upgrade
This commit is contained in:
579
main/inc/lib/javascript/svgedit/extensions/ext-markers.js
Normal file
579
main/inc/lib/javascript/svgedit/extensions/ext-markers.js
Normal file
@@ -0,0 +1,579 @@
|
||||
/*globals svgEditor, svgCanvas, $*/
|
||||
/*jslint vars: true, eqeq: true, todo: true */
|
||||
/*
|
||||
* ext-markers.js
|
||||
*
|
||||
* Licensed under the Apache License, Version 2
|
||||
*
|
||||
* Copyright(c) 2010 Will Schleter
|
||||
* based on ext-arrows.js by Copyright(c) 2010 Alexis Deveria
|
||||
*
|
||||
* This extension provides for the addition of markers to the either end
|
||||
* or the middle of a line, polyline, path, polygon.
|
||||
*
|
||||
* Markers may be either a graphic or arbitary text
|
||||
*
|
||||
* to simplify the coding and make the implementation as robust as possible,
|
||||
* markers are not shared - every object has its own set of markers.
|
||||
* this relationship is maintained by a naming convention between the
|
||||
* ids of the markers and the ids of the object
|
||||
*
|
||||
* The following restrictions exist for simplicty of use and programming
|
||||
* objects and their markers to have the same color
|
||||
* marker size is fixed
|
||||
* text marker font, size, and attributes are fixed
|
||||
* an application specific attribute - se_type - is added to each marker element
|
||||
* to store the type of marker
|
||||
*
|
||||
* TODO:
|
||||
* remove some of the restrictions above
|
||||
* add option for keeping text aligned to horizontal
|
||||
* add support for dimension extension lines
|
||||
*
|
||||
*/
|
||||
|
||||
svgEditor.addExtension("Markers", function(S) {
|
||||
var // svgcontent = S.svgcontent,
|
||||
addElem = S.addSvgElementFromJson,
|
||||
selElems;
|
||||
|
||||
var mtypes = ['start','mid','end'];
|
||||
|
||||
var marker_prefix = 'se_marker_';
|
||||
var id_prefix = 'mkr_';
|
||||
|
||||
// note - to add additional marker types add them below with a unique id
|
||||
// and add the associated icon(s) to marker-icons.svg
|
||||
// the geometry is normallized to a 100x100 box with the origin at lower left
|
||||
// Safari did not like negative values for low left of viewBox
|
||||
// remember that the coordinate system has +y downward
|
||||
var marker_types = {
|
||||
nomarker: {},
|
||||
leftarrow:
|
||||
{element:'path', attr:{d:'M0,50 L100,90 L70,50 L100,10 Z'}},
|
||||
rightarrow:
|
||||
{element:'path', attr:{d:'M100,50 L0,90 L30,50 L0,10 Z'}},
|
||||
textmarker:
|
||||
{element:'text', attr: {x:0, y:0,'stroke-width':0,'stroke':'none','font-size':75,'font-family':'serif','text-anchor':'left',
|
||||
'xml:space': 'preserve'}},
|
||||
forwardslash:
|
||||
{element:'path', attr:{d:'M30,100 L70,0'}},
|
||||
reverseslash:
|
||||
{element:'path', attr:{d:'M30,0 L70,100'}},
|
||||
verticalslash:
|
||||
{element:'path', attr:{d:'M50,0 L50,100'}},
|
||||
box:
|
||||
{element:'path', attr:{d:'M20,20 L20,80 L80,80 L80,20 Z'}},
|
||||
star:
|
||||
{element:'path', attr:{d:'M10,30 L90,30 L20,90 L50,10 L80,90 Z'}},
|
||||
xmark:
|
||||
{element:'path', attr:{d:'M20,80 L80,20 M80,80 L20,20'}},
|
||||
triangle:
|
||||
{element:'path', attr:{d:'M10,80 L50,20 L80,80 Z'}},
|
||||
mcircle:
|
||||
{element:'circle', attr:{r:30, cx:50, cy:50}}
|
||||
};
|
||||
|
||||
|
||||
var lang_list = {
|
||||
"en":[
|
||||
{id: "start_marker_list", title: "Select start marker type" },
|
||||
{id: "mid_marker_list", title: "Select mid marker type" },
|
||||
{id: "end_marker_list", title: "Select end marker type" },
|
||||
{id: "nomarker", title: "No Marker" },
|
||||
{id: "leftarrow", title: "Left Arrow" },
|
||||
