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cleanups and bugfixes

development
mcyph 2021-03-26 13:26:24 +11:00
parent 0b51e1da2a
commit 8fe52f4106
8 changed files with 293 additions and 280 deletions
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6
src/mxgraph/handler/mxGraphHandler.js
View File

@ -789,6 +789,10 @@ class mxGraphHandler {
return shape;
}
createGuide() {
return new mxGuide(this.graph, this.getGuideStates());
}
/**
* Function: start
*
@ -809,7 +813,7 @@ class mxGraphHandler {
}
if (this.guidesEnabled) {
this.guide = new mxGuide(this.graph, this.getGuideStates());
this.guide = this.createGuide();
const parent = this.graph.model.getParent(cell);
const ignore = this.graph.model.getChildCount(parent) < 2;

14
src/mxgraph/layout/hierarchical/stage/mxMedianHybridCrossingReduction.js
View File

@ -63,20 +63,6 @@ class mxMedianHybridCrossingReduction extends mxHierarchicalLayoutStage {
*/
function;
/**
* Variable: medianValue
*
* The weighted value of the cell stored.
*/
medianValue = 0;
/**
* Variable: cell
*
* The cell whose median value is being calculated
*/
cell = false;
/**
* Class: mxMedianHybridCrossingReduction
*

2
src/mxgraph/util/mxGuide.js
View File

@ -4,6 +4,8 @@
* Updated to ES9 syntax by David Morrissey 2021
*/
import mxConstants from './mxConstants';
import mxPoint from "./mxPoint";
import mxPolyline from "../shape/mxPolyline";
/**
* Class: mxGuide

