = { id:(1+Math.random()*4294967295).toString(16),x: mousePos[0],y:mousePos[1],w:node_width,z:activeWorkspace};
nn.type = selected_tool;
nn._def = RED.nodes.getType(nn.type);
nn.outputs = nn._def.outputs;
nn.changed = true;
nn.h = Math.max(node_height,(nn.outputs||0) * 15);
for (var d in nn._def.defaults) {
nn[d] = nn._def.defaults[d].value;
}
RED.history.push({t:'add',nodes:[nn.id],dirty:dirty});
RED.nodes.add(nn);
RED.editor.validateNode(nn);
setDirty(true);
// auto select dropped node - so info shows (if visible)
clearSelection();
nn.selected = true;
moving_set.push({n:nn});
updateSelection();
redraw();
if (nn._def.autoedit) {
RED.editor.edit(nn);
}
}
});
function zoomIn() {
if (scaleFactor < 2) {
scaleFactor += 0.1;
redraw();
}
}
function zoomOut() {
if (scaleFactor > 0.3) {
scaleFactor -= 0.1;
redraw();
}
}
function zoomZero() {
scaleFactor = 1;
redraw();
}
function selectAll() {
RED.nodes.eachNode(function(n) {
if (n.z == activeWorkspace) {
if (!n.selected) {
n.selected = true;
n.dirty = true;
moving_set.push({n:n});
}
}
});
selected_link = null;
updateSelection();
redraw();
}
function clearSelection() {
for (var i in moving_set) {
var n = moving_set[i];
n.n.dirty = true;
n.n.selected = false;
}
moving_set = [];
selected_link = null;
}
function updateSelection() {
if (moving_set.length == 0) {
$("#li-menu-export").addClass("disabled");
$("#li-menu-export-clipboard").addClass("disabled");
$("#li-menu-export-library").addClass("disabled");
} else {
$("#li-menu-export").removeClass("disabled");
$("#li-menu-export-clipboard").removeClass("disabled");
$("#li-menu-export-library").removeClass("disabled");
}
if (moving_set.length == 0 && selected_link == null) {
RED.keyboard.remove(/* backspace */ 8);
RED.keyboard.remove(/* delete */ 46);
RED.keyboard.remove(/* c */ 67);
} else {
RED.keyboard.add(/* backspace */ 8,function(){deleteSelection();d3.event.preventDefault();});
RED.keyboard.add(/* delete */ 46,function(){deleteSelection();d3.event.preventDefault();});
RED.keyboard.add(/* c */ 67,{ctrl:true},function(){copySelection();d3.event.preventDefault();});
}
if (moving_set.length == 1) {
buildInfo(moving_set[0].n);
} else {
$("#tab-info").html("");
}
}
function deleteSelection() {
var removedNodes = [];
var removedLinks = [];
var startDirty = dirty;
if (moving_set.length > 0) {
for (var i in moving_set) {
var node = moving_set[i].n;
node.selected = false;
if (node.x < 0) {node.x = 25};
var rmlinks = RED.nodes.remove(node.id);
removedNodes.push(node);
removedLinks = removedLinks.concat(rmlinks);
}
moving_set = [];
setDirty(true);
}
if (selected_link) {
RED.nodes.removeLink(selected_link);
removedLinks.push(selected_link);
setDirty(true);
}
RED.history.push({t:'delete',nodes:removedNodes,links:removedLinks,dirty:startDirty});
selected_link = null;
updateSelection();
redraw();
}
function copySelection() {
if (moving_set.length > 0) {
var nns = [];
for (var n in moving_set) {
var node = moving_set[n].n;
nns.push(RED.nodes.convertNode(node));
}
clipboard = JSON.stringify(nns);
RED.notify(moving_set.length+" node"+(moving_set.length>1?"s":"")+" copied");
}
}
function buildInfo(node) {
var table = '<table class="node-info"><tbody>';
table += "<tr><td>Type</td><td> "+node.type+"</td></tr>";
table += "<tr><td>ID</td><td> "+node.id+"</td></tr>";
table += '<tr class="blank"><td colspan="2"> Properties</td></tr>';