{id: "rightarrow", title: "Right Arrow" },
|
||||
{id: "textmarker", title: "Text Marker" },
|
||||
{id: "forwardslash", title: "Forward Slash" },
|
||||
{id: "reverseslash", title: "Reverse Slash" },
|
||||
{id: "verticalslash", title: "Vertical Slash" },
|
||||
{id: "box", title: "Box" },
|
||||
{id: "star", title: "Star" },
|
||||
{id: "xmark", title: "X" },
|
||||
{id: "triangle", title: "Triangle" },
|
||||
{id: "mcircle", title: "Circle" },
|
||||
{id: "leftarrow_o", title: "Open Left Arrow" },
|
||||
{id: "rightarrow_o", title: "Open Right Arrow" },
|
||||
{id: "box_o", title: "Open Box" },
|
||||
{id: "star_o", title: "Open Star" },
|
||||
{id: "triangle_o", title: "Open Triangle" },
|
||||
{id: "mcircle_o", title: "Open Circle" }
|
||||
]
|
||||
};
|
||||
|
||||
|
||||
// duplicate shapes to support unfilled (open) marker types with an _o suffix
|
||||
$.each(['leftarrow','rightarrow','box','star','mcircle','triangle'],function(i,v) {
|
||||
marker_types[v+'_o'] = marker_types[v];
|
||||
});
|
||||
|
||||
// elem = a graphic element will have an attribute like marker-start
|
||||
// attr - marker-start, marker-mid, or marker-end
|
||||
// returns the marker element that is linked to the graphic element
|
||||
function getLinked(elem, attr) {
|
||||
var str = elem.getAttribute(attr);
|
||||
if(!str) {return null;}
|
||||
var m = str.match(/\(\#(.*)\)/);
|
||||
if(!m || m.length !== 2) {
|
||||
return null;
|
||||
}
|
||||
return S.getElem(m[1]);
|
||||
}
|
||||
|
||||
function setIcon(pos,id) {
|
||||
if (id.substr(0,1) !== '\\') {id = '\\textmarker';}
|
||||
var ci = '#'+id_prefix+pos+'_'+id.substr(1);
|
||||
svgEditor.setIcon('#cur_' + pos +'_marker_list', $(ci).children());
|
||||
$(ci).addClass('current').siblings().removeClass('current');
|
||||
}
|
||||
|
||||
// toggles context tool panel off/on
|
||||
//sets the controls with the selected element's settings
|
||||
function showPanel(on) {
|
||||
$('#marker_panel').toggle(on);
|
||||
|
||||
if(on) {
|
||||
var el = selElems[0];
|
||||
var val;
|
||||
var ci;
|
||||
|
||||
$.each(mtypes, function(i, pos) {
|
||||
var m = getLinked(el, "marker-" + pos);
|
||||
var txtbox = $('#' + pos + '_marker');
|
||||
if (!m) {
|
||||
val = '\\nomarker';
|
||||
ci = val;
|
||||
txtbox.hide(); // hide text box
|
||||
} else {
|
||||
if (!m.attributes.se_type) {return;} // not created by this extension
|
||||
val = '\\' + m.attributes.se_type.textContent;
|
||||
ci = val;
|
||||
if (val === '\\textmarker') {
|
||||
val = m.lastChild.textContent;
|
||||
//txtbox.show(); // show text box
|
||||
} else {
|
||||
txtbox.hide(); // hide text box
|
||||
}
|
||||
}
|
||||
txtbox.val(val);
|
||||
setIcon(pos,ci);
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
function addMarker(id, val) {
|
||||
var txt_box_bg = '#ffffff';
|
||||
var txt_box_border = 'none';
|
||||
var txt_box_stroke_width = 0;
|
||||
|
||||
var marker = S.getElem(id);
|
||||
|
||||
if (marker) {return;}
|
||||
|
||||
if (val == '' || val == '\\nomarker') {return;}
|
||||
|
||||
var el = selElems[0];
|
||||
var color = el.getAttribute('stroke');
|
||||
//NOTE: Safari didn't like a negative value in viewBox
|
||||
//so we use a standardized 0 0 100 100
|
||||
//with 50 50 being mapped to the marker position
|
||||
var refX = 50;
|
||||
var refY = 50;
|
||||
var viewBox = "0 0 100 100";
|
||||
var markerWidth = 5;
|
||||
var markerHeight = 5;
|
||||
var strokeWidth = 10;
|
||||
var se_type;
|
||||
if (val.substr(0,1) === '\\') {se_type = val.substr(1);}
|
||||
else {se_type = 'textmarker';}
|
||||
|
||||
if (!marker_types[se_type]) {return;} // an unknown type!