267
src/pages/ContextIcons.js
View File

@ -39,82 +39,67 @@ class ContextIcons extends React.Component {
};
componentDidMount = () => {
// Defines a subclass for mxVertexHandler that adds a set of clickable
// icons to every selected vertex.
function mxVertexToolHandler(state) {
mxVertexHandler.apply(this, arguments);
}
class mxVertexToolHandler extends mxVertexHandler {
// Defines a subclass for mxVertexHandler that adds a set of clickable
// icons to every selected vertex.
mxVertexToolHandler.prototype = new mxVertexHandler();
mxVertexToolHandler.prototype.constructor = mxVertexToolHandler;
domNode = null;
mxVertexToolHandler.prototype.domNode = null;
init() {
super.init();
mxVertexToolHandler.prototype.init = function() {
mxVertexHandler.prototype.init.apply(this, arguments);
// In this example we force the use of DIVs for images in IE. This
// handles transparency in PNG images properly in IE and fixes the
// problem that IE routes all mouse events for a gesture via the
// initial IMG node, which means the target vertices
this.domNode = document.createElement('div');
this.domNode.style.position = 'absolute';
this.domNode.style.whiteSpace = 'nowrap';
// In this example we force the use of DIVs for images in IE. This
// handles transparency in PNG images properly in IE and fixes the
// problem that IE routes all mouse events for a gesture via the
// initial IMG node, which means the target vertices
this.domNode = document.createElement('div');
this.domNode.style.position = 'absolute';
this.domNode.style.whiteSpace = 'nowrap';
// Workaround for event redirection via image tag in quirks and IE8
const createImage = src => {
return mxUtils.createImage(src);
};
// Workaround for event redirection via image tag in quirks and IE8
function createImage(src) {
return mxUtils.createImage(src);
}
// Delete
let img = createImage('images/delete2.png');
img.setAttribute('title', 'Delete');
img.style.cursor = 'pointer';
img.style.width = '16px';
img.style.height = '16px';
mxEvent.addGestureListeners(
img,
mxUtils.bind(this, function(evt) {
// Delete
let img = createImage('images/delete2.png');
img.setAttribute('title', 'Delete');
img.style.cursor = 'pointer';
img.style.width = '16px';
img.style.height = '16px';
mxEvent.addGestureListeners(img, evt => {
// Disables dragging the image
mxEvent.consume(evt);
})
);
mxEvent.addListener(
img,
'click',
mxUtils.bind(this, function(evt) {
});
mxEvent.addListener(img, 'click', evt => {
this.graph.removeCells([this.state.cell]);
mxEvent.consume(evt);
})
);
this.domNode.appendChild(img);
});
this.domNode.appendChild(img);
// Size
img = createImage('images/fit_to_size.png');
img.setAttribute('title', 'Resize');
img.style.cursor = 'se-resize';
img.style.width = '16px';
img.style.height = '16px';
mxEvent.addGestureListeners(
img,
mxUtils.bind(this, function(evt) {
// Size
img = createImage('images/fit_to_size.png');
img.setAttribute('title', 'Resize');
img.style.cursor = 'se-resize';
img.style.width = '16px';
img.style.height = '16px';
mxEvent.addGestureListeners(img, evt => {
this.start(mxEvent.getClientX(evt), mxEvent.getClientY(evt), 7);
this.graph.isMouseDown = true;
this.graph.isMouseTrigger = mxEvent.isMouseEvent(evt);
mxEvent.consume(evt);
})
);
this.domNode.appendChild(img);
});
this.domNode.appendChild(img);
// Move
img = createImage('images/plus.png');
img.setAttribute('title', 'Move');
img.style.cursor = 'move';
img.style.width = '16px';
img.style.height = '16px';
mxEvent.addGestureListeners(
img,
mxUtils.bind(this, function(evt) {
// Move
img = createImage('images/plus.png');
img.setAttribute('title', 'Move');
img.style.cursor = 'move';
img.style.width = '16px';
img.style.height = '16px';
mxEvent.addGestureListeners(img, evt => {
this.graph.graphHandler.start(
this.state.cell,
mxEvent.getClientX(evt),
@ -124,19 +109,17 @@ class ContextIcons extends React.Component {
this.graph.isMouseDown = true;
this.graph.isMouseTrigger = mxEvent.isMouseEvent(evt);
mxEvent.consume(evt);
})
);
this.domNode.appendChild(img);
});
this.domNode.appendChild(img);
// Connect
img = createImage('images/check.png');
img.setAttribute('title', 'Connect');
img.style.cursor = 'pointer';
img.style.width = '16px';
img.style.height = '16px';
mxEvent.addGestureListeners(
