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loleaflet: select long touched object before triggering the context menu

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for selecting text we need to simulate a double click, anyway for a
graphic object a single click is enough, while a double click can lead
to switch to edit mode (not only for an embedded ole object, even for
entering text inside a shape);
a similar problem regards spreadsheet cell: a single click moves the
cell cursor, while a double click enables text input;
in order to avoid these cases, we send a single click and wait for a
few milliseconds before checking if we received a possible selection
message; if no such message is received we simulate a double click for
trying to select text and finally, in any case, we trigger the context
menu by sending a right click;

Change-Id: I16722b5f1208b9bb22c613a8417c9c34ac310033
This commit is contained in:
Marco Cecchetti 2019-10-19 18:33:22 +02:00
parent 5ce03e8d1b
commit 115264c765
1 changed files with 61 additions and 4 deletions
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65
loleaflet/src/map/handler/Map.TouchGesture.js
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@ -198,6 +198,9 @@ L.Map.TouchGesture = L.Handler.extend({
this._map.fire('closepopups');
var that = this;
var docLayer = this._map._docLayer;
if (window.ThisIsTheiOSApp) {
// console.log('==> ' + e.timeStamp);
if (!this._toolbar._map && this._map._docLayer.containsSelection(latlng)) {
@ -214,10 +217,64 @@ L.Map.TouchGesture = L.Handler.extend({
this._map._docLayer._postMouseEvent('buttonup', mousePos.x, mousePos.y, 1, 4, 0);
}
} else {
this._map._contextMenu._onMouseDown({originalEvent: e.srcEvent});
// send right click to trigger context menus
this._map._docLayer._postMouseEvent('buttondown', mousePos.x, mousePos.y, 1, 4, 0);
this._map._docLayer._postMouseEvent('buttonup', mousePos.x, mousePos.y, 1, 4, 0);
var singleClick = function () {
docLayer._postMouseEvent('buttondown', mousePos.x, mousePos.y, 1, 1, 0);
docLayer._postMouseEvent('buttonup', mousePos.x, mousePos.y, 1, 1, 0);
};
var doubleClick = function () {
docLayer._postMouseEvent('buttondown', mousePos.x, mousePos.y, 2, 1, 0);
docLayer._postMouseEvent('buttonup', mousePos.x, mousePos.y, 2, 1, 0);
};
var rightClick = function () {
docLayer._postMouseEvent('buttondown', mousePos.x, mousePos.y, 1, 4, 0);
docLayer._postMouseEvent('buttonup', mousePos.x, mousePos.y, 1, 4, 0);
};
var waitForSelectionMsg = function () {
// check new selection if any
var graphicSelection = docLayer._graphicSelection;
var cellCursor = docLayer._cellCursor;
if ((!graphicSelection || !graphicSelection.contains(latlng))
&& (!cellCursor || !cellCursor.contains(latlng))) {
// try to select text
doubleClick();
}
// send right click to trigger context menus
that._map._contextMenu._onMouseDown({originalEvent: e.srcEvent});
rightClick();
};
// we want to select the long touched object before triggering the context menu;
// for selecting text we need to simulate a double click, anyway for a graphic object
// a single click is enough, while a double click can lead to switch to edit mode
// (not only for an embedded ole object, even for entering text inside a shape);
// a similar problem regards spreadsheet cell: a single click moves the cell cursor,
// while a double click enables text input;
// in order to avoid these cases, we send a single click and wait for a few milliseconds
// before checking if we received a possible selection message; if no such message is received
// we simulate a double click for trying to select text and finally, in any case,
// we trigger the context menu by sending a right click
var graphicSelection = docLayer._graphicSelection;
var cellCursor = docLayer._cellCursor;
var textSelection;
if (docLayer._textSelectionStart && docLayer._textSelectionEnd)
textSelection = new L.LatLngBounds(docLayer._textSelectionStart.getSouthWest(), docLayer._textSelectionEnd.getNorthEast());
if ((textSelection && textSelection.contains(latlng))
|| (graphicSelection && graphicSelection.contains(latlng))
|| (cellCursor && cellCursor.contains(latlng))) {
// long touched an already selected object
// send right click to trigger context menus
this._map._contextMenu._onMouseDown({originalEvent: e.srcEvent});
rightClick();
}
else {
// try to select a graphic object or move the cell cursor
singleClick();
setTimeout(waitForSelectionMsg, 300);
}
}
this._map.notifyActive();