|
||||
|
||||
// create a generic marker
|
||||
marker = addElem({
|
||||
"element": "marker",
|
||||
"attr": {
|
||||
"id": id,
|
||||
"markerUnits": "strokeWidth",
|
||||
"orient": "auto",
|
||||
"style": "pointer-events:none",
|
||||
"se_type": se_type
|
||||
}
|
||||
});
|
||||
|
||||
if (se_type != 'textmarker') {
|
||||
var mel = addElem(marker_types[se_type]);
|
||||
var fillcolor = color;
|
||||
if (se_type.substr(-2) === '_o') {fillcolor = 'none';}
|
||||
mel.setAttribute('fill', fillcolor);
|
||||
mel.setAttribute('stroke', color);
|
||||
mel.setAttribute('stroke-width', strokeWidth);
|
||||
marker.appendChild(mel);
|
||||
} else {
|
||||
var text = addElem(marker_types[se_type]);
|
||||
// have to add text to get bounding box
|
||||
text.textContent = val;
|
||||
var tb = text.getBBox();
|
||||
//alert( tb.x + " " + tb.y + " " + tb.width + " " + tb.height);
|
||||
var pad = 1;
|
||||
var bb = tb;
|
||||
bb.x = 0;
|
||||
bb.y = 0;
|
||||
bb.width += pad*2;
|
||||
bb.height += pad*2;
|
||||
// shift text according to its size
|
||||
text.setAttribute('x', pad);
|
||||
text.setAttribute('y', bb.height - pad - tb.height/4); // kludge?
|
||||
text.setAttribute('fill',color);
|
||||
refX = bb.width/2 + pad;
|
||||
refY = bb.height/2 + pad;
|
||||
viewBox = bb.x + " " + bb.y + " " + bb.width + " " + bb.height;
|
||||
markerWidth = bb.width/10;
|
||||
markerHeight = bb.height/10;
|
||||
|
||||
var box = addElem({
|
||||
"element": "rect",
|
||||
"attr": {
|
||||
"x": bb.x,
|
||||
"y": bb.y,
|
||||
"width": bb.width,
|
||||
"height": bb.height,
|
||||
"fill": txt_box_bg,
|
||||
"stroke": txt_box_border,
|
||||
"stroke-width": txt_box_stroke_width
|
||||
}
|
||||
});
|
||||
marker.setAttribute("orient",0);
|
||||
marker.appendChild(box);
|
||||
marker.appendChild(text);
|
||||
}
|
||||
|
||||
marker.setAttribute("viewBox",viewBox);
|
||||
marker.setAttribute("markerWidth", markerWidth);
|
||||
marker.setAttribute("markerHeight", markerHeight);
|
||||
marker.setAttribute("refX", refX);
|
||||
marker.setAttribute("refY", refY);
|
||||
S.findDefs().appendChild(marker);
|
||||
|
||||
return marker;
|
||||
}
|
||||
|
||||
function convertline(elem) {
|
||||
// this routine came from the connectors extension
|
||||
// it is needed because midpoint markers don't work with line elements
|
||||
if (!(elem.tagName === 'line')) {return elem;}
|
||||
|
||||
// Convert to polyline to accept mid-arrow
|
||||
|
||||
var x1 = Number(elem.getAttribute('x1'));
|
||||
var x2 = Number(elem.getAttribute('x2'));
|
||||
var y1 = Number(elem.getAttribute('y1'));
|
||||
var y2 = Number(elem.getAttribute('y2'));
|
||||
var id = elem.id;
|
||||
|
||||
var mid_pt = (' '+((x1+x2)/2)+','+((y1+y2)/2) + ' ');
|
||||
var pline = addElem({
|
||||
"element": "polyline",
|
||||
"attr": {
|
||||
"points": (x1+','+y1+ mid_pt +x2+','+y2),
|
||||
"stroke": elem.getAttribute('stroke'),
|
||||
"stroke-width": elem.getAttribute('stroke-width'),
|
||||
"fill": "none",
|
||||
"opacity": elem.getAttribute('opacity') || 1
|
||||
}
|
||||
});
|
||||
