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fix(graph): Fix so that zoom works even when no data exists, fixes #5570

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This commit is contained in:
Torkel Ödegaard
2016-07-13 10:02:53 +02:00
parent cc5c45112a
commit 82eebf64b6
1 changed files with 22 additions and 13 deletions
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35
public/vendor/flot/jquery.flot.selection.js vendored
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@@ -94,11 +94,11 @@ The plugin allso adds the following methods to the plot object:
var savedhandlers = {};
var mouseUpHandler = null;
function onMouseMove(e) {
if (selection.active) {
updateSelection(e);
plot.getPlaceholder().trigger("plotselecting", [ getSelection() ]);
}
}
@@ -106,7 +106,7 @@ The plugin allso adds the following methods to the plot object:
function onMouseDown(e) {
if (e.which != 1) // only accept left-click
return;
// cancel out any text selections
document.body.focus();
@@ -127,13 +127,13 @@ The plugin allso adds the following methods to the plot object:
// this is a bit silly, but we have to use a closure to be
// able to whack the same handler again
mouseUpHandler = function (e) { onMouseUp(e); };
$(document).one("mouseup", mouseUpHandler);
}
function onMouseUp(e) {
mouseUpHandler = null;
// revert drag stuff for old-school browsers
if (document.onselectstart !== undefined)
document.onselectstart = savedhandlers.onselectstart;
@@ -158,13 +158,22 @@ The plugin allso adds the following methods to the plot object:
function getSelection() {
if (!selectionIsSane())
return null;
if (!selection.show) return null;
var r = {}, c1 = selection.first, c2 = selection.second;
$.each(plot.getAxes(), function (name, axis) {
if (axis.used) {
var p1 = axis.c2p(c1[axis.direction]), p2 = axis.c2p(c2[axis.direction]);
var axes = plot.getAxes();
// look if no axis is used
var noAxisInUse = true;
$.each(axes, function (name, axis) {
if (axis.used) {
anyUsed = false;
}
})
$.each(axes, function (name, axis) {
if (axis.used || noAxisInUse) {
var p1 = axis.c2p(c1[axis.direction]), p2 = axis.c2p(c2[axis.direction]);
r[name] = { from: Math.min(p1, p2), to: Math.max(p1, p2) };
}
});
@@ -252,10 +261,10 @@ The plugin allso adds the following methods to the plot object:
from = to;
to = tmp;
}
return { from: from, to: to, axis: axis };
}
function setSelection(ranges, preventEvent) {
var axis, range, o = plot.getOptions();
@@ -333,11 +342,11 @@ The plugin allso adds the following methods to the plot object:
ctx.restore();
}
});
plot.hooks.shutdown.push(function (plot, eventHolder) {
eventHolder.unbind("mousemove", onMouseMove);
eventHolder.unbind("mousedown", onMouseDown);
if (mouseUpHandler)
$(document).unbind("mouseup", mouseUpHandler);
});