for (var n in node._def.defaults) {
if ((n != "func")&&(n != "template")) {
var safe = (node[n]||"").toString().replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">");
table += "<tr><td> "+n+"</td><td>"+safe+"</td></tr>";
}
if ((n == "func")||(n == "template")) {
table += "<tr><td> "+n+"</td><td>(...)</td></tr>";
}
}
table += "</tbody></table><br/>";
table += '<div class="node-help">'+($("script[data-help-name|='"+node.type+"']").html()||"")+"</div>";
$("#tab-info").html(table);
}
function calculateTextWidth(str) {
var sp = document.createElement("span");
sp.className = "node_label";
sp.style.position = "absolute";
sp.style.top = "-1000px";
sp.innerHTML = (str||"").replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">");
document.body.appendChild(sp);
var w = sp.offsetWidth;
document.body.removeChild(sp);
return 35+w;
}
function resetMouseVars() {
mousedown_node = null;
mouseup_node = null;
mousedown_link = null;
mouse_mode = 0;
mousedown_port_type = 0;
}
function portMouseDown(d,portType,portIndex) {
// disable zoom
vis.call(d3.behavior.zoom().on("zoom"), null);
mousedown_node = d;
selected_link = null;
mouse_mode = RED.state.JOINING;
mousedown_port_type = portType;
mousedown_port_index = portIndex || 0;
document.body.style.cursor = "crosshair";
};
function portMouseUp(d,portType,portIndex) {
document.body.style.cursor = "";
if (mouse_mode == RED.state.JOINING && mousedown_node) {
mouseup_node = d;
if (portType == mousedown_port_type || mouseup_node === mousedown_node) {
drag_line.attr("class", "drag_line_hidden");
resetMouseVars(); return;
}
var src,dst,src_port;
if (mousedown_port_type == 0) {
src = mousedown_node;
src_port = mousedown_port_index;
dst = mouseup_node;
} else if (mousedown_port_type == 1) {
src = mouseup_node;
dst = mousedown_node;
src_port = portIndex;
}
var existingLink = false;
RED.nodes.eachLink(function(d) {
existingLink = existingLink || (d.source === src && d.target === dst && d.sourcePort == src_port);
});
if (!existingLink) {
var link = {source: src, sourcePort:src_port, target: dst};
RED.nodes.addLink(link);
RED.history.push({t:'add',links:[link],dirty:dirty});
setDirty(true);
}
selected_link = null;
redraw();
}
}
function nodeMouseUp(d) {
portMouseUp(d, d._def.inputs > 0 ? 1 : 0, 0);
}
function nodeMouseDown(d) {
if (typeof d3.touches(this)[0] == "object") {
pressTimer = setTimeout(function() { RED.editor.edit(d); }, 1500);
}
if (mouse_mode == RED.state.IMPORT_DRAGGING) {
RED.keyboard.remove(/* ESCAPE */ 27);
updateSelection();
setDirty(true);
redraw();
resetMouseVars();
d3.event.stopPropagation();
return;
}
mousedown_node = d;
if (d.selected && d3.event.ctrlKey) {
d.selected = false;
for (var i=0;i<moving_set.length;i+=1) {
if (moving_set[i].n === d) {
moving_set.splice(i,1);
break;
}
}
} else {
if (d3.event.shiftKey) {
clearSelection();
var cnodes = RED.nodes.getAllFlowNodes(mousedown_node);
for (var i in cnodes) {
cnodes[i].selected = true;
cnodes[i].dirty = true;
moving_set.push({n:cnodes[i]});
}
} else if (!d.selected) {
if (!d3.event.ctrlKey) {
clearSelection();
}
mousedown_node.selected = true;
moving_set.push({n:mousedown_node});
}
selected_link = null;
if (d3.event.button != 2) {
mouse_mode = RED.state.MOVING;
var mouse = d3.touches(this)[0]||d3.mouse(this);
mouse[0] += d.x-d.w/2;
mouse[1] += d.y-d.h/2;
for (var i in moving_set) {
moving_set[i].ox = moving_set[i].n.x;