$.each(mtypes, function(i, pos) { // get any existing marker definitions
|
||||
var nam = 'marker-'+pos;
|
||||
var m = elem.getAttribute(nam);
|
||||
if (m) {pline.setAttribute(nam,elem.getAttribute(nam));}
|
||||
});
|
||||
|
||||
var batchCmd = new S.BatchCommand();
|
||||
batchCmd.addSubCommand(new S.RemoveElementCommand(elem, elem.parentNode));
|
||||
batchCmd.addSubCommand(new S.InsertElementCommand(pline));
|
||||
|
||||
$(elem).after(pline).remove();
|
||||
svgCanvas.clearSelection();
|
||||
pline.id = id;
|
||||
svgCanvas.addToSelection([pline]);
|
||||
S.addCommandToHistory(batchCmd);
|
||||
return pline;
|
||||
}
|
||||
|
||||
function setMarker() {
|
||||
var poslist={'start_marker':'start','mid_marker':'mid','end_marker':'end'};
|
||||
var pos = poslist[this.id];
|
||||
var marker_name = 'marker-'+pos;
|
||||
var val = this.value;
|
||||
var el = selElems[0];
|
||||
var marker = getLinked(el, marker_name);
|
||||
if (marker) {$(marker).remove();}
|
||||
el.removeAttribute(marker_name);
|
||||
if (val == '') {val = '\\nomarker';}
|
||||
if (val == '\\nomarker') {
|
||||
setIcon(pos,val);
|
||||
S.call("changed", selElems);
|
||||
return;
|
||||
}
|
||||
// Set marker on element
|
||||
var id = marker_prefix + pos + '_' + el.id;
|
||||
addMarker(id, val);
|
||||
svgCanvas.changeSelectedAttribute(marker_name, "url(#" + id + ")");
|
||||
if (el.tagName === 'line' && pos == 'mid') {el = convertline(el);}
|
||||
S.call("changed", selElems);
|
||||
setIcon(pos,val);
|
||||
}
|
||||
|
||||
// called when the main system modifies an object
|
||||
// this routine changes the associated markers to be the same color
|
||||
function colorChanged(elem) {
|
||||
var color = elem.getAttribute('stroke');
|
||||
|
||||
$.each(mtypes, function(i, pos) {
|
||||
var marker = getLinked(elem, 'marker-'+pos);
|
||||
if (!marker) {return;}
|
||||
if (!marker.attributes.se_type) {return;} // not created by this extension
|
||||
var ch = marker.lastElementChild;
|
||||
if (!ch) {return;}
|
||||
var curfill = ch.getAttribute('fill');
|
||||
var curstroke = ch.getAttribute('stroke');
|
||||
if (curfill && curfill != 'none') {ch.setAttribute('fill', color);}
|
||||
if (curstroke && curstroke != 'none') {ch.setAttribute('stroke', color);}
|
||||
});
|
||||
}
|
||||
|
||||
// called when the main system creates or modifies an object
|
||||
// primary purpose is create new markers for cloned objects
|
||||
function updateReferences(el) {
|
||||
$.each(mtypes, function (i, pos) {
|
||||
var id = marker_prefix + pos + '_' + el.id;
|
||||
var marker_name = 'marker-'+pos;
|
||||
var marker = getLinked(el, marker_name);
|
||||
if (!marker || !marker.attributes.se_type) {return;} // not created by this extension
|
||||
var url = el.getAttribute(marker_name);
|
||||
if (url) {
|
||||
var len = el.id.length;
|
||||
var linkid = url.substr(-len-1, len);
|
||||
if (el.id != linkid) {
|
||||
var val = $('#'+pos + '_marker').attr('value');
|
||||
addMarker(id, val);
|
||||
svgCanvas.changeSelectedAttribute(marker_name, "url(#" + id + ")");
|
||||
