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Merge pull request #8301 from juleengraham/zoom_function

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Zoom reset feature
This commit is contained in:
Martin Cech
2019-07-18 15:06:48 -04:00
committed by GitHub
parent 354b73a141 19c5fac23b
commit 0a51ea326b
1 changed files with 23 additions and 6 deletions
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client/galaxy/scripts/mvc/workflow/workflow-canvas.js
+23 -6
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@@ -74,7 +74,7 @@ class ScrollPanel {
}
// Zoom levels to use for zooming the workflow canvas
const zoomLevels = [0.25, 0.33, 0.5, 0.67, 0.75, 0.8, 0.9, 1, 1.1, 1.25, 1.5, 1.75, 2, 2.5, 3, 4];
const zoomLevels = [0.25, 0.33, 0.5, 0.67, 0.75, 0.8, 0.9, 1, 1.1, 1.25, 1.33, 1.5, 2, 2.5, 3, 4];
// Default zoome level (1)
const defaultZoomLevel = 7;
@@ -97,7 +97,7 @@ class CanvasManager {
this.init_copy_paste();
}
setZoom(zoomLevel) {
this.zoomLevel = Math.min(Math.max(0, zoomLevel), zoomLevels.length);
this.zoomLevel = Math.min(Math.max(0, zoomLevel), zoomLevels.length-1);
this.canvasZoom = zoomLevels[this.zoomLevel];
// Set CSS transform to appropriate zoom level
this.cv.css("transform-origin", "top left");
@@ -109,16 +109,33 @@ class CanvasManager {
this.app.workflow.fit_canvas_to_nodes();
}
initZoomControls() {
var zoomControl = $('<div class="btn-group-vertical"/>').css({
var zoomControl = $('<div class="btn-group-horizontal"/>').css({
position: "absolute",
left: "1rem",
bottom: "1rem"
bottom: "1rem",
cursor: "pointer"
});
const zoomButton = $(`<a class="btn btn-light" title="Reset Zoom Level">${zoomLevels[defaultZoomLevel] * 100}%</a>`).css({
width: "4rem"
});
zoomControl.append(
$('<div class="btn btn-secondary fa fa-plus"/>').click(() => this.setZoom(this.zoomLevel + 1))
$('<a class="btn btn-secondary fa fa-minus"/>').click(() => {
this.setZoom(this.zoomLevel - 1);
zoomButton.text(Math.floor(zoomLevels[this.zoomLevel] * 100) + '%');
})
);
zoomControl.append(
$('<div class="btn btn-secondary fa fa-minus"/>').click(() => this.setZoom(this.zoomLevel - 1))
zoomButton.click(() => {
this.setZoom(defaultZoomLevel);
zoomButton.text(Math.floor(zoomLevels[this.zoomLevel] * 100) + '%');
})
);
zoomControl.append(
$('<a class="btn btn-secondary fa fa-plus"/>').click(() => {
this.setZoom(this.zoomLevel + 1);
zoomButton.text(Math.floor(zoomLevels[this.zoomLevel] * 100) + '%');
})
);
this.cv.closest("#workflow-canvas-body").append(zoomControl);
}