moving_set[i].oy = moving_set[i].n.y;
moving_set[i].dx = moving_set[i].n.x-mouse[0];
moving_set[i].dy = moving_set[i].n.y-mouse[1];
}
mouse_offset = d3.mouse(document.body);
if (isNaN(mouse_offset[0])) {
mouse_offset = d3.touches(document.body)[0];
}
}
}
d.dirty = true;
updateSelection();
redraw();
d3.event.stopPropagation();
}
function nodeButtonClicked(d) {
if (d._def.button.toggle) {
d[d._def.button.toggle] = !d[d._def.button.toggle];
d.dirty = true;
}
if (d._def.button.onclick) {
d._def.button.onclick.call(d);
}
if (d.dirty) {
redraw();
}
d3.event.preventDefault();
}
function redraw() {
vis.attr("transform","scale("+scaleFactor+")");
outer.attr("width", space_width*scaleFactor).attr("height", space_height*scaleFactor);
outer_background.attr('fill', function() {
return active_group == null?'#fff':'#eee';
});
if (mouse_mode != RED.state.JOINING) {
// Don't bother redrawing nodes if we're drawing links
var node = vis.selectAll(".nodegroup").data(RED.nodes.nodes.filter(function(d) { return d.z == activeWorkspace }),function(d){return d.id});
node.exit().remove();
var nodeEnter = node.enter().insert("svg:g").attr("class", "node nodegroup");
nodeEnter.each(function(d,i) {
var node = d3.select(this);
var l = d._def.label;
l = (typeof l === "function" ? l.call(d) : l)||"";
d.w = Math.max(node_width,calculateTextWidth(l)+(d._def.inputs>0?7:0) );
d.h = Math.max(node_height,(d.outputs||0) * 15);
if (d._def.badge) {
var badge = node.append("svg:g").attr("class","node_badge_group");
var badgeRect = badge.append("rect").attr("class","node_badge").attr("rx",5).attr("ry",5).attr("width",40).attr("height",15);
badge.append("svg:text").attr("class","node_badge_label").attr("x",35).attr("y",11).attr('text-anchor','end').text(d._def.badge());
if (d._def.onbadgeclick) {
badgeRect.attr("cursor","pointer")
.on("click",function(d) { d._def.onbadgeclick.call(d);d3.event.preventDefault();});
}
}
if (d._def.button) {
var nodeButtonGroup = node.append('svg:g')
.attr("transform",function(d) { return "translate("+((d._def.align == "right") ? 94 : -25)+",2)"; })
.attr("class",function(d) { return "node_button "+((d._def.align == "right") ? "node_right_button" : "node_left_button"); });
nodeButtonGroup.append('rect')
.attr("rx",8)
.attr("ry",8)
.attr("width",32)
.attr("height",node_height-4)
.attr("fill","#eee");//function(d) { return d._def.color;})
nodeButtonGroup.append('rect')
.attr("x",function(d) { return d._def.align == "right"? 10:5})
.attr("y",4)
.attr("rx",5)
.attr("ry",5)
.attr("width",16)
.attr("height",node_height-12)
.attr("fill",function(d) { return d._def.color;})
.attr("cursor","pointer")
.on("mousedown",function(d) {if (!lasso) { d3.select(this).attr("fill-opacity",0.2);d3.event.preventDefault(); d3.event.stopPropagation();}})
.on("mouseup",function(d) {if (!lasso) { d3.select(this).attr("fill-opacity",0.4);d3.event.preventDefault();d3.event.stopPropagation();}})
.on("mouseover",function(d) {if (!lasso) { d3.select(this).attr("fill-opacity",0.4);}})
.on("mouseout",function(d) {if (!lasso) {
var op = 1;
if (d._def.button.toggle) {
op = d[d._def.button.toggle]?1:0.2;
}
d3.select(this).attr("fill-opacity",op);
}})
.on("click",nodeButtonClicked)
.on("touchstart",nodeButtonClicked)
}
var mainRect = node.append("rect")
.attr("class", "node")
.classed("node_unknown",function(d) { return d.type == "unknown"; })