if (el.tagName === 'line' && pos == 'mid') {el = convertline(el);}
|
||||
S.call("changed", selElems);
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
// simulate a change event a text box that stores the current element's marker type
|
||||
function triggerTextEntry(pos, val) {
|
||||
$('#'+pos+'_marker').val(val);
|
||||
$('#'+pos+'_marker').change();
|
||||
// var txtbox = $('#'+pos+'_marker');
|
||||
// if (val.substr(0,1)=='\\') {txtbox.hide();}
|
||||
// else {txtbox.show();}
|
||||
}
|
||||
|
||||
function showTextPrompt(pos) {
|
||||
var def = $('#'+pos+'_marker').val();
|
||||
if (def.substr(0,1) === '\\') {def = '';}
|
||||
$.prompt('Enter text for ' + pos + ' marker', def , function(txt) {
|
||||
if (txt) {triggerTextEntry(pos, txt);}
|
||||
});
|
||||
}
|
||||
|
||||
/*
|
||||
function setMarkerSet(obj) {
|
||||
var parts = this.id.split('_');
|
||||
var set = parts[2];
|
||||
switch (set) {
|
||||
case 'off':
|
||||
triggerTextEntry('start','\\nomarker');
|
||||
triggerTextEntry('mid','\\nomarker');
|
||||
triggerTextEntry('end','\\nomarker');
|
||||
break;
|
||||
case 'dimension':
|
||||
triggerTextEntry('start','\\leftarrow');
|
||||
triggerTextEntry('end','\\rightarrow');
|
||||
showTextPrompt('mid');
|
||||
break;
|
||||
case 'label':
|
||||
triggerTextEntry('mid','\\nomarker');
|
||||
triggerTextEntry('end','\\rightarrow');
|
||||
showTextPrompt('start');
|
||||
break;
|
||||
}
|
||||
}
|
||||
*/
|
||||
// callback function for a toolbar button click
|
||||
function setArrowFromButton(obj) {
|
||||
|
||||
var parts = this.id.split('_');
|
||||
var pos = parts[1];
|
||||
var val = parts[2];
|
||||
if (parts[3]) { val += '_' + parts[3];}
|
||||
|
||||
if (val != 'textmarker') {
|
||||
triggerTextEntry(pos, '\\'+val);
|
||||
} else {
|
||||
showTextPrompt(pos);
|
||||
}
|
||||
}
|
||||
|
||||
function getTitle(lang, id) {
|
||||
var i, list = lang_list[lang];
|
||||
for (i in list) {
|
||||
if (list.hasOwnProperty(i) && list[i].id == id) {
|
||||
return list[i].title;
|
||||
}
|
||||
}
|
||||
return id;
|
||||
}
|
||||
|
||||
|
||||
// build the toolbar button array from the marker definitions
|
||||
// TODO: need to incorporate language specific titles
|
||||
function buildButtonList() {
|
||||
var buttons=[];
|
||||
// var i = 0;
|
||||
/*
|
||||
buttons.push({
|
||||
id:id_prefix + 'markers_off',
|
||||
title:'Turn off all markers',
|
||||
type:'context',
|
||||
events: { 'click': setMarkerSet },
|
||||
panel: 'marker_panel'
|
||||
});
|
||||
buttons.push({
|
||||
id:id_prefix + 'markers_dimension',
|
||||
title:'Dimension',
|
||||
type:'context',
|
||||
events: { 'click': setMarkerSet },
|
||||
panel: 'marker_panel'
|
||||
});
|
||||
buttons.push({
|
||||
id:id_prefix + 'markers_label',
|
||||
title:'Label',
|
||||
type:'context',
|
||||
events: { 'click': setMarkerSet },
|
||||
panel: 'marker_panel'
|
||||
});
|
||||
*/
|
||||
$.each(mtypes, function (k, pos) {
|
||||
var listname = pos + "_marker_list";
|
||||
var def = true;
|
||||
$.each(marker_types, function (id, v) {
|
||||