img,
mxUtils.bind(this, function(evt) {
// Connect
img = createImage('images/check.png');
img.setAttribute('title', 'Connect');
img.style.cursor = 'pointer';
img.style.width = '16px';
img.style.height = '16px';
mxEvent.addGestureListeners(img, evt => {
const pt = mxUtils.convertPoint(
this.graph.container,
mxEvent.getClientX(evt),
@ -146,89 +129,81 @@ class ContextIcons extends React.Component {
this.graph.isMouseDown = true;
this.graph.isMouseTrigger = mxEvent.isMouseEvent(evt);
mxEvent.consume(evt);
})
);
this.domNode.appendChild(img);
});
this.domNode.appendChild(img);
this.graph.container.appendChild(this.domNode);
this.redrawTools();
};
mxVertexToolHandler.prototype.redraw = function() {
mxVertexHandler.prototype.redraw.apply(this);
this.redrawTools();
};
mxVertexToolHandler.prototype.redrawTools = function() {
if (this.state != null && this.domNode != null) {
const dy = 4;
this.domNode.style.left = `${this.state.x + this.state.width - 56}px`;
this.domNode.style.top = `${this.state.y + this.state.height + dy}px`;
this.graph.container.appendChild(this.domNode);
this.redrawTools();
}
};
mxVertexToolHandler.prototype.destroy = function(sender, me) {
mxVertexHandler.prototype.destroy.apply(this, arguments);
if (this.domNode != null) {
this.domNode.parentNode.removeChild(this.domNode);
this.domNode = null;
redraw() {
super.redraw();
this.redrawTools();
}
};
// Program starts here. Creates a sample graph in the
// DOM node with the specified ID. This function is invoked
// from the onLoad event handler of the document (see below).
function main(container) {
// Checks if the browser is supported
if (!mxClient.isBrowserSupported()) {
// Displays an error message if the browser is not supported.
mxUtils.error('Browser is not supported!', 200, false);
} else {
// Creates the graph inside the given container
const graph = new mxGraph(container);
graph.setConnectable(true);
graph.connectionHandler.createTarget = true;
redrawTools() {
if (this.state != null && this.domNode != null) {
const dy = 4;
this.domNode.style.left = `${this.state.x + this.state.width - 56}px`;
this.domNode.style.top = `${this.state.y + this.state.height + dy}px`;
}
}
graph.createHandler = function(state) {
if (state != null && this.model.isVertex(state.cell)) {
return new mxVertexToolHandler(state);
}
destroy(sender, me) {
super.destroy(sender, me);
return mxGraph.prototype.createHandler.apply(this, arguments);
};
// Uncomment the following if you want the container
// to fit the size of the graph
// graph.setResizeContainer(true);
// Enables rubberband selection
new mxRubberband(graph);
// Gets the default parent for inserting new cells. This
// is normally the first child of the root (ie. layer 0).
const parent = graph.getDefaultParent();
// Adds cells to the model in a single step
graph.getModel().beginUpdate();
try {
const v1 = graph.insertVertex(parent, null, 'Hello,', 20, 20, 80, 30);
const v2 = graph.insertVertex(
parent,
null,
'World!',
200,
150,
80,
30
);
const e1 = graph.insertEdge(parent, null, '', v1, v2);
} finally {
// Updates the display
graph.getModel().endUpdate();
if (this.domNode != null) {
this.domNode.parentNode.removeChild(this.domNode);
this.domNode = null;
}
}
}
class MyCustomGraph extends mxGraph {
createHandler(state) {
if (state != null && this.model.isVertex(state.cell)) {
return new mxVertexToolHandler(state);
}
return super.createHandler(state);
}
}
// Creates the graph inside the given container
const graph = new MyCustomGraph(this.el);
graph.setConnectable(true);
graph.connectionHandler.createTarget = true;
// Uncomment the following if you want the container
// to fit the size of the graph
// graph.setResizeContainer(true);
// Enables rubberband selection
new mxRubberband(graph);
// Gets the default parent for inserting new cells. This
// is normally the first child of the root (ie. layer 0).
const parent = graph.getDefaultParent();
// Adds cells to the model in a single step
graph.batchUpdate(() => {
const v1 = graph.insertVertex({
parent,
value: 'Hello,',
position: [20, 20],
size: [80, 30],
});
const v2 = graph.insertVertex({
parent,
value: 'World!',
position: [200, 150],
size: [80, 30],
});
const e1 = graph.insertEdge({
parent,
source: v1,
target: v2,
});
});
};
}