.attr("rx", 6)
.attr("ry", 6)
.attr("fill",function(d) { return d._def.color;})
.on("mousedown",nodeMouseDown)
.on("touchstart",nodeMouseDown)
.on("dblclick",function(d) {RED.editor.edit(d);})
.on("mouseover",function(d) {
if (mouse_mode == 0) {
var node = d3.select(this);
node.classed("node_hovered",true);
}
})
.on("mouseout",function(d) {
var node = d3.select(this);
node.classed("node_hovered",false);
});
//node.append("rect").attr("class", "node-gradient-top").attr("rx", 6).attr("ry", 6).attr("height",30).attr("stroke","none").attr("fill","url(#gradient-top)").style("pointer-events","none");
//node.append("rect").attr("class", "node-gradient-bottom").attr("rx", 6).attr("ry", 6).attr("height",30).attr("stroke","none").attr("fill","url(#gradient-bottom)").style("pointer-events","none");
mainRect.on("mouseup",nodeMouseUp);
mainRect.on("touchend",function(){ clearTimeout(pressTimer); nodeMouseUp; });
//mainRect.on("touchend",nodeMouseUp);
if (d._def.icon) {
var icon = node.append("image")
.attr("xlink:href","icons/"+d._def.icon)
.attr("class","node_icon")
.attr("x",0).attr("y",function(d){return (d.h-Math.min(50,d.h))/2;})
.attr("width","15")
.attr("height", function(d){return Math.min(50,d.h);});
if (d._def.align) {
icon.attr('class','node_icon node_icon_'+d._def.align);
}
if (d._def.inputs > 0) {
icon.attr("x",8);
}
icon.style("pointer-events","none");
}
var text = node.append('svg:text').attr('class','node_label').attr('x', 23).attr('dy', '.35em').attr('text-anchor','start');
if (d._def.align) {
text.attr('class','node_label node_label_'+d._def.align);
text.attr('text-anchor','end');
}
if (d._def.inputs > 0) {
text.attr("x",30);
node.append("rect").attr("class","port port_input").attr("rx",3).attr("ry",3).attr("x",-5).attr("width",10).attr("height",10)
.on("mousedown",function(d){portMouseDown(d,1,0);})
.on("touchstart",function(d){portMouseDown(d,1,0);})
.on("mouseup",function(d){portMouseUp(d,1,0);} )
.on("touchend",function(d){portMouseUp(d,1,0);} )
.on("mouseover",function(d) { var port = d3.select(this); port.classed("port_hovered",(mouse_mode!=RED.state.JOINING || mousedown_port_type != 1 ));})
.on("mouseout",function(d) { var port = d3.select(this); port.classed("port_hovered",false);})
}
//node.append("path").attr("class","node_error").attr("d","M 3,-3 l 10,0 l -5,-8 z");
node.append("image").attr("class","node_error hidden").attr("xlink:href","icons/node-error.png").attr("x",0).attr("y",-6).attr("width",10).attr("height",9);
node.append("image").attr("class","node_changed hidden").attr("xlink:href","icons/node-changed.png").attr("x",12).attr("y",-6).attr("width",10).attr("height",10);
});
node.each(function(d,i) {
if (d.dirty) {
//if (d.x < -50) deleteSelection(); // Delete nodes if dragged back to palette
if (d.resize) {
var l = d._def.label;
l = (typeof l === "function" ? l.call(d) : l)||"";
d.w = Math.max(node_width,calculateTextWidth(l)+(d._def.inputs>0?7:0) );
d.h = Math.max(node_height,(d.outputs||0) * 15);
}
var thisNode = d3.select(this);
thisNode.attr("transform", function(d) { return "translate(" + (d.x-d.w/2) + "," + (d.y-d.h/2) + ")"; });
thisNode.selectAll(".node")
.attr("width",function(d){return d.w})
.attr("height",function(d){return d.h})
.classed("node_selected",function(d) { return d.selected; })
.classed("node_highlighted",function(d) { return d.highlighted; })