var title = getTitle('en', id);
|
||||
buttons.push({
|
||||
id: id_prefix + pos + '_' + id,
|
||||
svgicon: id,
|
||||
title: title,
|
||||
type: 'context',
|
||||
events: {'click': setArrowFromButton},
|
||||
panel: 'marker_panel',
|
||||
list: listname,
|
||||
isDefault: def
|
||||
});
|
||||
def = false;
|
||||
});
|
||||
});
|
||||
return buttons;
|
||||
}
|
||||
|
||||
return {
|
||||
name: "Markers",
|
||||
svgicons: svgEditor.curConfig.extPath + "markers-icons.xml",
|
||||
buttons: buildButtonList(),
|
||||
context_tools: [
|
||||
{
|
||||
type: "input",
|
||||
panel: "marker_panel",
|
||||
title: "Start marker",
|
||||
id: "start_marker",
|
||||
label: "s",
|
||||
size: 3,
|
||||
events: { change: setMarker }
|
||||
},{
|
||||
type: "button-select",
|
||||
panel: "marker_panel",
|
||||
title: getTitle('en', 'start_marker_list'),
|
||||
id: "start_marker_list",
|
||||
colnum: 3,
|
||||
events: { change: setArrowFromButton }
|
||||
},{
|
||||
type: "input",
|
||||
panel: "marker_panel",
|
||||
title: "Middle marker",
|
||||
id: "mid_marker",
|
||||
label: "m",
|
||||
defval: "",
|
||||
size: 3,
|
||||
events: { change: setMarker }
|
||||
},{
|
||||
type: "button-select",
|
||||
panel: "marker_panel",
|
||||
title: getTitle('en', 'mid_marker_list'),
|
||||
id: "mid_marker_list",
|
||||
colnum: 3,
|
||||
events: { change: setArrowFromButton }
|
||||
},{
|
||||
type: "input",
|
||||
panel: "marker_panel",
|
||||
title: "End marker",
|
||||
id: "end_marker",
|
||||
label: "e",
|
||||
size: 3,
|
||||
events: { change: setMarker }
|
||||
},{
|
||||
type: "button-select",
|
||||
panel: "marker_panel",
|
||||
title: getTitle('en', 'end_marker_list'),
|
||||
id: "end_marker_list",
|
||||
colnum: 3,
|
||||
events: { change: setArrowFromButton }
|
||||
} ],
|
||||
callback: function() {
|
||||
$('#marker_panel').addClass('toolset').hide();
|
||||
|
||||
},
|
||||
addLangData: function(lang) {
|
||||
return { data: lang_list[lang] };
|
||||
},
|
||||
|
||||
selectedChanged: function(opts) {
|
||||
// Use this to update the current selected elements
|
||||
//console.log('selectChanged',opts);
|
||||
selElems = opts.elems;
|
||||
|
||||
var i = selElems.length;
|
||||
var marker_elems = ['line','path','polyline','polygon'];
|
||||
|
||||
while(i--) {
|
||||
var elem = selElems[i];
|
||||
if(elem && $.inArray(elem.tagName, marker_elems) !== -1) {
|
||||
if (opts.selectedElement && !opts.multiselected) {
|
||||
showPanel(true);
|
||||
} else {
|
||||
showPanel(false);
|
||||
}
|
||||
} else {
|
||||
showPanel(false);
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
elementChanged: function(opts) {
|
||||
//console.log('elementChanged',opts);
|
||||
var elem = opts.elems[0];
|
||||
if (elem && (
|
||||
elem.getAttribute("marker-start") ||
|
||||
elem.getAttribute("marker-mid") ||
|
||||
elem.getAttribute("marker-end")
|
||||
)) {
|
||||
colorChanged(elem);
|
||||
updateReferences(elem);
|
||||
}
|
||||
// changing_flag = false; // Not apparently in use
|
||||
}
|
||||
};
|
||||
});
|
||||
Reference in New Issue
Block a user