24
src/pages/Control.js
View File

@ -162,9 +162,23 @@ class Control extends React.Component {
// Adds cells to the model in a single step
graph.getModel().beginUpdate();
try {
const v1 = graph.insertVertex(parent, null, 'Hello,', 20, 20, 80, 30);
const v2 = graph.insertVertex(parent, null, 'World!', 200, 150, 80, 30);
const e1 = graph.insertEdge(parent, null, '', v1, v2);
const v1 = graph.insertVertex({
parent,
value: 'Hello,',
position: [20, 20],
size: [80, 30],
});
const v2 = graph.insertVertex({
parent,
value: 'World!',
position: [200, 150],
size: [80, 30],
});
const e1 = graph.insertEdge({
parent,
source: v1,
target: v2,
});
} finally {
// Updates the display
graph.getModel().endUpdate();
@ -173,13 +187,13 @@ class Control extends React.Component {
graph.centerZoom = false;
this.el2.appendChild(
mxUtils.button('Zoom In', function() {
mxUtils.button('Zoom In', () => {
graph.zoomIn();
})
);
this.el2.appendChild(
mxUtils.button('Zoom Out', function() {
mxUtils.button('Zoom Out', () => {
graph.zoomOut();
})
);

82
src/pages/DragSource.js
View File

@ -38,16 +38,36 @@ class DragSource extends React.Component {
};
componentDidMount = () => {
// Enables guides
mxGraphHandler.prototype.guidesEnabled = true;
class MyCustomGuide extends mxGuide {
isEnabledForEvent(evt) {
// Alt disables guides
return !mxEvent.isAltDown(evt);
}
}
// Alt disables guides
mxGuide.prototype.isEnabledForEvent = function(evt) {
return !mxEvent.isAltDown(evt);
};
class MyCustomGraphHandler extends mxGraphHandler {
// Enables guides
guidesEnabled = true;
// Enables snapping waypoints to terminals
mxEdgeHandler.prototype.snapToTerminals = true;
createGuide() {
return new MyCustomGuide(this.graph, this.getGuideStates());
}
}
class MyCustomEdgeHandler extends mxEdgeHandler {
// Enables snapping waypoints to terminals
snapToTerminals = true;
}
class MyCustomGraph extends mxGraph {
createGraphHandler() {
return new MyCustomGraphHandler(this);
}
createEdgeHandler(state, edgeStyle) {
return new MyCustomEdgeHandler(state, edgeStyle);
}
}
const graphs = [];
@ -63,7 +83,7 @@ class DragSource extends React.Component {
this.el.appendChild(container);
var graph = new mxGraph(container);
const graph = new MyCustomGraph(container);
graph.gridSize = 30;
// Uncomment the following if you want the container
@ -78,28 +98,38 @@ class DragSource extends React.Component {
const parent = graph.getDefaultParent();
// Adds cells to the model in a single step
graph.getModel().beginUpdate();
try {
const v1 = graph.insertVertex(parent, null, 'Hello,', 20, 20, 80, 30);
const v2 = graph.insertVertex(parent, null, 'World!', 200, 150, 80, 30);
const e1 = graph.insertEdge(parent, null, '', v1, v2);
} finally {
// Updates the display
graph.getModel().endUpdate();
}
graph.batchUpdate(() => {
const v1 = graph.insertVertex({
parent,
value: 'Hello,',
position: [20, 20],
size: [80, 30],
});
const v2 = graph.insertVertex({
parent,
value: 'World!',
position: [200, 150],
size: [80, 30],
});
const e1 = graph.insertEdge({
parent,
source: v1,
target: v2,
});
});
graphs.push(graph);
}
// Returns the graph under the mouse
const graphF = function(evt) {
const graphF = evt => {
const x = mxEvent.getClientX(evt);
const y = mxEvent.getClientY(evt);
const elt = document.elementFromPoint(x, y);
for (let i = 0; i < graphs.length; i++) {
if (mxUtils.isAncestorNode(graphs[i].container, elt)) {
return graphs[i];
for (const graph of graphs) {
if (mxUtils.isAncestorNode(graph.container, elt)) {
return graph;
}
}
@ -107,7 +137,7 @@ class DragSource extends React.Component {
};
// Inserts a cell at the given location
const funct = function(graph, evt, target, x, y) {
const funct = (graph, evt, target, x, y) => {
const cell = new mxCell('Test', new mxGeometry(0, 0, 120, 40));
cell.vertex = true;
const cells = graph.importCells([cell], x, y, target);
@ -141,14 +171,14 @@ class DragSource extends React.Component {
dragElt,
null,
null,
graph.autoscroll,
graphs[0].autoscroll,
true
);
// Redirects feature to global switch. Note that this feature should only be used
// if the the x and y arguments are used in funct to insert the cell.
ds.isGuidesEnabled = function() {
return graph.graphHandler.guidesEnabled;
ds.isGuidesEnabled = () => {
return graphs[0].graphHandler.guidesEnabled;
};
// Restores original drag icon while outside of graph

40
src/pages/Overlays.js
View File

@ -53,7 +53,7 @@ class Overlays extends React.Component {
// Installs a handler for click events in the graph
// that toggles the overlay for the respective cell
graph.addListener(mxEvent.CLICK, function(sender, evt) {
graph.addListener(mxEvent.CLICK, (sender, evt) => {
const cell = evt.getProperty('cell');
if (cell != null) {
@ -67,7 +67,7 @@ class Overlays extends React.Component {
);
// Installs a handler for clicks on the overlay
overlay.addListener(mxEvent.CLICK, function(sender, evt2) {
overlay.addListener(mxEvent.CLICK, (sender, evt2) => {
mxUtils.alert('Overlay clicked');
});
@ -81,7 +81,7 @@ class Overlays extends React.Component {
// Installs a handler for double click events in the graph
// that shows an alert box
graph.addListener(mxEvent.DOUBLE_CLICK, function(sender, evt) {
graph.addListener(mxEvent.DOUBLE_CLICK, (sender, evt) => {
const cell = evt.getProperty('cell');
mxUtils.alert(`Doubleclick: ${cell != null ? 'Cell' : 'Graph'}`);
evt.consume();
@ -92,23 +92,25 @@ class Overlays extends React.Component {
const parent = graph.getDefaultParent();
// Adds cells to the model in a single step
graph.getModel().beginUpdate();
try {
const v1 = graph.insertVertex(parent, null, 'Click,', 20, 20, 60, 40);
const v2 = graph.insertVertex(
graph.batchUpdate(() => {
const v1 = graph.insertVertex({
parent,
null,
'Doubleclick',
200,
150,
100,
40
);
const e1 = graph.insertEdge(parent, null, '', v1, v2);
} finally {
// Updates the display
graph.getModel().endUpdate();
}
value: 'Click,',
position: [20, 20],
size: [60, 40],
});
const v2 = graph.insertVertex({
parent,
value: 'Doubleclick',
position: [200, 150],
size: [100, 40],
});
const e1 = graph.insertEdge({
parent,
source: v1,
target: v2,
});
});
}
}

138
src/pages/examplesListing.json
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