;
//thisNode.selectAll(".node-gradient-top").attr("width",function(d){return d.w});
//thisNode.selectAll(".node-gradient-bottom").attr("width",function(d){return d.w}).attr("y",function(d){return d.h-30});
thisNode.selectAll(".node_label_right").attr('x', function(d){return d.w-23-(d.outputs>0?5:0);});
thisNode.selectAll(".node_icon_right").attr("x",function(d){return d.w-16-(d.outputs>0?5:0);});
var numOutputs = d.outputs;
var y = (d.h/2)-((numOutputs-1)/2)*13;
d.ports = d.ports || d3.range(numOutputs);
d._ports = thisNode.selectAll(".port_output").data(d.ports);
d._ports.enter().append("rect").attr("class","port port_output").attr("rx",3).attr("ry",3).attr("width",10).attr("height",10)
.on("mousedown",function(){var node = d; return function(d,i){portMouseDown(node,0,i);}}() )
.on("touchstart",function(){var node = d; return function(d,i){portMouseDown(node,0,i);}}() )
.on("mouseup",function(){var node = d; return function(d,i){portMouseUp(node,0,i);}}() )
.on("touchend",function(){var node = d; return function(d,i){portMouseUp(node,0,i);}}() )
.on("mouseover",function(d,i) { var port = d3.select(this); port.classed("port_hovered",(mouse_mode!=RED.state.JOINING || mousedown_port_type != 0 ));})
.on("mouseout",function(d,i) { var port = d3.select(this); port.classed("port_hovered",false);});
d._ports.exit().remove();
if (d._ports) {
var numOutputs = d.outputs || 1;
var y = (d.h/2)-((numOutputs-1)/2)*13;
var x = d.w - 5;
d._ports.each(function(d,i) {
var port = d3.select(this);
port.attr("y",(y+13*i)-5).attr("x",x);
});
}
thisNode.selectAll('text.node_label').text(function(d,i){
if (d._def.label) {
if (typeof d._def.label == "function") {
return d._def.label.call(d);
} else {
return d._def.label;
}
}
return "";
})
.attr('y', function(d){return (d.h/2)-1;})
.attr('class',function(d){
return 'node_label'+
(d._def.align?' node_label_'+d._def.align:'')+
(d._def.label?' '+(typeof d._def.labelStyle == "function" ? d._def.labelStyle.call(d):d._def.labelStyle):'') ;
});
thisNode.selectAll(".node_tools").attr("x",function(d){return d.w-35;}).attr("y",function(d){return d.h-20;});
thisNode.selectAll(".node_changed")
.attr("x",function(d){return d.w-10})
.classed("hidden",function(d) { return !d.changed; });
thisNode.selectAll(".node_error")
.attr("x",function(d){return d.w-10-(d.changed?13:0)})
.classed("hidden",function(d) { return d.valid; });
thisNode.selectAll(".port_input").each(function(d,i) {
var port = d3.select(this);
port.attr("y",function(d){return (d.h/2)-5;})
});
thisNode.selectAll(".node_icon").attr("height",function(d){return Math.min(50,d.h);}).attr("y",function(d){return (d.h-Math.min(50,d.h))/2;});
thisNode.selectAll('.node_right_button').attr("transform",function(d){
var x = d.w-6;
if (d._def.button.toggle && !d[d._def.button.toggle]) {
x = x - 8;
}
return "translate("+x+",2)";
});
thisNode.selectAll('.node_right_button rect').attr("fill-opacity",function(d){
if (d._def.button.toggle) {
return d[d._def.button.toggle]?1:0.2;
}
return 1;
});
//thisNode.selectAll('.node_right_button').attr("transform",function(d){return "translate("+(d.w - d._def.button.width.call(d))+","+0+")";}).attr("fill",function(d) {
// return typeof d._def.button.color === "function" ? d._def.button.color.call(d):(d._def.button.color != null ? d._def.button.color : d._def.color)
//});
