Using Javascript to drag a window based on its components

Question

Using Javascript to drag a window based on its components

, I am faced with an interesting dilemma. After constructing a Windows application utilizing TideSDK with HTML, CSS, and Javascript, the decision was made to eliminate its title bar in order to achieve a more widget-like appearance. However, this removal has inadvertently caused me to lose the ability to drag the window as one normally would. I turned towards the TideSDK documentation for guidance, which indicated that post-title bar disappearance, it is possible to drag the window using its contents through the utilization of javascript. Despite this information, my attempts at implementing this technique have proven to be unsuccessful thus far. So I find myself here seeking assistance - how can I effectively drag the window utilizing javascript while selecting its components (specifically tiles within my case)? My search across various platforms including Google has yielded unsatisfactory results, leaving me without any tutorials or code to guide me through this perplexing issue. The current state of my App is displayed below:

javascript html css tidesdk

Answer 1

Answer №1

I have developed a versatile function in JavaScript for enabling dragging functionality:

function setDragOfElementOnAnother ($draggableElement, $draggedElememnt, allowDragPredicate) {
    var stopDragFunction = function() {

        $draggedElememnt.data("drag", false);
        $draggedElememnt.removeData("startPoint");

        $("html, body").unbind("mouseup.drag");
        $("html, body").unbind("mousemove.drag");
    };
    var dragFunction = function(e) {
        if (!parseBoolean($draggedElememnt.data("drag")))
            return;

        var begin = $draggedElememnt.data("startPoint");

        $draggedElememnt.css({ left: e.clientX - begin.x, top: e.clientY - begin.y     });
    };

    $draggableElement.mousedown(function(e) {

        if ((e.clientX - $(this).offset().left < 0 || $(this).offset().left +     $(this).width() < e.clientX) ||
            e.clientY - $(this).offset().top < 0)
            return;

        if (allowDragPredicate && !allowDragPredicate(e))
            return;

        $draggedElememnt.data("drag", true);
        $draggedElememnt.data("startPoint", Point(e.clientX - $(this).offset().left, e.clientY - $(this).offset().top));

        $("html, body").bind("mouseup.drag", stopDragFunction);
        $("html, body").bind("mousemove.drag", dragFunction);
    });

    $draggableElement.mouseup(stopDragFunction);
    $draggableElement.mousemove(dragFunction);

}

This method is utilized to implement dragging of one element with the use of another.
Requirements: (1) The dragged element must have a position that is either fixed or absolute (relative may also work). (2) jQuery.

By setting both dragged and draggable elements as the same, clicking on the element and moving the mouse will initiate dragging.

The 'allowDragPredicate' parameter is optional and enables the creation of boundaries.

UPDATE: Additionally include the following code snippet:

function Point(xVal, yVal) {

    if (xVal === undefined) {
        xVal = 0;
    }
    if (yVal === undefined) {
        yVal = 0;
    }
    return {
        x: xVal,
        y: yVal
    };
}

UPDATE 2: And:

function parseBoolean(str) {
    if (str === true)
        return true;
    if (str)
        return /^true$/i.test(str);
    return false;
}

UPDATE 3: Additionally, included a straightforward jsFiddle demonstration.

Answer 2

I have developed a versatile function in JavaScript for enabling dragging functionality:

function setDragOfElementOnAnother ($draggableElement, $draggedElememnt, allowDragPredicate) {
    var stopDragFunction = function() {

        $draggedElememnt.data("drag", false);
        $draggedElememnt.removeData("startPoint");

        $("html, body").unbind("mouseup.drag");
        $("html, body").unbind("mousemove.drag");
    };
    var dragFunction = function(e) {
        if (!parseBoolean($draggedElememnt.data("drag")))
            return;

        var begin = $draggedElememnt.data("startPoint");

        $draggedElememnt.css({ left: e.clientX - begin.x, top: e.clientY - begin.y     });
    };

    $draggableElement.mousedown(function(e) {

        if ((e.clientX - $(this).offset().left < 0 || $(this).offset().left +     $(this).width() < e.clientX) ||
            e.clientY - $(this).offset().top < 0)
            return;

        if (allowDragPredicate && !allowDragPredicate(e))
            return;

        $draggedElememnt.data("drag", true);
        $draggedElememnt.data("startPoint", Point(e.clientX - $(this).offset().left, e.clientY - $(this).offset().top));

        $("html, body").bind("mouseup.drag", stopDragFunction);
        $("html, body").bind("mousemove.drag", dragFunction);
    });

    $draggableElement.mouseup(stopDragFunction);
    $draggableElement.mousemove(dragFunction);

}

This method is utilized to implement dragging of one element with the use of another.
Requirements: (1) The dragged element must have a position that is either fixed or absolute (relative may also work). (2) jQuery.

By setting both dragged and draggable elements as the same, clicking on the element and moving the mouse will initiate dragging.

The 'allowDragPredicate' parameter is optional and enables the creation of boundaries.

UPDATE: Additionally include the following code snippet:

function Point(xVal, yVal) {

    if (xVal === undefined) {
        xVal = 0;
    }
    if (yVal === undefined) {
        yVal = 0;
    }
    return {
        x: xVal,
        y: yVal
    };
}

UPDATE 2: And:

function parseBoolean(str) {
    if (str === true)
        return true;
    if (str)
        return /^true$/i.test(str);
    return false;
}

UPDATE 3: Additionally, included a straightforward jsFiddle demonstration.

Using Javascript to drag a window based on its components

Answer №1

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