thisNode.selectAll('.node_badge_group').attr("transform",function(d){return "translate("+(d.w-40)+","+(d.h+3)+")";});
thisNode.selectAll('text.node_badge_label').text(function(d,i) {
if (d._def.badge) {
if (typeof d._def.badge == "function") {
return d._def.badge.call(d);
} else {
return d._def.badge;
}
}
return "";
});
d.dirty = false;
}
});
}
var link = vis.selectAll(".link").data(RED.nodes.links.filter(function(d) { return d.source.z == activeWorkspace && d.target.z == activeWorkspace }));
link.enter().insert("svg:path",".node").attr("class","link")
.on("mousedown",function(d) {
mousedown_link = d;
clearSelection();
selected_link = mousedown_link;
updateSelection();
redraw();
d3.event.stopPropagation();
})
.on("touchstart",function(d) {
mousedown_link = d;
clearSelection();
selected_link = mousedown_link;
updateSelection();
redraw();
d3.event.stopPropagation();
pressTimer = setTimeout(function() { deleteSelection(); }, 1500);
})
.on("touchend",function() { clearTimeout(pressTimer); });
link.exit().remove();
link.attr("d",function(d){
var numOutputs = d.source.outputs || 1;
var sourcePort = d.sourcePort || 0;
var y = -((numOutputs-1)/2)*13 +13*sourcePort;
var dy = d.target.y-(d.source.y+y);
var dx = (d.target.x-d.target.w/2)-(d.source.x+d.source.w/2);
var delta = Math.sqrt(dy*dy+dx*dx);
var scale = lineCurveScale;
var scaleY = 0;
if (delta < node_width) {
scale = 0.75-0.75*((node_width-delta)/node_width);
}
if (dx < 0) {
scale += 2*(Math.min(5*node_width,Math.abs(dx))/(5*node_width));
if (Math.abs(dy) < 3*node_height) {
scaleY = ((dy>0)?0.5:-0.5)*(((3*node_height)-Math.abs(dy))/(3*node_height))*(Math.min(node_width,Math.abs(dx))/(node_width)) ;
}
}
d.x1 = d.source.x+d.source.w/2;
d.y1 = d.source.y+y;
d.x2 = d.target.x-d.target.w/2;
d.y2 = d.target.y;
return "M "+(d.source.x+d.source.w/2)+" "+(d.source.y+y)+
" C "+(d.source.x+d.source.w/2+scale*node_width)+" "+(d.source.y+y+scaleY*node_height)+" "+
(d.target.x-d.target.w/2-scale*node_width)+" "+(d.target.y-scaleY*node_height)+" "+
(d.target.x-d.target.w/2)+" "+d.target.y;
})
link.classed("link_selected", function(d) { return d === selected_link || d.selected; });
link.classed("link_unknown",function(d) { return d.target.type == "unknown" || d.source.type == "unknown"});
if (d3.event) {
d3.event.preventDefault();
}
}
RED.keyboard.add(/* z */ 90,{ctrl:true},function(){RED.history.pop();});
RED.keyboard.add(/* a */ 65,{ctrl:true},function(){selectAll();d3.event.preventDefault();});
RED.keyboard.add(/* = */ 187,{ctrl:true},function(){zoomIn();d3.event.preventDefault();});
RED.keyboard.add(/* - */ 189,{ctrl:true},function(){zoomOut();d3.event.preventDefault();});
RED.keyboard.add(/* 0 */ 48,{ctrl:true},function(){zoomZero();d3.event.preventDefault();});
RED.keyboard.add(/* v */ 86,{ctrl:true},function(){importNodes(clipboard);d3.event.preventDefault();});
RED.keyboard.add(/* e */ 69,{ctrl:true},function(){showExportNodesDialog();d3.event.preventDefault();});
RED.keyboard.add(/* i */ 73,{ctrl:true},function(){showImportNodesDialog();d3.event.preventDefault();});
// TODO: 'dirty' should be a property of RED.nodes - with an event callback for ui hooks
function setDirty(d) {
dirty = d;
if (dirty) {
$("#btn-deploy").removeClass("disabled").addClass("btn-danger");
} else {
$("#btn-deploy").addClass("disabled").removeClass("btn-danger");
}
}
/**
* Imports a new collection of nodes from a JSON String.
* - all get new IDs assigned
* - all 'selected'
* - attached to mouse for placing - 'IMPORT_DRAGGING'
*/
function importNodes(newNodesStr) {
try {
var result = RED.nodes.import(newNodesStr,true);
if (result) {
var new_nodes = result[0];
var new_links = result[1];
var new_ms = new_nodes.map(function(n) { n.z = activeWorkspace; return {n:n};});
var new_node_ids = new_nodes.map(function(n){ return n.id; });
// TODO: pick a more sensible root node
var root_node = new_ms[0].n;
var dx = root_node.x;
var dy = root_node.y;
if (mouse_position == null) {
mouse_position = [0,0];
}
for (var i in new_ms) {
new_ms[i].n.selected = true;
new_ms[i].n.changed = true;
new_ms[i].n.x -= dx - mouse_position[0];
new_ms[i].n.y -= dy - mouse_position[1];
new_ms[i].dx = new_ms[i].n.x - mouse_position[0];
new_ms[i].dy = new_ms[i].n.y - mouse_position[1];
}
mouse_mode = RED.state.IMPORT_DRAGGING;
RED.keyboard.add(/* ESCAPE */ 27,function(){
RED.keyboard.remove(/* ESCAPE */ 27);
clearSelection();
RED.history.pop();
mouse_mode = 0;
});
RED.history.push({t:'add',nodes:new_node_ids,links:new_links,dirty:RED.view.dirty()});
clearSelection();
moving_set = new_ms;
redraw();
}
} catch(error) {
console.log(error);
RED.notify("<strong>Error</strong>: "+error,"error");
}
}
$('#btn-import').click(function() {showImportNodesDialog();});
$('#btn-export-clipboard').click(function() {showExportNodesDialog();});
$('#btn-export-library').click(function() {showExportNodesLibraryDialog();});
function showExportNodesDialog() {
mouse_mode = RED.state.EXPORT;
var nns = RED.nodes.createExportableNodeSet(moving_set);
$("#dialog-form").html($("script[data-template-name='export-clipboard-dialog']").html());
$("#node-input-export").val(JSON.stringify(nns));
$("#node-input-export").focus(function() {
var textarea = $(this);
textarea.select();
textarea.mouseup(function() {
textarea.unbind("mouseup");
return false;
});
});
$( "#dialog" ).dialog("option","title","Export nodes to clipboard").dialog( "open" );
$("#node-input-export").focus();
}
function showExportNodesLibraryDialog() {
mouse_mode = RED.state.EXPORT;
var nns = RED.nodes.createExportableNodeSet(moving_set);
$("#dialog-form").html($("script[data-template-name='export-library-dialog']").html());
$("#node-input-filename").attr('nodes',JSON.stringify(nns));
$( "#dialog" ).dialog("option","title","Export nodes to library").dialog( "open" );
}
function showImportNodesDialog() {
mouse_mode = RED.state.IMPORT;
$("#dialog-form").html($("script[data-template-name='import-dialog']").html());
$("#node-input-import").val("");
$( "#dialog" ).dialog("option","title","Import nodes").dialog( "open" );
}
function showRenameWorkspaceDialog(id) {
var ws = RED.nodes.workspace(id);
$( "#node-dialog-rename-workspace" ).dialog("option","workspace",ws);
if (workspace_tabs.count() == 1) {
$( "#node-dialog-rename-workspace").next().find(".leftButton")
.prop('disabled',true)
.addClass("ui-state-disabled");
} else {
$( "#node-dialog-rename-workspace").next().find(".leftButton")
.prop('disabled',false)
.removeClass("ui-state-disabled");
}
$( "#node-input-workspace-name" ).val(ws.label);
$( "#node-dialog-rename-workspace" ).dialog("open");
}
$("#node-dialog-rename-workspace form" ).submit(function(e) { e.preventDefault();});
$( "#node-dialog-rename-workspace" ).dialog({
modal: true,
autoOpen: false,
width: 500,
title: "Rename sheet",
buttons: [
{
class: 'leftButton',
text: "Delete",
click: function() {
var workspace = $(this).dialog('option','workspace');
$( this ).dialog( "close" );
deleteWorkspace(workspace.id);
}
},
{
text: "Ok",
click: function() {
var workspace = $(this).dialog('option','workspace');
var label = $( "#node-input-workspace-name" ).val();
if (workspace.label != label) {
workspace.label = label;
var link = $("#workspace-tabs a[href='#"+workspace.id+"']");
link.attr("title",label);
link.text(label);
RED.view.dirty(true);
}
$( this ).dialog( "close" );
}
},
{
text: "Cancel",
click: function() {
$( this ).dialog( "close" );
}
}
]
});
$( "#node-dialog-delete-workspace" ).dialog({
modal: true,
autoOpen: false,
width: 500,
title: "Confirm delete",
buttons: [
{
text: "Ok",
click: function() {
var workspace = $(this).dialog('option','workspace');
RED.view.removeWorkspace(workspace);
var historyEvent = RED.nodes.removeWorkspace(workspace.id);
historyEvent.t = 'delete';
historyEvent.dirty = dirty;
historyEvent.workspaces = [workspace];
RED.history.push(historyEvent);
RED.view.dirty(true);
$( this ).dialog( "close" );
}
},
{
text: "Cancel",
click: function() {
$( this ).dialog( "close" );
}
}
]
});
return {
state:function(state) {
if (state == null) {
return mouse_mode
} else {
mouse_mode = state;
}
},
addWorkspace: function(ws) {
workspace_tabs.addTab(ws);
workspace_tabs.resize();
},
removeWorkspace: function(ws) {
workspace_tabs.removeTab(ws.id);
$('#workspace-menu-list a[href="#'+ws.id+'"]').parent().remove();
},
getWorkspace: function() {
return activeWorkspace;
},
setWorkspace: function(z) {
var chart = $("#chart");
if (activeWorkspace != 0) {
workspaceScrollPositions[activeWorkspace] = {
left:chart.scrollLeft(),
top:chart.scrollTop()
};
}
var scrollStartLeft = chart.scrollLeft();
var scrollStartTop = chart.scrollTop();
activeWorkspace = z;
if (workspaceScrollPositions[activeWorkspace]) {
chart.scrollLeft(workspaceScrollPositions[activeWorkspace].left);
chart.scrollTop(workspaceScrollPositions[activeWorkspace].top);
} else {
chart.scrollLeft(0);
chart.scrollTop(0);
}
var scrollDeltaLeft = chart.scrollLeft() - scrollStartLeft;
var scrollDeltaTop = chart.scrollTop() - scrollStartTop;
if (mouse_position != null) {
mouse_position[0] += scrollDeltaLeft;
mouse_position[1] += scrollDeltaTop;
}
clearSelection();
RED.nodes.eachNode(function(n) {
n.dirty = true;
});
redraw();
},
redraw:redraw,
dirty: function(d) {
if (d == null) {
return dirty;
} else {
setDirty(d);
}
},
importNodes: importNodes,
resize: function() {
workspace_tabs.resize();
}
};
}();